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. 27, 1994
Filed:
Feb. 09, 1993
Bernd Hewing, Ochtrup, DE;
Siegfried Broda, Haltern, DE;
2H Kunststoff GmbH, Ochtrup, DE;
Abstract
A method for the manufacture of a component unit for heat exchanger, substance exchanger and/or bioreactor systems, with at least two walls joined together and composed of structured thermoplastic sheets, wherein a fused strip issuing from a melt shaping tool on the extruder head of an extruder is introduced, after passing through a precooling distance L, continuously into a strip molding press, and wherein the fused strip is continuously shaped in the strip molding press to form a structured plastic sheet and set by cooling. An apparatus for the practice of the method, wherein a melt shaping tool disposed on the extruder head, a continuously driven strip molding press, a system for the severing, stacking and/or winding and/or folding of the plastic sheets produced, and a cyclically operated bonding system are provided.