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. 08, 1992
Filed:
Jul. 26, 1991
Applicant:
Inventor:
Peter Brams, Munich, DE;
Assignee:
Krauss-Maffei Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
4251 / ; 4251 / ; 425550 ; 264 26 ;
Abstract
A plastifying worm for an extruder or injection-molding system utilizes a worm cylinder and a worm or worm core as outer and inner electrodes to which high-frequency energy is applied for direct high-frequency dielectric heating of a thermoplastic synthetic resin. Between the electrodes is disposed an insulator.