GB828293A - Improvements in or relating to locks - Google Patents

Improvements in or relating to locks

Info

Publication number
GB828293A
GB828293A GB1799855A GB1799855A GB828293A GB 828293 A GB828293 A GB 828293A GB 1799855 A GB1799855 A GB 1799855A GB 1799855 A GB1799855 A GB 1799855A GB 828293 A GB828293 A GB 828293A
Authority
GB
United Kingdom
Prior art keywords
locks
relating
june
lock
radiograph
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
Application number
GB1799855A
Inventor
James Harrison Leat
Edward James Axton
Eric Edward Smith
Dennis Sydney Charles Belcher
Andrew Reginald Sprake Marsh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MINI OF WORKS
Original Assignee
MINI OF WORKS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MINI OF WORKS filed Critical MINI OF WORKS
Priority to GB1799855A priority Critical patent/GB828293A/en
Publication of GB828293A publication Critical patent/GB828293A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00—Permutation or combination locks; Puzzle locks
    • E05B37/0027—X-ray protection

Landscapes

  • Apparatus For Radiation Diagnosis (AREA)

Abstract

828,293. Locks. MINISTER OF WORKS. June 19, 1956 [June 21, 1955], No. 17998/55. Drawings to Specification. Class 44 To prevent a radiograph, of a lock mechanism being obtained the mechanism is shrouded in lead masking plates which have perforations and/or recessed patterns formed in them so that only a confused reproduction of the lock can be obtained radiographically.
GB1799855A 1955-06-21 1955-06-21 Improvements in or relating to locks Expired GB828293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1799855A GB828293A (en) 1955-06-21 1955-06-21 Improvements in or relating to locks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1799855A GB828293A (en) 1955-06-21 1955-06-21 Improvements in or relating to locks

Publications (1)

Publication Number Publication Date
GB828293A true GB828293A (en) 1960-02-17

Family

ID=10104858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1799855A Expired GB828293A (en) 1955-06-21 1955-06-21 Improvements in or relating to locks

Country Status (1)

Country Link
GB (1) GB828293A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509350A (en) * 1983-06-27 1985-04-09 Gartner Klaus W Protective lock mounting plate for safe door locks
US4648255A (en) * 1984-09-12 1987-03-10 Gartner Klaus W Lock protecting device for high security safes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509350A (en) * 1983-06-27 1985-04-09 Gartner Klaus W Protective lock mounting plate for safe door locks
US4648255A (en) * 1984-09-12 1987-03-10 Gartner Klaus W Lock protecting device for high security safes

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