GB2051207B - Door lock safety system - Google Patents

Door lock safety system

Info

Publication number
GB2051207B
GB2051207B GB7918698A GB7918698A GB2051207B GB 2051207 B GB2051207 B GB 2051207B GB 7918698 A GB7918698 A GB 7918698A GB 7918698 A GB7918698 A GB 7918698A GB 2051207 B GB2051207 B GB 2051207B
Authority
GB
United Kingdom
Prior art keywords
door lock
safety system
lock safety
door
safety
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
GB7918698A
Other versions
GB2051207A (en
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.)
Middle W H
Original Assignee
Middle W H
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 Middle W H filed Critical Middle W H
Priority to GB7918698A priority Critical patent/GB2051207B/en
Publication of GB2051207A publication Critical patent/GB2051207A/en
Application granted granted Critical
Publication of GB2051207B publication Critical patent/GB2051207B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
GB7918698A 1979-05-29 1979-05-29 Door lock safety system Expired GB2051207B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7918698A GB2051207B (en) 1979-05-29 1979-05-29 Door lock safety system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7918698A GB2051207B (en) 1979-05-29 1979-05-29 Door lock safety system

Publications (2)

Publication Number Publication Date
GB2051207A GB2051207A (en) 1981-01-14
GB2051207B true GB2051207B (en) 1983-05-18

Family

ID=10505512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7918698A Expired GB2051207B (en) 1979-05-29 1979-05-29 Door lock safety system

Country Status (1)

Country Link
GB (1) GB2051207B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1186883B (en) * 1985-05-24 1987-12-16 Ci Ka Ra Spa CONTROL DEVICE FOR VALVES AND SIMILAR

Also Published As

Publication number Publication date
GB2051207A (en) 1981-01-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee