GB1377827A - Locks - Google Patents
LocksInfo
- Publication number
- GB1377827A GB1377827A GB1897472A GB1897472A GB1377827A GB 1377827 A GB1377827 A GB 1377827A GB 1897472 A GB1897472 A GB 1897472A GB 1897472 A GB1897472 A GB 1897472A GB 1377827 A GB1377827 A GB 1377827A
- Authority
- GB
- United Kingdom
- Prior art keywords
- locks
- metalsmiths
- vickers
- chrome
- heading
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/16—Use of special materials for parts of locks
- E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
1377827 Locks MICRO METALSMITHS Ltd 8 May 1973 [24 April 1972] 18974/72 Heading E2A [Also in Division C7] Destruction of a door lock by drilling is prevented by spray-coating its body with a layer of hard, particulate material. This material may be alumina or a nickel-chrome-boron alloy, and has a hardness 2 of at least 800 Vickers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1897472A GB1377827A (en) | 1973-05-08 | 1973-05-08 | Locks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1897472A GB1377827A (en) | 1973-05-08 | 1973-05-08 | Locks |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1377827A true GB1377827A (en) | 1974-12-18 |
Family
ID=10121644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1897472A Expired GB1377827A (en) | 1973-05-08 | 1973-05-08 | Locks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1377827A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2618196A1 (en) * | 1975-04-30 | 1976-11-11 | Gkn Stenman Ab | METHOD AND DEVICE FOR THE BREAK-PROOF PROTECTION OF A LOCKING MECHANISM IN A LOCK CASE, EQUIPPED WITH LOCKING PISTON AND / OR DROP PISTON |
DE3030393A1 (en) * | 1980-08-12 | 1982-02-18 | Fa. Wilhelm Karrenberg, 5620 Velbert | Drill resistant mortice door lock - has bottom blocking plate and rear angular plate protecting tumbler plate |
DE102010047020A1 (en) | 2010-09-30 | 2012-04-05 | Obeko Gmbh | Producing an ultrahard protective coating on components of a safety equipment, comprises providing the component comprising a surface to be coated, and applying a coating mixture to the surface by a thermal spraying method |
-
1973
- 1973-05-08 GB GB1897472A patent/GB1377827A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2618196A1 (en) * | 1975-04-30 | 1976-11-11 | Gkn Stenman Ab | METHOD AND DEVICE FOR THE BREAK-PROOF PROTECTION OF A LOCKING MECHANISM IN A LOCK CASE, EQUIPPED WITH LOCKING PISTON AND / OR DROP PISTON |
DE3030393A1 (en) * | 1980-08-12 | 1982-02-18 | Fa. Wilhelm Karrenberg, 5620 Velbert | Drill resistant mortice door lock - has bottom blocking plate and rear angular plate protecting tumbler plate |
DE102010047020A1 (en) | 2010-09-30 | 2012-04-05 | Obeko Gmbh | Producing an ultrahard protective coating on components of a safety equipment, comprises providing the component comprising a surface to be coated, and applying a coating mixture to the surface by a thermal spraying method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |