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:
Dec. 07, 2004
Filed:
Feb. 27, 2001
Applicant:
Inventors:
Volker Benz, Hoechst, DE;
Manfred Rimpl, Otzberg-Lengfeld, DE;
Assignee:
Roehm GmbH & Co. KG, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 ; B32B 3/102 ; B65C 9/25 ;
U.S. Cl.
CPC ...
B32B 7/02 ; B32B 3/102 ; B65C 9/25 ;
Abstract
Flat composites of plastic are manufactured by thermal adhesive bonding of at least two plastic parts which are heated at their surfaces and which comprise a base material coated with a plastic layer, wherein the Vicat softening point of the plastic of layer is 5 to 40° C. lower than that of the base material, wherein the base material has a thickness of 1 to 200 mm and the plastic layer has a thickness of 5 to 400 &mgr;m, and each of the parts is heated on the surfaces coated with the plastic layer and then welded under pressure.