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:
Jul. 02, 1991
Filed:
Oct. 02, 1989
Masahiro Nakamichi, Sodegaura, JP;
Idemitsu Petrochemical Company Limited, Tokyo, JP;
Abstract
The present invention provides an injection molded food container which is produced by injection molding a polyarylene sulfide resin composition containing 20-70% by weight of glass fiber or glass fiber and other inorganic filler and is excellent in heat resistance, oil resistance and mechanical strength and is suitable as a food container used in microwave oven and convection oven having a heater. The injection molded food container can be manufactured by injection molding a polyarylene sulfide resin composition containing 20-70% by weight of glass fiber or glass fiber and other inorganic filler, using metal mold of which surface roughness is not greater than 5 .mu.m, under condition of mold temperature 130.degree.-180.degree. C.