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:
Aug. 21, 2001
Filed:
Aug. 03, 1999
Applicant:
Inventors:
Albert Maria Vodermayer, Dietlikon, CH;
Jens Kärger, Winterthur, CH;
Hans Erlach, Winterthur, CH;
Assignee:
Sulzer Innotec AG, Winterthur, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/718 ;
U.S. Cl.
CPC ...
B29C 4/718 ;
Abstract
The method for the manufacture of sections of fiber-plastic compound materials is carried out by means of at least one draw nozzle (,). In this nozzle, fibers (,) which are impregnated with flowable plastic (,) are formed under pressure to a product (,) with a predetermined cross-section and consolidated with the withdrawal of heat. The cross-sectional surface of the draw nozzle is periodically increased and decreased in time in its entire shape imparting region, with a value for the frequency of the oscillating cross-sectional surface being chosen less that 1 kHz, preferably less than 100 Hz.