CA2133957A1 - Quick response sprinkler head - Google Patents
Quick response sprinkler headInfo
- Publication number
- CA2133957A1 CA2133957A1 CA002133957A CA2133957A CA2133957A1 CA 2133957 A1 CA2133957 A1 CA 2133957A1 CA 002133957 A CA002133957 A CA 002133957A CA 2133957 A CA2133957 A CA 2133957A CA 2133957 A1 CA2133957 A1 CA 2133957A1
- Authority
- CA
- Canada
- Prior art keywords
- quick response
- sprinkler head
- predetermined temperature
- fire fighting
- memory metal
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 abstract 2
- 239000003708 ampul Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to fire fighting equipment, comprising a release means, e.g, a glass ampoule or a fuse, arranged to be activated at a predetermined temperature. The object of the invention is to provide new fire fighting equipment which is released faster than earlier known designs. In a preferred embodiment of the invention, a helical wire of memory metal is laid around the release means and at a predetermined temperature the wire of memory metal, by changing its shape, closes an electric circuit and thereby ads as a heating coil to effect a fast release action.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI921806 | 1992-04-23 | ||
FI921806A FI90394C (en) | 1992-04-23 | 1992-04-23 | The fire-fighting unit |
PCT/FI1993/000164 WO1993021998A1 (en) | 1992-04-23 | 1993-04-21 | Quick response sprinkler head |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2133957A1 true CA2133957A1 (en) | 1993-11-11 |
CA2133957C CA2133957C (en) | 2005-12-06 |
Family
ID=26159226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002133957A Expired - Fee Related CA2133957C (en) | 1992-04-23 | 1993-04-21 | Quick response sprinkler head |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA2133957C (en) |
NO (1) | NO944004L (en) |
-
1993
- 1993-04-21 CA CA002133957A patent/CA2133957C/en not_active Expired - Fee Related
-
1994
- 1994-10-21 NO NO944004A patent/NO944004L/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO944004D0 (en) | 1994-10-21 |
NO944004L (en) | 1994-12-21 |
CA2133957C (en) | 2005-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |