The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 1992
Filed:
May. 16, 1990
Applicant:
Inventors:
Toshiyuki Kanai, Hanishina, JP;
Nobuo Shinnoh, Hanishina, JP;
Assignee:
Nissei Jushi Kogyo Kabushiki Kaisha, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; F16L / ;
U.S. Cl.
CPC ...
428167 ; 285349 ; 285352 ; 285910 ; 285336 ; 285350 ; 428 64 ; 428 57 ; 428139 ; 428157 ; 428161 ; 428163 ; 428172 ; 428192 ; 4284777 ; 428451 ;
Abstract
In the present invention, when a multi-injection molded body made of at least a first and a second resins is molded, catching means are formed generally by pressing a part of the surface about an opening of a concave section formed in a first molded body made of the first resin to project interior side wall faces of the concave section inward, and injecting a second resin to mold a second molded body thus formed has catching means in the concave section, so that the second molded body is tightly fixed to the first molded body.