US202617A - Improvement in fire-proof ceilings - Google Patents
Improvement in fire-proof ceilings Download PDFInfo
- Publication number
- US202617A US202617A US202617DA US202617A US 202617 A US202617 A US 202617A US 202617D A US202617D A US 202617DA US 202617 A US202617 A US 202617A
- Authority
- US
- United States
- Prior art keywords
- blocks
- fire
- improvement
- ceiling
- flanges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 229910052742 iron Inorganic materials 0.000 description 12
- 239000004568 cement Substances 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 8
- 210000001503 Joints Anatomy 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- MXBCYQUALCBQIJ-RYVPXURESA-N (8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol;(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.C1CC[C@@H]2[C@H]3C(=C)C[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 MXBCYQUALCBQIJ-RYVPXURESA-N 0.000 description 2
- 210000000614 Ribs Anatomy 0.000 description 2
- 210000002832 Shoulder Anatomy 0.000 description 2
- 210000002356 Skeleton Anatomy 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
Definitions
- PETER B WIGHT, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF HIS RIGHT TO HARVEY
- the object of this invention is to protect an arched or Hat ceiling, consisting of plates with dan ges on the under side, or of T-irons, at intervals, placed with the middle flange pointing downward, vfrom the effects of tire in a burning building.
- Figure l represents a vertical section
- Fig. 2 represents a ceiling as seen from below.
- the structural part of the ceiling consists of iron plates A, with flanges B at intervals, pointing downward, the flanges may run in any direction, or may cross each other, forming cells between them. Or the said structural part may be in skeleton form, composed of T-irons, as shown by dotted lines at a, Fig. l, secured to the beams which support the floors, the flat sides of the T-irons being upward and the middle flanges pointing downward.
- the iire-protectin g material consists of i blocks of porous terra-cotta, concrete, or other non-conducting or incombustible material or blocks G.
- the blocks are made of the form shown, the lower surfaces being wider than the upper surfaces, so that their lower portions partially overlap the edges of the iron anges.
- the blocks are also provided with countersunk spaces at the lower edges to receive plates or buttons H, used in securing them to the iian ges ofthe ceiling.
- the thickness of the blocks is greater than the projection of the iron iianges, so that the projecting edges may partially overlap them.
- the projecting edges are made sloping, as
- the blocks maybe flat, or curved to follow the lines of the constructive iron-work.
- the blocks are to be secured to the ceiling they are well plastered with mortar or cement on the upper sides or at the joints, so as to fit closely to the structural iron-work. Holes are tapped at intervals in the lower surfaces of the iron flanges at D for screws.
- Plaster, mortar, or cement is then crowded in the joints between the sloping' or inclined edges ot' the blocks at E, and is continued over the plates or buttons, thus forming a continuous protection to the edges Aof the flanges and the countersunk plates or buttons.
- the surface of the mortar is flush with the lower surfaces of the blocks, thus forming a smooth ceiling.
- the whole ceiling may then be plastered in the usual way, the plastering F concealing all the joints, the whole forming an effective protection against the effects of fire upon the structural part of the ceiling.
- the tire-resisting blocks G In combination with iron plates A, provided with downwardly-extending ribs or flanges B, the tire-resisting blocks G, made with overlapping edges, the countersunk plates or buttons B, and cement filling E, all constructed and arranged as described, and for the purpose set forth.
Description
P. B WIGHT Fire-Proof Ceiling.
N0.v2o2,617. Ptented Apri|16,|878.
UNITED STATES PATENT OFFICE.
PETER B. WIGHT, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF HIS RIGHT TO HARVEY B. MERRELL, OF MORRISTON, NEW JERSEY, AND THOMAS FERGUSON, OF DETROIT, MICHIGAN.
IMPROVEMENT IN FIRE-PROOF CEILINGS.
Specification forming part of Letters Patent No. 202,617, dated April 16, 1878; application filed 4 December 21, 1877.
To all 'whom it may concern Be it known that I, PETER B. WIGHT, of the city of Chicago, in the county of Cook and State of Illinois, have invented cert-ain new and useful Improvements in FireProof Arches and Ceilings; and I do hereby declare that the following is a full, clear, and eXact description thereof, which will enable others skilled in the art to which it appertains to make and use the same, reference beinghad to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
The object of this invention is to protect an arched or Hat ceiling, consisting of plates with dan ges on the under side, or of T-irons, at intervals, placed with the middle flange pointing downward, vfrom the effects of tire in a burning building.
Figure l represents a vertical section, and Fig. 2 represents a ceiling as seen from below.
Corresponding parts in the'two figures are denoted by like letters.
The structural part of the ceiling consists of iron plates A, with flanges B at intervals, pointing downward, the flanges may run in any direction, or may cross each other, forming cells between them. Or the said structural part may be in skeleton form, composed of T-irons, as shown by dotted lines at a, Fig. l, secured to the beams which support the floors, the flat sides of the T-irons being upward and the middle flanges pointing downward.
The iire-protectin g material consists of i blocks of porous terra-cotta, concrete, or other non-conducting or incombustible material or blocks G. The blocks are made of the form shown, the lower surfaces being wider than the upper surfaces, so that their lower portions partially overlap the edges of the iron anges. The blocks are also provided with countersunk spaces at the lower edges to receive plates or buttons H, used in securing them to the iian ges ofthe ceiling. The thickness of the blocks is greater than the projection of the iron iianges, so that the projecting edges may partially overlap them.
The projecting edges are made sloping, as
shown at C, so as Ito contain the pointing of plaster, mortar, or cement, to be herein after described. The blocks maybe flat, or curved to follow the lines of the constructive iron-work. When the blocks are to be secured to the ceiling they are well plastered with mortar or cement on the upper sides or at the joints, so as to fit closely to the structural iron-work. Holes are tapped at intervals in the lower surfaces of the iron flanges at D for screws.
Plates or buttons H, of iron, with holes in the center corresponding with the holes tapped ill the flanges, are then placed in the countersunk parts of the protecting-blocks, against the shoulders thus formed in the blocks, and secured with screws to the flanges, the screws passing through the two holes last mentioned. Plaster, mortar, or cement is then crowded in the joints between the sloping' or inclined edges ot' the blocks at E, and is continued over the plates or buttons, thus forming a continuous protection to the edges Aof the flanges and the countersunk plates or buttons. The surface of the mortar is flush with the lower surfaces of the blocks, thus forming a smooth ceiling. The whole ceiling may then be plastered in the usual way, the plastering F concealing all the joints, the whole forming an effective protection against the effects of fire upon the structural part of the ceiling.
That I claim, and desire to secure by Letters Patent, is
In combination with iron plates A, provided with downwardly-extending ribs or flanges B, the tire-resisting blocks G, made with overlapping edges, the countersunk plates or buttons B, and cement filling E, all constructed and arranged as described, and for the purpose set forth.
In testimony that I claim the foregoing as my own I affix my signature in presence of' two witnesses.
PETER B. WIGHT.
Vitnesses:
HENRY S. J AFFRAY, DANIEL P. Wiel-IT.
Publications (1)
Publication Number | Publication Date |
---|---|
US202617A true US202617A (en) | 1878-04-16 |
Family
ID=2272022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US202617D Expired - Lifetime US202617A (en) | Improvement in fire-proof ceilings |
Country Status (1)
Country | Link |
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US (1) | US202617A (en) |
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0
- US US202617D patent/US202617A/en not_active Expired - Lifetime
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