Title:
Gas generator
Document Type and Number:
Japanese Patent JP6243404
Kind Code:
B2
Abstract:
A gas generator (1A) includes a lower shell (10) as a housing, an igniter (40) including a squib cup (44) and a plug (43), and a fixing portion (30) formed from a resin molding for fixing the igniter (40) to the lower shell (10). The squib cup (44) includes a contact portion (A) in contact with the plug (43) and a non-contact portion (B) not in contact with the plug (43). The fixing portion (30) includes a cover portion (35) secured to an outer circumferential surface of the squib cup (44), and the cover portion (35) has a lower-side annular cover portion (36) covering a part of the contact portion (A) and an upper-side annular cover portion (37) covering a part of the non-contact portion (B). A thickness t2 of the upper-side annular cover portion (37) is smaller than a thickness t1 of the lower-side annular cover portion (36), and the cover portion (35) is formed in a stepped shape having a substantially two-dimensionally annular step-formed surface (38) orthogonal to an axial direction of the squib cup (44).
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Inventors:
Tomoji Osugi
Akinori Matsumoto
Masahiro Yamaguchi
Akinori Matsumoto
Masahiro Yamaguchi
Application Number:
JP2015508778A
Publication Date:
December 06, 2017
Filing Date:
March 28, 2014
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
International Classes:
B60R21/264; B01J7/00
Domestic Patent References:
| JP2012504073A | ||||
| JP2003182507A |
Foreign References:
| US20100064923 | ||||
| US20030183110 | ||||
| WO2011151276A1 | ||||
| WO2012093721A1 |
Attorney, Agent or Firm:
Fukami patent office