Title:
筒状射出成形体およびその用途
Document Type and Number:
Japanese Patent JP3558956
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cylindrical injection-molded object, which is excellent in packing properties, generates no air bubbles and is extremely useful as a joint or seal member for the automatic ice machine of a refrigerator, and an injection mold which can mold a cylindrical molded object having undercut- shaped pleats stably and continuously without generating molding failure and relying on labor. SOLUTION: The cylindrical injection-molded object, especially the cylindrical injection-molded object made of a thermplastic elastomer has a cylindrical body part, the cylindrical packing part formed to one end part of the body part and the undercut-shaped pleats which are projected into the cylinder of the packing part and formed so as to be inclined toward the cylindrical body part.
Inventors:
Shuji Fujiwara
Michihiro Ishiguro
Michihiro Ishiguro
Application Number:
JP2000123962A
Publication Date:
August 25, 2004
Filing Date:
April 25, 2000
Export Citation:
Assignee:
Kuraray Plastics Co., Ltd.
International Classes:
B29C45/44; B29C45/00; B29K9/00; B29K21/00; B29L24/00; (IPC1-7): B29C45/00; B29C45/44
Domestic Patent References:
| JP62189129A | ||||
| JP10146868A | ||||
| JP10202705A | ||||
| JP7186158A |