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:
May. 08, 2001
Filed:
Dec. 16, 1996
Applicant:
Inventors:
Carsten Kliwer, Nienhagen, DE;
Christoph Kittel, Nienhagen, DE;
Assignee:
Stankiewicz GmbH, Adelheidsdorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
B29C 6/720 ;
U.S. Cl.
CPC ...
B29C 6/720 ;
Abstract
For manufacturing a composite foam, having acoustic properties, foam flakes (,) of differing sizes, differing origins, and/or differing material compositions are wetted with a small quantity of a polyurethane dispersion binding agent. The mixture is subsequently combined to a molded part (,) or to continuous web and under the effect of hot (water) steam or microwave energy is cured and subsequently dried. The composite foam can be used for sound insulation purposes in vehicles and in general machinery construction, and also in building construction.