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Title:
【発明の名称】継手部材の製造方法
Document Type and Number:
Japanese Patent JP2549526
Kind Code:
B2
Abstract:
PURPOSE:To simply manufacture a joint member consisting of a sleeve member and a nipple member by punch working of once, by inserting the nipple member into an insert-through hole of a bottom part of a bottomed cylindrical sleeve member, and allowing a chuck and a punch attached to both ends of the nipple member to approach each other. CONSTITUTION:A cylindrical nipple member 2 is brought to sliding fit to an insert-through hole 3b provided on a bottom part 3a of a sleeve member 3. Thereafter, the nipple member 2 is placed in a recessed part 52a of a split mold 52 of a chuck 15, and also, the sleeve member 3 is fitted in between a holding pin 53 in a recessed part 52b of a sleeve holding tool 62 and a projection 52c and a split mold 51 of the chuck 15 is lowered, and the chuck 15 and the sleeve holding tools 61, 62 are closed. Subsequently, a punch 16 is made adjacent to the chuck 15 side, annular projecting parts 2a, 2b are formed in the nipple member 2 and the sleeve member 3 is fixed to the nipple member 2, and a joint member 1 consisting of the nipple member 2 and the sleeve member 3 is formed.

Inventors:
TAKENAKA KEIJI
GOTO FUMIO
NISHIKAWA MASAYUKI
KUBO NORIHISA
MYAZAKI TAKESHI
Application Number:
JP21770787A
Publication Date:
October 30, 1996
Filing Date:
August 31, 1987
Export Citation:
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Assignee:
TOYODA GOSEI KK
International Classes:
B21D22/02; B21D15/06; B21D19/08; B21D39/04; B21D39/06; F16L33/00; F16L33/20; F16L33/28; (IPC1-7): B21D39/06; B21D15/06; B21D19/08; B21D39/04
Domestic Patent References:
JP5083476A
JP55136526A
Attorney, Agent or Firm:
Kentaro Iida (1 person outside)



 
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