CA2133957A1 - Quick response sprinkler head - Google Patents

Quick response sprinkler head

Info

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
Application number
CA002133957A
Other languages
French (fr)
Other versions
CA2133957C (en
Inventor
Goran Sundholm
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.)
Marioff Corp Oy
Original Assignee
Individual
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
Priority claimed from FI921806A external-priority patent/FI90394C/en
Application filed by Individual filed Critical Individual
Publication of CA2133957A1 publication Critical patent/CA2133957A1/en
Application granted granted Critical
Publication of CA2133957C publication Critical patent/CA2133957C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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.
CA002133957A 1992-04-23 1993-04-21 Quick response sprinkler head Expired - Fee Related CA2133957C (en)

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)

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