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:
Nov. 09, 1993
Filed:
Jan. 08, 1992
Applicant:
Inventors:
Tsuneaki Iwakiri, Kanagawa, JP;
Toshiaki Izumida, Kanagawa, JP;
Masanori Iwaki, Kanagawa, JP;
Chikara Sadano, Kanagawa, JP;
Assignee:
Mitsubishi Gas Chemical Co., Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264-14 ; 264 25 ; 264235 ; 264346 ;
Abstract
A process for producing a resin molded article having a diminished residual stress, which includes heating an injection-molded article of a thermoplastic resin by means of a combination of far infrared radiation with far infrared ray having a frequency of from 10.sup.11 to 10.sup.14 Hz and hot-air flow, thereby to diminish a residual stress in the molded article in a short period of time.