US166552A - Improvement in fire-proof floors - Google Patents
Improvement in fire-proof floors Download PDFInfo
- Publication number
- US166552A US166552A US166552DA US166552A US 166552 A US166552 A US 166552A US 166552D A US166552D A US 166552DA US 166552 A US166552 A US 166552A
- Authority
- US
- United States
- Prior art keywords
- fire
- joist
- improvement
- cement
- proof
- 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
- 239000004568 cement Substances 0.000 description 16
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
Definitions
- the object of my invention is to make floors fire-proof; and for this object I place between the joists cement, and hold the same in position with a metal arch till set, and place under the joist 0f the floor strips of metal or other substance, and fasten the same to the joist with screws or bolts for the cement to rest on, and in this way I cover the joist with fire-proof material.
- Figure 1 is a view of a section of fire-proof floor.
- a A are the joists of a floor; B B, the side pieces, secured to the joists to help hold up the cement; G, the cement arch between the joist D, a hollow in the top of the joist filled with cement; E, a floor over the cement arch; F F, pieces of iron or other material under the joist, and on which the cement arches rest. These pieces are wider than the joist are thick, so that they project over the sides of the joist. G, screws or bolts, which secure these pieces F to the bottom of the joist.
- the arch is formed with an arch-pattern
Description
UNITED STATES PATENT OFFICE.
JAMES D. PIERCE, OF MILWAUKEE, WISCONSIN, ASSIGNOB OF ONE-HALF HIS RIGHT TO JOHN B. SMITH, OF SAME PLACE.
IMPROVEMENT IN FIRE-PROOF FLOORS.
Specification forming part of Letters Patent No. 166,552, dated August 10, 1875; application filed December 16, 1874.
To all whom it may concern:
Be it known that 1, JAMES D. PIERCE, of Milwaukee, in the county of Milwaukee, in the State of Wisconsin, have invented certain Improvements in Metal Arch-Patterns and Center-Pieces, of which the following is a specification:
The object of my invention is to make floors fire-proof; and for this object I place between the joists cement, and hold the same in position with a metal arch till set, and place under the joist 0f the floor strips of metal or other substance, and fasten the same to the joist with screws or bolts for the cement to rest on, and in this way I cover the joist with fire-proof material.
Figure 1 is a view of a section of fire-proof floor.
A A are the joists of a floor; B B, the side pieces, secured to the joists to help hold up the cement; G, the cement arch between the joist D, a hollow in the top of the joist filled with cement; E, a floor over the cement arch; F F, pieces of iron or other material under the joist, and on which the cement arches rest. These pieces are wider than the joist are thick, so that they project over the sides of the joist. G, screws or bolts, which secure these pieces F to the bottom of the joist.
The arch is formed with an arch-pattern,
which is held in position till the cement is set,
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US166552A true US166552A (en) | 1875-08-10 |
Family
ID=2235961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US166552D Expired - Lifetime US166552A (en) | Improvement in fire-proof floors |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US166552A (en) |
-
0
- US US166552D patent/US166552A/en not_active Expired - Lifetime
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