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. 24, 1984
Filed:
Sep. 13, 1982
Applicant:
Inventors:
David N Jones, Long Valley, NJ (US);
Urho S Haapala, Middlesex, NJ (US);
Leonard S Scarola, Union, NJ (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ; B29B / ;
U.S. Cl.
CPC ...
2641 / ; 264349 ; 264D / ; 425207 ; 4253 / ;
Abstract
Process for the plasticization and pumping of low bulk density synthetic thermoplastic materials through extrusion die means employing a mixer type extruder, the extrudate from said extruder is passed through a rotary melt pump and the molten material is discharged therefrom through a die member.