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, 2012
Filed:
Jun. 01, 2009
Applicant:
Christian Schlummer, Zurich, CH;
Inventor:
Christian Schlummer, Zurich, CH;
Assignee:
Sulzer Chemtech AG, Winterthur, CH;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 44/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The apparatus for the production of foams includes an extrusion device for the plastification of a polymer melt, a heat exchanger for the cooling of the polymer melt, and also a connection piece for the connection of the extrusion apparatus to the heat exchanger. The connection piece contains a metering device for the introduction of a foaming agent into the polymer melt.