GB1246513A - Improvements in or relating to damper arrangements for ventilating or other ducts - Google Patents

Improvements in or relating to damper arrangements for ventilating or other ducts

Info

Publication number
GB1246513A
GB1246513A GB3556068A GB3556068A GB1246513A GB 1246513 A GB1246513 A GB 1246513A GB 3556068 A GB3556068 A GB 3556068A GB 3556068 A GB3556068 A GB 3556068A GB 1246513 A GB1246513 A GB 1246513A
Authority
GB
United Kingdom
Prior art keywords
duct
ventilating
ducts
relating
damper
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
GB3556068A
Inventor
John William Maybury
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.)
AMBERLEY ENGINEERING CO Ltd
Original Assignee
AMBERLEY ENGINEERING CO Ltd
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 AMBERLEY ENGINEERING CO Ltd filed Critical AMBERLEY ENGINEERING CO Ltd
Priority to GB3556068A priority Critical patent/GB1246513A/en
Publication of GB1246513A publication Critical patent/GB1246513A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Air-Flow Control Members (AREA)

Abstract

1,246,513. Fire damper. AMBERLEY ENG. CO. Ltd. 25 July, 1969 [25 July, 1968], No. 35560/68. Heading A5A. A fire damper for a ventilation duct comprises a damper blade D normally maintained in an open position parallel to the length of the duct A by a fusible link connection F with the duct wall A', but biassed to swing into a closed position between two fences B and C projecting from opposite walls A<SP>1</SP> and A<SP>2</SP> of the duct on release of the link G.
GB3556068A 1968-07-25 1968-07-25 Improvements in or relating to damper arrangements for ventilating or other ducts Expired GB1246513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3556068A GB1246513A (en) 1968-07-25 1968-07-25 Improvements in or relating to damper arrangements for ventilating or other ducts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3556068A GB1246513A (en) 1968-07-25 1968-07-25 Improvements in or relating to damper arrangements for ventilating or other ducts

Publications (1)

Publication Number Publication Date
GB1246513A true GB1246513A (en) 1971-09-15

Family

ID=10379100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3556068A Expired GB1246513A (en) 1968-07-25 1968-07-25 Improvements in or relating to damper arrangements for ventilating or other ducts

Country Status (1)

Country Link
GB (1) GB1246513A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286572A (en) * 1979-03-08 1981-09-01 Cambridge Engineering, Inc. Ventilating hood
US4646847A (en) * 1984-11-01 1987-03-03 George Colvin Chimney fire extinguishing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286572A (en) * 1979-03-08 1981-09-01 Cambridge Engineering, Inc. Ventilating hood
US4646847A (en) * 1984-11-01 1987-03-03 George Colvin Chimney fire extinguishing apparatus

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