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:
Sep. 26, 1978
Filed:
Oct. 14, 1975
Applicant:
Inventors:
Heinrich Koch, Siegburg, DE;
Josef Lehnen, Bad Soden bei Salmunster, DE;
Assignees:
Other;
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
264349 ; 366 69 ; 264102 ; 2641 / ; 264329 ; 425208 ;
Abstract
A process and apparatus for the production of materials preplasticized to their final density from high molecular weight powder-form completed mixtures, which are directly used as starting product for subsequent final processing, wherein the powder mixture is conveyed along a helical compression screw and subjected to accelerated compression and, at the same time, preplasticized at a temperature which corresponds to the material temperature required for final processing.
Koch, Heinrich. (1978). Process for the production of preplasticized materials (U.S. Patent No. 4117073). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4117073
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile