US2013305952A1PendingUtilityA1

Ignition powder composition for igniter

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Assignee: FUKUMOTO MAIKOPriority: Jul 15, 2010Filed: Jul 14, 2011Published: Nov 21, 2013
Est. expiryJul 15, 2030(~4 yrs left)· nominal 20-yr term from priority
Inventors:Maiko FukumotoAyumu Kimura
C06B 33/06C06C 9/00C06D 5/06B60R 2021/26029
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Claims

Abstract

An ignition powder composition for igniter of which friction sensitivity can be lowered with the required firing current sensitivity being achieved is provided as ignition powder for an igniter that is activated by an electrical signal. The ignition powder composition for igniter contains metal hydride (A); metal powder (B) that is one or more selected from the group consisting of tungsten powder, molybdenum powder, aluminum powder, titanium powder, and magnesium powder; and perchlorate (C).

Claims

exact text as granted — not AI-modified
1 . An ignition powder composition for igniter, comprising:
 metal hydride (A);   metal powder (B) that is one or more selected from the group consisting of tungsten powder, molybdenum powder, aluminum powder, titanium powder, and magnesium powder; and   perchlorate (C).   
     
     
         2 . The ignition powder composition for igniter according to  claim 1 , wherein the metal hydride (A) contains zirconium hydride and/or titanium hydride. 
     
     
         3 . The ignition powder composition for igniter according to   claim 1 , wherein the metal powder (B) contains tungsten powder. 
     
     
         4 . The ignition powder composition for igniter according to  claim 1 , wherein the content of the metal hydride (A) is 10 mass % to 50 mass %. 
     
     
         5 . The ignition powder composition for igniter according to  claim 1 , wherein:
 the content of the metal hydride (A) is 10 mass % to 50 mass %,   the content of the metal powder (B) is 10 mass % to 50 mass %, and   the content of the perchlorate (C) is 20 mass % to 70 mass %.   
     
     
         6 . An igniter using the ignition powder composition for igniter according to  claim 1 . 
     
     
         7 . A gas generator for seat belt pretensioner, using the igniter according to  claim 6 . 
     
     
         8 . A gas generator for airbag, using the igniter according to  claim 6 . 
     
     
         9 . The ignition powder composition for igniter according to  claim 2 , wherein the metal powder (B) contains tungsten powder.

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