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Title:
STAKING MACHINE AND STAKING METHOD
Document Type and Number:
Japanese Patent JP2004290995
Kind Code:
A
Abstract:

To provide a staking machine and a staking method with which the good staking processing is performed without developing the strain on an including member, in the staking machine and the staking method used when a staking member is staked, in the case of fixing the including member contained in the inner part by staking the opening end part of the staking member composed of a bottomed cylindrical body.

This method is performed as the following processes, that is, a preliminary process, in which the whole circumference of the opening end part 74 of the staking member 12 is pushed while coextensively tumbling plurality of first staking rollers 10 and the whole circumference of the opening end part 74 is bent inward by arranging a bending part 79 with the necessary distance from the end edge part 75 to the staking part 23, and a finish process, in which the whole circumference of the opening end part 74 of the staking member 12 after the preliminary process, is pushed while coextensively tumbling plurality of second staking rollers 30 and the end edge part 75 is abutted to the including member 25 and also, the interval from the bending part 79 to the end edge part 75, is curled.


Inventors:
OBAYASHI YOSHIAKI
YASUDA MAMORU
SUGIMORI YASUO
YOKOUCHI MITSUHIRO
Application Number:
JP2003084532A
Publication Date:
October 21, 2004
Filing Date:
March 26, 2003
Export Citation:
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Assignee:
HOSIDEN CORP
MIKUNI KOGYO KK
International Classes:
B21D19/12; B21D39/00; B21D53/00; (IPC1-7): B21D39/00; B21D19/12
Attorney, Agent or Firm:
Takao Watanuki
Horimai Kazuharu