US129286A - Improvement in fire-proof safes - Google Patents
Improvement in fire-proof safes Download PDFInfo
- Publication number
- US129286A US129286A US129286DA US129286A US 129286 A US129286 A US 129286A US 129286D A US129286D A US 129286DA US 129286 A US129286 A US 129286A
- Authority
- US
- United States
- Prior art keywords
- fire
- improvement
- proof safes
- proof
- safes
- 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 2
- 238000010276 construction Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
- E05G1/00—Safes or strong-rooms for valuables
- E05G1/02—Details
- E05G1/024—Wall or panel structure
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Building Environments (AREA)
Description
am SMS, BANK Pmcmw u .5 AND HELMED @mgm fw H. LUDECKE.
Fire-Proof Safes.
No. 129,286. Patented1u|y16,1872.
EELMED Utl/M3553.
Search Room UNITED STATES PATENT OFFICE.
HENRY LUDECKE, OF SOUTHINGTON, CONNECTICUT.
IMPIROVEMENT IN FIRE-PROOF SAFES.
Specification forming part of Letters Patent No. 129,286, dated July 16, 1872.
` placed a little distance from the metallic shell so as to leave an air-chamber between them. The space between the mica Walls b b is filled with plaster of Paris, B, after the usual manner of filling iron Walls with the same. The other sides of the safe are constructed as above described for the door, by which construction it is believed that the safe is rendered much more efficient as a tire-proof safe than those now in common use.
I claim as my invention- The employment of mica walls in the con struction of iire-proof safes, substantially as and for the purpose described.
HENRY LUDECKE.
Witnesses z SIMEON H. NORTON, SARAH E. CoWLEs.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US129286A true US129286A (en) | 1872-07-16 |
Family
ID=2198704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US129286D Expired - Lifetime US129286A (en) | Improvement in fire-proof safes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US129286A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514696A (en) * | 1945-10-01 | 1950-07-11 | John B Dube | Heat, cold, and fume resisting wall structure |
-
0
- US US129286D patent/US129286A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514696A (en) * | 1945-10-01 | 1950-07-11 | John B Dube | Heat, cold, and fume resisting wall structure |
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