GB1189881A - Air Control Device - Google Patents
Air Control DeviceInfo
- Publication number
- GB1189881A GB1189881A GB1541667A GB1541667A GB1189881A GB 1189881 A GB1189881 A GB 1189881A GB 1541667 A GB1541667 A GB 1541667A GB 1541667 A GB1541667 A GB 1541667A GB 1189881 A GB1189881 A GB 1189881A
- Authority
- GB
- United Kingdom
- Prior art keywords
- holes
- blade assembly
- stock
- link
- fire
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air-Flow Control Members (AREA)
Abstract
1,189,881. Fire dampers. AIR BALANCE Inc. 4 April, 1967, No. 15416/67. Heading A5A. [Also in Division B3] A fire damper comprises a one-piece perimeter frame formed from unitary stock 40 (Fig. 14)) having central planar web 41 divided from side margins 42 by upstanding parallel flanges 43 by folding the stock at notches 50a, 50b &c., in 43 and then securing the open corner with L-shaped plates 68 by means of tabs and holes 62, 62a (Fig. 21), and mounted in the continuous channel 41 of the closed frame by .means of pivot pins 78 in holes 57, a blade assembly formed of hingedly interconnected 'blades 82, 91 &c., which are retained reversely compacted by a flexible wire passing through holes 63 and secured by S-link 96 and heat-fusible link 97. The blade assembly may be locked in its operative position to' close the airflow path fully. In an alternative embodiment <Fig. 24, not shown) the blade assembly is mounted to move horizontally.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1541667A GB1189881A (en) | 1967-04-04 | 1967-04-04 | Air Control Device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1541667A GB1189881A (en) | 1967-04-04 | 1967-04-04 | Air Control Device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1189881A true GB1189881A (en) | 1970-04-29 |
Family
ID=10058757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1541667A Expired GB1189881A (en) | 1967-04-04 | 1967-04-04 | Air Control Device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1189881A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4763711A (en) * | 1986-06-04 | 1988-08-16 | Nailor-Hart Industries Inc. | Fire damper |
GB2222946A (en) * | 1988-09-09 | 1990-03-28 | Gilberts | Fire damper |
WO2013150321A3 (en) * | 2012-04-02 | 2014-10-02 | Barušić Josip | Fire damper |
-
1967
- 1967-04-04 GB GB1541667A patent/GB1189881A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4763711A (en) * | 1986-06-04 | 1988-08-16 | Nailor-Hart Industries Inc. | Fire damper |
GB2222946A (en) * | 1988-09-09 | 1990-03-28 | Gilberts | Fire damper |
WO2013150321A3 (en) * | 2012-04-02 | 2014-10-02 | Barušić Josip | Fire damper |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
PCNP | Patent ceased through non-payment of renewal fee |