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:
Jun. 06, 1995
Filed:
Nov. 08, 1993
Applicant:
Inventors:
Ernst Kruger, Georgsmarienhutte, DE;
Helmut Habisohn, Leopoldsdorf, AT;
Assignee:
Friedrich Theysohn GmbH, Langenhagen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ; B29C / ;
U.S. Cl.
CPC ...
264 26 ; 26421123 ; 264349 ; 264D / ; 4251 / ; 425205 ; 425208 ; 425D / ;
Abstract
A method of thermoplastifying a synthetic resin which is displaced by a worm in a worm housing. High-frequency energy is applied to the plastic in one or more regions along the path of the plastic in which there is no or little frictional heat generated by the interaction of the screw with the housing.