Title:
PRODUCTION METHOD FOR HIGH-AIR-TIGHTNESS PLASTIC CHUCK AND HIGH-AIR-TIGHTNESS PLASTIC CHUCK
Document Type and Number:
WIPO Patent Application WO/2005/048763
Kind Code:
A1
Abstract:
A method of continuously producing a high-air-tightness plastic chuck that has an easy-to-peel plastic layer extending in the length-wise direction of the plastic chuck and welded by a ultrasonic wave with a peeling strength at the welded portion kept uniform, the method comprising the steps of inserting the portion, where an easy-to-peel plastic layer is present, of the plastic chuck into between a ultrasonic horn and an anvil with an engaging portion kept engaged, and fusion-bonding the easy-to-peel plastic layer by using a ultrasonic wave with the interval L between the ultrasonic horn and the anvil kept as H ≥ L ≥ 0.85H, where H is the maximum thickness of the plastic chuck in an engaging state.
Inventors:
KASAI JUICHI (JP)
Application Number:
PCT/JP2004/016725
Publication Date:
June 02, 2005
Filing Date:
November 11, 2004
Export Citation:
Assignee:
KASAI JUICHI (JP)
International Classes:
B31B19/90; B65D33/25; (IPC1-7): A44B19/42; A44B19/16; A44B19/26; B65D33/25
Domestic Patent References:
| WO2002038459A1 | 2002-05-16 | |||
| WO2003022697A1 | 2003-03-20 | |||
| WO2002047993A1 | 2002-06-20 |
Foreign References:
| JP2001286308A | 2001-10-16 | |||
| JPH05505325A | 1993-08-12 | |||
| JP3000905U | 1994-08-16 | |||
| JPH11198233A | 1999-07-27 | |||
| JP2003128090A | 2003-05-08 | |||
| JP2004196324A | 2004-07-15 |
Other References:
See also references of EP 1685773A4
Attorney, Agent or Firm:
Minaka, Eiji (25-12 Asakusabashi 5-chome, Taito-k, Tokyo 53, JP)
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