Title:
METHOD OF MANUFACTURE OF PIPE FOR PRETENSIONER
Document Type and Number:
Japanese Patent JP3862611
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing easily at a low cost a reliable pipe for pretensioners capable of enduring the explosion of powder.
SOLUTION: The method is for manufacturing the pipe for pretensioners which comprises a housing for a gas generator and a passage integrally formed with the housing, and the passage contains and guides drivers that are accelerated by gas generated from the gas generator to rotate a reeling shaft of a seat belt. The pipe is made by executing drawing processes on a seamless pipe several times. The seamless pipe to be processed is formed to have a certain length in consideration of a product dimension prior to a final drawing process, and the final drawing process is executed on the part of the processed pipe other than one end thereof to manufacture the pipe for pretensioners.
Inventors:
Kameda Shigeji
Miyake Hosei
Miyake Hosei
Application Number:
JP2002160938A
Publication Date:
December 27, 2006
Filing Date:
June 03, 2002
Export Citation:
Assignee:
Sanoh Industry Co., Ltd.
International Classes:
B60R22/46; B21C1/22; (IPC1-7): B60R22/46; B21C1/22
Domestic Patent References:
| JP2001225721A | ||||
| JP716642A | ||||
| JP554737A | ||||
| JP760336A | ||||
| JP62124020A |
Attorney, Agent or Firm:
Masatoshi Iwane
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