US1041367A - Chimney-mold. - Google Patents

Chimney-mold. Download PDF

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US1041367A
US1041367A US67330412A US1912673304A US1041367A US 1041367 A US1041367 A US 1041367A US 67330412 A US67330412 A US 67330412A US 1912673304 A US1912673304 A US 1912673304A US 1041367 A US1041367 A US 1041367A
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casing
chimney
hangers
band
section
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Martin Stieler
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • B28B7/0014Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/0017Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps for attaching mould walls on mould tables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/126Silo mold

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  • a chimney of the type which will be constructed by the use of the. herein-described invention will be provided with inner and outer walls'sepa-rated by an air space, and both the outer and inner walls will taper gradually toward the top.
  • the chimney is adapted to be built'in sections or units and the top of each unit'will be slightly less in diameter than the bottom.
  • the centralflue may or may not taper, though it is preferable, of course, that the flue be tapered as well as the exterior.
  • Figure 1 is a view of the mold partly in elevation and partly in section;
  • Fig. 2 is a top plan view thereof,
  • Fig. 3 is a view similar to Fig. 1,
  • FIG. 4 is a view similar to Fig. 1, the outer parts being broken away so as to show the innermost part of the mold;
  • Fig. 5 is a top plan view of the casings, the spider being removed;
  • Fig. 6 is a sectional view of the devices placed between the casings whichform the air space;
  • Figs. 7, 8, 9, 10, 11, and 12 are detail views of sundryfeatures of the invention.
  • the walls of the chimney are formed by pouring cement or concrete into the spaces between the outer shell or casing 1 and the inner casing 2, thus forming the outer wall of the chimney; and by pouring cement between the outer casing 3 and the inner cas-- ing 4 to form theinner wall of the chimney.
  • the air space 5 is the space between the members 2 and 3.
  • the exterior surface of the chimney is that surface which directly comes into contact with the outer form or casing 1, while the inner surface of the flue is the surface which directly engages the form 4.
  • Each ofs'aid members 1, 2, 3, and 4, when ready for use, is in the shape of. a truncated cone and the four casing members are assembled together so that they have a certain limits.
  • Said casing l is formed of sheet metal of suitable thickness and is of approximately the same height as each section or unit of the chimney to be built.
  • Said casing 1 preferably-comprises a single. piece of metal which extends uninterruptedly throughout the greater part of the circumference of the chimney to be formed, but since the chimney is to be tapering, it is obvious thatany casing 1 must be larger in diameter when it is used to formthe bottom section of the chimney than when it is used to form the top section.
  • the casing 1 is provided with a plurality of removable sections 6 which are secured by bolts 7 and straps 8 to the main part of the casing l or to each other, and by removing or inserting a section or sections 6, the circumference of.theentire member 1 can be altered as desired, within Each of said members 6 is slightly wider at the bottom than at the top.
  • the casings 2, 3, and 4 are provided with similar removable sections as clearly shown in Figs. 2-a nd 5 of the drawings.
  • I beams are riveted, which said I beams are disposed vertically of said casing and serve to brace said members 1 and prevent bending or yielding thereof.
  • Said I beams 9 are secured by bolts 10 to the casing 1 and the outwardly projecting flange 11 of each I beam is perforated at 12, through which perforations the clamping rods 13 are adapted to pass.
  • Said rods are screw-threaded at their ends 14, which ends are screwed within nuts 15 secured to the outer surface of the member 1 and preferably'to the main body portion thereof; hence, if the right-hand rod 13 be drawn toward the left-hand rod 13 (Fig. 1),
  • each of the rods 13 carries a link 16 pivoted at the end of the rod and the links 16 of each pair are connected together by a lever 17 pivoted to each link 16.
  • levers 17 When said levers 17 are moved from the position shown in full lines in Figs. 1 and 3 to the position shown in dotted lines in said figures, it is obvious that the rods 13 are drawn together and the casing 1 tightened accordingly, just as driving or drawing a hoop tightens a barrel.
  • the shell or casing 4 carries I beams 18 which are vertically disposed and fixed upon the inner surface of said casing 4. Said I beams 18 are perforated and rods 19 secured ,by nuts 20 to said beams 18 pass through the perforations.
  • the rods 18 can be moved by the operation oflevers 21 and links 22, and when said levers 21 and links 22 are moved to the position shown by the dotted lines in Fig. 4, the circumference of the casing 4 can be increased, whereas when. said levers and links are in the fullline position, the parts comprising the casing 4 are tightly bound and clamped together.
  • hooplike bands or braces 23 are provided (see Fig. 6).
  • Sliding beams 24 connected by links 25 and levers 26 are placed in the space between said members 2 and 3 and bear against the hoop-like braces 23 and when these parts are in the position shown in full lines, Fig. 6, the casings 2 and 3 are pushed apart and braced against each other (see Figs. 4 and 5).
  • the apparatus is so constructed that each band 23 upon the casing- 2 is opposite to a band 23 upon the casing 3, and the links 25 will be in alinement with the respective bands; and in this way the bracing effectof the links 25 is in a direct horizontal line.
  • a spider or diaphragm is provided (see Fig. 2) containing a central member 27, preferably circular in sha e, which carries an upright flange 28, to WhlCll flange 28 rods' 29 are fixed, the outer ends of said rods bemg firmly united together by a circular member 30.
  • Each rod 29 carries hangers 31 whlch depend downwardly and can be clamped at any desired point by bolts 32.
  • a yoke 33 is pivotally connected by bolt 34 to each hanger 31 and a screw 35 passes through each member 33 and is adapted to bear against the outer surface .of easing 1.
  • the outer casing 1, adjacent its upper end, carries a hoop or band 36 which is secured to the said casing 1 by bolts.
  • flange 43 being adapted to overlap the top of the casing 1 which is forming the section immediately below.
  • the inner casing 4- is provided near its upper end with a band 44, which is supported upon the inner wall of easing 4 by bolts 45 and blocks 46. At its lower end the casing 4 carries band 47 ,bolt 48, and blocks 49, the arrangement for supporting the bands 44 and 47 being identical with the arrangement for supporting band 36, except for the fact that band 36 is on the outerwall of the outer casing and bands 44 and 47 areon the imler wall of the inner casing.
  • Yokes 50 each provided with a screw 51 passing through lug 52, grasp band 44, while similar yokes 53 grasp yokes 50 and 47, yokes 50 and 53 being of the same shape and con-' struction as yoke 33 (Fig. 10).
  • the yokes 50 are carried upon hangers 54, which can be clamped by bolts 55 to the. arm 29, and, in this manner, the inner casing 4 can-be moved toward or away from the center of the chimney.
  • the inner casing 3 beats a. flange 56 at its lower end similar to the flange 43 upon casing 1.
  • T e casing members2 and 3 by which the air space between the inner and outer walls is formed, bear'reinforcing bands 57 at their upper ends.
  • Hangers 58 provided with perforations 59, can be secured by bolts 60 to members 2 and 3, and said hangers 58 support said casings from the spider.
  • the recesses 61 will receive rod 29 and the hangers 8 can be clamped thereupon by the bolts 62 which, when tightened, will hold the casings 2 and 3 in any desired position upon the spider, said casings 2 and 3 being kept spaced apart by the construction most specifically shown in Fig. 6 of the drawings.
  • the yokes 53 which grasp the band 47 are bolted at 64 to hangers 65, which said hangers are slidably mounted upon the crossarms 66 of the triangular bracing-frames 67 which depend from arm 29, being bolted to said arm by balls 68, the object of this construction being to brace the lower part of easing 4 so that same will not bend inwardly under the weight and pressure of the concrete before the same has set.
  • the various casing members 1, 2, 3, and 4 are each adapted to be supported from above by the spider composed of the members 27, 28, 29, and 30, and each of the casing walls 1, 2, 3, and 4 can be moved toward or away from the center of said spider according to the position in which, the various supporting means are bolted. or clamped.
  • the casing and spider are assembled together and a plumb-bob dropped from the center. of the spider which is then adjusted so that said plumb-bob strikes the center of the chimney to be built.
  • casing members 1 and 4 other than those which were used for forming the first section, are secured to the spider and the casing members 2 and 3 are again fastened to the spider but in a slightly different position from the position in which said members were placedchimney willoverlap the upper edge of the casing 1 which formed the first section, which lower casing is left in place while the second. section of the chimney is being poured, and the screw 35 is tightened so as to bear against flange 43, and thus produce a thoroughly tight joint at the point where the upper casing 1 and the lower easing 1 come together.
  • a new section or sections 6 of the proper size can then be substituted and the particular members 1 and 4, which were first used for forming the lowest section, can then be set above the particular members 1 and 4 which were used for forming the second section, and those particular members 1 and 4, which formed the first section, can be used for forming the third section.
  • the casings which are used to form the second section are allowed to remain in place while the third section is being formed and then are removed and used to form the fourth section, and so on until the chimney is completed.
  • Each of the hangers 31, 54, and 65 is constructed as shown in Figs. 7 and 8, 2'. 6., made of two pieces secured together by bolts 32 which clamp the hanger tightly to the arm 29 (or 66) which is secured within perforation 70, the bolts which secure said hangers to their respective yokes being passed through perforation 71.
  • Locking devices 72 are employed to hold the levers 17 in place when the casing is tightened.
  • a device of the character described the combination of a shell or casing, a band or hoop secured thereto and spaced apart therefrom, means adapted to engage said band, and means adapted to engage said last-mentioned 'means, thereby to support the casing.
  • a device of the character described the combination of a casing, a hoop-like member secured thereto and spaced apart therefrom, a yoke engaging said hoop-like member and adapted to grasp the same, and means adapted to engage said yoke, thereby to support the casing.
  • a device of the character described the combination of a'casing, a band secured thereto and spaced apart therefrom, a yoke engaging said band, "a spider adapted to support the' casing, a hanger supported by said spider, and bolts connecting said hanger to said yoke.
  • a device of the character described the combination of a casing, a band secured thereto and spaced apart therefrom, yokes which grasp the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider, and means connecting said hangers to said spider.
  • a device of the character described the combination of a casing, a band secured thereto and spaced apart therefrom, yokes which grasp'the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider comprising a central member and an outer member, and radialarms intermediate said central member, said hangers being slidably mounted upon said arms.
  • a device of the character described the combination of a casing, a band secured thereto andspaced apart therefrom, yokes which grasp the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider comprising a central. member and an outer member, and radial arms intermediate said central member, said hangers being slidably mounted upon said arms, bolts being provided to clamp said hangers upon said arms.

Description

M. STIELER.
CHIMNEY MOLD. APPLICATION FILED JAN. 25' 1912.
1,041,367. Patented Oct. 15,1912.
3 SHEETS-SHEET 1 M; STIELER.
CHIMNEY MOLD.
APPLICATION FILED JAN.25. 1912.
1,041,367u Patented 0011.15, 1912.
3 SHEETS-SHEET 2.
I l l I llll W H Ll [i] ll luM M. STIELER.
CHIMNEY MOLD.
APPLIUATION FILED JAN.25, 1912'.
Patented Oct. 15, 1912.
3 SHEBTSSHEET 3.
Mam 7w? WW Ar raw/m1 omrnn ermine PATENT orric.
MARTIN s'rrnLEn, or cHIoAe 'ILLInoIsf CHIMNEY-MOLD.
Specification of Letters Patent.
Patented Oct. 15, 1912.
Application filed January 25, 1912. Serial No. 673,304. i
vide a mold to be used for the purpose of,
making tapering concrete chimneys. v
A chimney of the type which will be constructed by the use of the. herein-described invention, will be provided with inner and outer walls'sepa-rated by an air space, and both the outer and inner walls will taper gradually toward the top. .The chimney is adapted to be built'in sections or units and the top of each unit'will be slightly less in diameter than the bottom. The centralflue may or may not taper, though it is preferable, of course, that the flue be tapered as well as the exterior.
In the drawings, Figure 1 is a view of the mold partly in elevation and partly in section; Fig. 2 is a top plan view thereof,
showing the spider or framework by which the shell or casings are supported and adjusted; Fig. 3 is a view similar to Fig. 1,
showing two molds as the same are used for making two adjoining units or sections of the chimney; Fig. 4 is a view similar to Fig. 1, the outer parts being broken away so as to show the innermost part of the mold; Fig. 5 is a top plan view of the casings, the spider being removed; Fig. 6 is a sectional view of the devices placed between the casings whichform the air space; and
Figs. 7, 8, 9, 10, 11, and 12 are detail views of sundryfeatures of the invention.
The walls of the chimney are formed by pouring cement or concrete into the spaces between the outer shell or casing 1 and the inner casing 2, thus forming the outer wall of the chimney; and by pouring cement between the outer casing 3 and the inner cas-- ing 4 to form theinner wall of the chimney. The air space 5 is the space between the members 2 and 3. The exterior surface of the chimney is that surface which directly comes into contact with the outer form or casing 1, while the inner surface of the flue is the surface which directly engages the form 4. Each ofs'aid members 1, 2, 3, and 4, when ready for use, is in the shape of. a truncated cone and the four casing members are assembled together so that they have a certain limits.
common axis. Inasmuch as the degree of taper desired in any chimney is usually very slight,the members 1, 2, 3, and 4, strictly speaking, are each conical, but they approach very closely to being cylindrical in shape. The construction of certain features of the casing member 1 will be described somewhat-in detail, but it should be understood that each of the other casings 2, 3, and 4, is the-same as the outer member 1 so far as concerns the construction described in the next succeeding paragraph hereof.
Said casing l is formed of sheet metal of suitable thickness and is of approximately the same height as each section or unit of the chimney to be built. Said casing 1 preferably-comprises a single. piece of metal which extends uninterruptedly throughout the greater part of the circumference of the chimney to be formed, but since the chimney is to be tapering, it is obvious thatany casing 1 must be larger in diameter when it is used to formthe bottom section of the chimney than when it is used to form the top section. The casing 1 is provided with a plurality of removable sections 6 which are secured by bolts 7 and straps 8 to the main part of the casing l or to each other, and by removing or inserting a section or sections 6, the circumference of.theentire member 1 can be altered as desired, within Each of said members 6 is slightly wider at the bottom than at the top. The casings 2, 3, and 4, are provided with similar removable sections as clearly shown in Figs. 2-a nd 5 of the drawings.
At various intervals upon the outer surface of the casing 1, I beams are riveted, which said I beams are disposed vertically of said casing and serve to brace said members 1 and prevent bending or yielding thereof. Said I beams 9 are secured by bolts 10 to the casing 1 and the outwardly projecting flange 11 of each I beam is perforated at 12, through which perforations the clamping rods 13 are adapted to pass. Said rods are screw-threaded at their ends 14, which ends are screwed within nuts 15 secured to the outer surface of the member 1 and preferably'to the main body portion thereof; hence, if the right-hand rod 13 be drawn toward the left-hand rod 13 (Fig. 1),
the circumference of the outer casing 1 will be decreased and the various members comprising the same pressed tightly together, whereas if the rod 13 be permitted to move in the reverse direction, the circumference of 'sald caslng 1 can be increased andthe casing loosened. Each of the rods 13 carries a link 16 pivoted at the end of the rod and the links 16 of each pair are connected together by a lever 17 pivoted to each link 16. When said levers 17 are moved from the position shown in full lines in Figs. 1 and 3 to the position shown in dotted lines in said figures, it is obvious that the rods 13 are drawn together and the casing 1 tightened accordingly, just as driving or drawing a hoop tightens a barrel.
The shell or casing 4 carries I beams 18 which are vertically disposed and fixed upon the inner surface of said casing 4. Said I beams 18 are perforated and rods 19 secured ,by nuts 20 to said beams 18 pass through the perforations. The rods 18 can be moved by the operation oflevers 21 and links 22, and when said levers 21 and links 22 are moved to the position shown by the dotted lines in Fig. 4, the circumference of the casing 4 can be increased, whereas when. said levers and links are in the fullline position, the parts comprising the casing 4 are tightly bound and clamped together.
Upon the outer surface of casing 3 and upon the inner surface-of casing 2, hooplike bands or braces 23 are provided (see Fig. 6). Sliding beams 24 connected by links 25 and levers 26 are placed in the space between said members 2 and 3 and bear against the hoop-like braces 23 and when these parts are in the position shown in full lines, Fig. 6, the casings 2 and 3 are pushed apart and braced against each other (see Figs. 4 and 5). The apparatus is so constructed that each band 23 upon the casing- 2 is opposite to a band 23 upon the casing 3, and the links 25 will be in alinement with the respective bands; and in this way the bracing effectof the links 25 is in a direct horizontal line. When the cement or concrete is being poured to form the chimney, it will, obviously, engage the right-hand surface of the caslng 3 and the left-hand surface of the casing 2 (Fig. 6) and tend to force said casings together, but said two cas-' ings will be braced apart by theacti on of the parts 24, 25, and 26 and thus the. air
space 5 will be left'between the casings 2 and 3.
A spider or diaphragm is provided (see Fig. 2) containing a central member 27, preferably circular in sha e, which carries an upright flange 28, to WhlCll flange 28 rods' 29 are fixed, the outer ends of said rods bemg firmly united together by a circular member 30. Each rod 29 carries hangers 31 whlch depend downwardly and can be clamped at any desired point by bolts 32. A yoke 33 is pivotally connected by bolt 34 to each hanger 31 and a screw 35 passes through each member 33 and is adapted to bear against the outer surface .of easing 1. The outer casing 1, adjacent its upper end, carries a hoop or band 36 which is secured to the said casing 1 by bolts. 37, the heads of which are countersunk on the inner surface of thecasing. Blocks 38 through which said bolts pass keep the hoop 36'spaced apart from the outer surface of the casing. The yokes 33 are provided with notches or recesses 39 in which said band 36 is received (see Fig. 10) and the screws 35 pass through the lugs 40, which are integral with said members 33. The upper ends of the I beams 9 have the outwardly-extending flanges -11 removed and the blocks 39 rest against the flat surface of the I beams. When the ce- 'ment is being poured to form the chimney,
all of the casings 1, 2, 3 and 4 are suspended from the spider composed of the members 27 28,29, and 30. The various hangers 31 which slide back and forth upon arms 29, are fixed so as to cause the yokes 33 to hold the hoop or band 36 in such position that the top of casing 1 forms a true circle. At its bottom the casing 1 is flanged at 43, the
flange 43 being adapted to overlap the top of the casing 1 which is forming the section immediately below.
The inner casing 4- is provided near its upper end with a band 44, which is supported upon the inner wall of easing 4 by bolts 45 and blocks 46. At its lower end the casing 4 carries band 47 ,bolt 48, and blocks 49, the arrangement for supporting the bands 44 and 47 being identical with the arrangement for supporting band 36, except for the fact that band 36 is on the outerwall of the outer casing and bands 44 and 47 areon the imler wall of the inner casing. Yokes 50, each provided with a screw 51 passing through lug 52, grasp band 44, while similar yokes 53 grasp yokes 50 and 47, yokes 50 and 53 being of the same shape and con-' struction as yoke 33 (Fig. 10). The yokes 50 are carried upon hangers 54, which can be clamped by bolts 55 to the. arm 29, and, in this manner, the inner casing 4 can-be moved toward or away from the center of the chimney. The inner casing 3 beats a. flange 56 at its lower end similar to the flange 43 upon casing 1.
T e casing members2 and 3 by which the air space between the inner and outer walls is formed, bear'reinforcing bands 57 at their upper ends. Hangers 58, provided with perforations 59, can be secured by bolts 60 to members 2 and 3, and said hangers 58 support said casings from the spider. The recesses 61 will receive rod 29 and the hangers 8 can be clamped thereupon by the bolts 62 which, when tightened, will hold the casings 2 and 3 in any desired position upon the spider, said casings 2 and 3 being kept spaced apart by the construction most specifically shown in Fig. 6 of the drawings.
The yokes 53 which grasp the band 47 are bolted at 64 to hangers 65, which said hangers are slidably mounted upon the crossarms 66 of the triangular bracing-frames 67 which depend from arm 29, being bolted to said arm by balls 68, the object of this construction being to brace the lower part of easing 4 so that same will not bend inwardly under the weight and pressure of the concrete before the same has set.
As will be evident from the foregoing description of parts, the various casing members 1, 2, 3, and 4 are each adapted to be supported from above by the spider composed of the members 27, 28, 29, and 30, and each of the casing walls 1, 2, 3, and 4 can be moved toward or away from the center of said spider according to the position in which, the various supporting means are bolted. or clamped. When the first or bottom section of the chimney is to be formed, the casing and spider are assembled together and a plumb-bob dropped from the center. of the spider which is then adjusted so that said plumb-bob strikes the center of the chimney to be built. The various casing members 1, 2, 3, and 4 are then placed so that the bottom edge of each rests upon the foundation, describing a circle the circumference of which corresponds withthe bottom edges of the two practically concentric walls which are to compose the finished chimney. Cement or concrete is then poured into the spaces between the casing members 1 and 2' and 3 and 4, and the inner and outer walls of the first section of the chimney will be formed in this manner. When the concrete comprising the first section has set, the spider or framework composed of the members 27, 28, 29, and 30, is detached from the casing walls by removing all of the bolts 34,
63, and 64, thus freeing each of the yokes 33 50, and 53 from their respective hangers,
" and entirely disconnecting the casings 1 and 4 from the spider. By lifting the levers 26 to the dotted line position (Fig. 6) the easings 2 and 3 are released and can easily be lifted out of the air space, either detached from or still attached to the spider, as may be desired. Casings 1 and 4, however, are
. allowed to remain in place even after the spider and the casings 2 and 3 have been removed, said casings 1 and 4 remaining clamped in position upon the lower section or unit of the chimney until such time as the second section of the chimney has been poured and has had time to set.
In orderto prepare for moldingthe second section or unit of the chimney, casing members 1 and 4, other than those which were used for forming the first section, are secured to the spider and the casing members 2 and 3 are again fastened to the spider but in a slightly different position from the position in which said members were placedchimney willoverlap the upper edge of the casing 1 which formed the first section, which lower casing is left in place while the second. section of the chimney is being poured, and the screw 35 is tightened so as to bear against flange 43, and thus produce a thoroughly tight joint at the point where the upper casing 1 and the lower easing 1 come together. Similarly, the flange 56 upon the upper casing 4 overlaps the upper edge of the lower casing 4 and a tight joint is produced between those members by the screw 51. The position of the respective parts, when the mold is arranged after pouring the second section of. the chimney after the first section has been completed, is clearly shown in Fig. 3 of the drawings. Cement is now poured into the ,space between the upper casings 1 and 2, and 3 and 4, i; 6., into the space shown to be vacant in said Fig. 3, and thus the second section of the chimney is formed. In order to remove those casings 1 and 4, which must be left in place upon the lower section while the second section is being formed, the screws 51 and 36 are loosened, the levers 17 and 21 are thrown from the position shown in dotted lines in Figs. 1,3, and 4 to the positions shown in full lines in said figures, and in this manner the casing walls 1 and. 4 are loosened so that some of the removable sections 6 can be unbolted and the lower casing walls 1 and 4 removed,'or the casing 1 be expandedand the casing 4 be contracted sufiiciently to pass over or inside of the casings still left upon the second or upper. section of the chimney. A new section or sections 6 of the proper size can then be substituted and the particular members 1 and 4, which were first used for forming the lowest section, can then be set above the particular members 1 and 4 which were used for forming the second section, and those particular members 1 and 4, which formed the first section, can be used for forming the third section. The casings which are used to form the second section are allowed to remain in place while the third section is being formed and then are removed and used to form the fourth section, and so on until the chimney is completed.
Each of the hangers 31, 54, and 65 is constructed as shown in Figs. 7 and 8, 2'. 6., made of two pieces secured together by bolts 32 which clamp the hanger tightly to the arm 29 (or 66) which is secured within perforation 70, the bolts which secure said hangers to their respective yokes being passed through perforation 71. Locking devices 72 are employed to hold the levers 17 in place when the casing is tightened.
Many changes in details of the construction can be made without departing from the scope of the claims.
I claim as my invention:
1. In a device of the character described, the combination of a shell or casing, a band or hoop secured thereto and spaced apart therefrom, means adapted to engage said band, and means adapted to engage said last-mentioned 'means, thereby to support the casing.
2. In a device of the character described, the combination of a casing, a hoop-like member secured thereto and spaced apart therefrom, a yoke engaging said hoop-like member and adapted to grasp the same, and means adapted to engage said yoke, thereby to support the casing.
3. In a device of the character described, the combination of a casing and band secured thereto and spaced apart therefrom, a yoke engaging and clamping said band, a spider from which the casing can be suspended, and means connecting said yoke to said s ider.
4. n a device of the character described, the combination of a'casing, a band secured thereto and spaced apart therefrom, a yoke engaging said band, "a spider adapted to support the' casing, a hanger supported by said spider, and bolts connecting said hanger to said yoke.
5. In a device of the character described, the combination of a casing, a band secured thereto and spaced apart therefrom, yokes which grasp the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider, and means connecting said hangers to said spider.
6. In a device of the character described, the combination of a casing, a band secured thereto and spaced apart therefrom, yokes which grasp the said band, a plurality of hangers, bolts securin said hangers to said yokes, a spider provi ed with radial arms, and means slidably mounted upon said arms, said means being connected to said hangers.
7. In the combination of a casing, a band secured thereto and spaced apart therefrom, yokes which grasp the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider provided with radial arms, and means securing said hangers dependingly upon said arms.
8. In a device of the character described, the combination of a casing, a band secured thereto and spaced apart therefrom, yokes which grasp'the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider comprising a central member and an outer member, and radialarms intermediate said central member, said hangers being slidably mounted upon said arms.
9. In a device of the character described, the combination of a casing, a band secured thereto andspaced apart therefrom, yokes which grasp the said band, a plurality of hangers, bolts securing said hangers to said yokes, a spider comprising a central. member and an outer member, and radial arms intermediate said central member, said hangers being slidably mounted upon said arms, bolts being provided to clamp said hangers upon said arms.
10. In a device of the character described, the combination of a casing, a bandsecured thereto and spaced apart therefrom, a yoke which grasps said band, and a screw which projects from said yoke toward said casing. In testimony whereof I'have hereunto set my hand in the presence of two witnesses. r MARTIN STIELER.
Witnesses:
JOSEPH SCHLENKER RoB'r. KLOTZ.
a device of the character described,
US67330412A 1912-01-25 1912-01-25 Chimney-mold. Expired - Lifetime US1041367A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544297A (en) * 1947-03-24 1951-03-06 Patrick J Callan Collapsible form for concrete wall construction
US2557631A (en) * 1948-06-12 1951-06-19 Patrick J Callan Collapsible form for forming window or door openings in concrete walls
US3497174A (en) * 1966-03-04 1970-02-24 Nayagam Suzanne Core-former

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544297A (en) * 1947-03-24 1951-03-06 Patrick J Callan Collapsible form for concrete wall construction
US2557631A (en) * 1948-06-12 1951-06-19 Patrick J Callan Collapsible form for forming window or door openings in concrete walls
US3497174A (en) * 1966-03-04 1970-02-24 Nayagam Suzanne Core-former

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