Title:
CONTINUOUS RIVETER AND METHOD OF CONTINUOUSLY CAULKING BLIND RIVETS
Document Type and Number:
WIPO Patent Application WO/2005/007318
Kind Code:
A1
Abstract:
A continuous riveter capable of continuously hammering blind rivets to caulk sheet metal layers or the like. Disposed in an oil cylinder (1) with an oil piston (2) defining an oil chamber (6) for the oil cylinder (1) and an air chamber (4) for an air cylinder (3) are a seal member (71) positioned on the oil chamber (6) side and a seal member (72) positioned on the air chamber (4) side, with an air passage hole (19) formed in the oil cylinder (1) between the two seal members (71, 72). Further, the jaw case piston (20) and nose piston (28) are provided with seal members (74, 76) positioned on the oil chamber (16) side and seal members (73, 77) positioned on the air chamber (14, 15) side for sealing the space between the oil chamber (16) and the air chamber (14, 15). And the pistons (20, 28) between the two seals (74, 76) and (73, 77) are provided with air passage holes (75, 78), respectively.
Inventors:
OHUCHI MASATOSHI (JP)
Application Number:
PCT/JP2003/009214
Publication Date:
January 27, 2005
Filing Date:
July 18, 2003
Export Citation:
Assignee:
OPT ENG CO LTD (JP)
OHUCHI MASATOSHI (JP)
OHUCHI MASATOSHI (JP)
International Classes:
B21J15/06; B21J15/22; B21J15/34; (IPC1-7): B21J15/10; B21J15/32
Foreign References:
| JP2003103336A | 2003-04-08 | |||
| US20010054221A1 | 2001-12-27 | |||
| US4515005A | 1985-05-07 | |||
| US6301948B1 | 2001-10-16 | |||
| US4648258A | 1987-03-10 | |||
| US4704888A | 1987-11-10 | |||
| US4598571A | 1986-07-08 | |||
| US4118969A | 1978-10-10 |
Attorney, Agent or Firm:
Shimizu, Sadanobu (1-14 Shinjuku 2-chom, Shinjuku-ku Tokyo, JP)
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