Title:
ALLOY FOR FUSIBLE PLUG AND FUSIBLE PLUG
Document Type and Number:
WIPO Patent Application WO/2006/057029
Kind Code:
A1
Abstract:
[PROBLEMS] A conventional alloy for a fusible plug contains a harmful element such as Cd or Pb, and thus has a fear of causing pollution due to the harmful element. The object of the present invention is to provide a fusible plug wherein it does not contain Cd nor Pb, which is a harmful component, the alloy is not squeezed out from the fusible plug even in the use for a long period of time as a safety device of a refrigeration apparatus, and it exhibits high mechanical strength such as good creep characteristics. [MEANS FOR SOLVING PROBLEMS] An fusible plug which uses an alloy containing 0.1 to 2.0 mass % of Sn, 31 to 37 mass % of Bi and the balanced amount of In and fusing at about 70 to 75&ring C; and an fusible plug which uses an alloy containing 0.05 to 0.4 mass % of Zn, 47 to 55 mass % of Bi and the balanced amount of In and fusing at about 90 to 95&ring C.
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Inventors:
KATO RIKIYA (JP)
KIKUCHI TETSURO (JP)
DEGUCHI MUTSUMI (JP)
KIKUCHI TETSURO (JP)
DEGUCHI MUTSUMI (JP)
Application Number:
PCT/JP2004/017376
Publication Date:
June 01, 2006
Filing Date:
November 24, 2004
Export Citation:
Assignee:
SENJU METAL INDUSTRY CO (JP)
KATO RIKIYA (JP)
KIKUCHI TETSURO (JP)
DEGUCHI MUTSUMI (JP)
KATO RIKIYA (JP)
KIKUCHI TETSURO (JP)
DEGUCHI MUTSUMI (JP)
International Classes:
F16K17/38
Foreign References:
| JP2003130240A | 2003-05-08 | |||
| JP2003013165A | 2003-01-15 | |||
| JP2002115940A | 2002-04-19 | |||
| JP2004176106A | 2004-06-24 | |||
| JP2001325867A | 2001-11-22 | |||
| JP2001214985A | 2001-08-10 | |||
| JP2002310543A | 2002-10-23 |
Other References:
See also references of EP 1821015A4
None
None
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