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:
Apr. 18, 1989
Filed:
Jul. 23, 1987
Applicant:
Inventors:
Assignee:
Japan Styrene Paper Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; B29C / ;
U.S. Cl.
CPC ...
264 50 ; 264 37 ; 264 403 ; 264 404 ; 264 53 ; 264 85 ; 264D / ; 264D / ; 264D / ; 264D / ; 425 / ; 425140 ; 425146 ; 425149 ;
Abstract
This invention relates to a method and apparatus for improving not only the quality of the production of molded foamable thermoplastic resin particles converted into fusion-bonded materials but also the output by protecting the resin from atmospheric pressure by pressurizing the particles and heating the particles to soften the same.
Kuwabara, Hedeki. (1989). Method of production of expansion-molded article, from foamable (U.S. Patent No. 4822542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4822542
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile