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Title:
CYLINDRICAL BODY AND METHOD OF INJECTION MOLDING OF THE SAME
Document Type and Number:
WIPO Patent Application WO/1994/025243
Kind Code:
A1
Abstract:
The invention relates to a lengthy cylindrical body and a method of injection molding of the same, in which the lengthy cylindrical body has a smooth surface and a substantially uniform wall thickness in circumferential and longitudinal directions, and can be formed from a thermoplastic resin by injection molding.

Inventors:
KURODA RIKIO (JP)
NISHIMURA SADAHIRO (JP)
HASHIMOTO AKIO (JP)
Application Number:
PCT/JP1994/000724
Publication Date:
November 10, 1994
Filing Date:
April 28, 1994
Export Citation:
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Assignee:
NIPPON PETROCHEMICALS CO LTD (JP)
KURODA RIKIO (JP)
NISHIMURA SADAHIRO (JP)
HASHIMOTO AKIO (JP)
International Classes:
B29C45/26; B29C45/27; B29C45/36; (IPC1-7): B29C45/00; B29D23/22
Foreign References:
JPS5298770A1977-08-18
JPH03226462A1991-10-07
JPS56156595A1981-12-03
JPS6267327A1987-03-27
JPH01135608A1989-05-29
Other References:
See also references of EP 0654338A4
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