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:
Dec. 13, 1988
Filed:
Feb. 24, 1987
Applicant:
Inventor:
Kazuo Nishikawa, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425206 ; 249160 ; 366 96 ; 366336 ; 425406 ; 425542 ; 4258 / ;
Abstract
An injection molding apparatus for making a molding of fiber-reinforced synthetic resin which comprises a mold assembly having a molding cavity defined therein, into which a liquid molding material of synthetic resin containing reinforcing fibers is injected. The mold assembly has a gate defined therein, which gate has a thickness within the range of 0.2 to 0.4 times the thickness of a portion of the molding adjacent the gate, and also has a gate land of a length within the range of 10 to 20 times the thickness of the gate.