GB2028128B - Air damper - Google Patents

Air damper

Info

Publication number
GB2028128B
GB2028128B GB7924839A GB7924839A GB2028128B GB 2028128 B GB2028128 B GB 2028128B GB 7924839 A GB7924839 A GB 7924839A GB 7924839 A GB7924839 A GB 7924839A GB 2028128 B GB2028128 B GB 2028128B
Authority
GB
United Kingdom
Prior art keywords
air damper
damper
air
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
GB7924839A
Other versions
GB2028128A (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.)
OZONAIR ENG CO Ltd
Original Assignee
OZONAIR ENG 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 OZONAIR ENG CO Ltd filed Critical OZONAIR ENG CO Ltd
Priority to GB7924839A priority Critical patent/GB2028128B/en
Publication of GB2028128A publication Critical patent/GB2028128A/en
Application granted granted Critical
Publication of GB2028128B publication Critical patent/GB2028128B/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
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
    • A62C2/242—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with fusible links
    • 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
    • A62C2/14—Hinged dampers with two or more blades
    • A62C2/16—Hinged dampers with two or more blades multi-vane roll or fold-up type
GB7924839A 1978-07-17 1979-07-17 Air damper Expired GB2028128B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7924839A GB2028128B (en) 1978-07-17 1979-07-17 Air damper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7830112 1978-07-17
GB7924839A GB2028128B (en) 1978-07-17 1979-07-17 Air damper

Publications (2)

Publication Number Publication Date
GB2028128A GB2028128A (en) 1980-03-05
GB2028128B true GB2028128B (en) 1983-01-12

Family

ID=26268241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7924839A Expired GB2028128B (en) 1978-07-17 1979-07-17 Air damper

Country Status (1)

Country Link
GB (1) GB2028128B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211733A (en) * 1987-11-02 1989-07-12 Hunter Int Ltd Fire damper
US7462100B2 (en) 2007-04-11 2008-12-09 Globe Technologies Corporation Fire damper assembly

Also Published As

Publication number Publication date
GB2028128A (en) 1980-03-05

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19990716