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:
Jul. 19, 2005
Filed:
Feb. 27, 2003
Applicants:
Hans-georg Geus, Niederkassel-Rheidt, DE;
Detlef Frey, Niederkassel, DE;
Peter Schlag, Troisdorf, DE;
Inventors:
Hans-Georg Geus, Niederkassel-Rheidt, DE;
Detlef Frey, Niederkassel, DE;
Peter Schlag, Troisdorf, DE;
Assignee:
Reifenhauser GmbH & Co. Maschinenfabrik, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C055/00 ;
U.S. Cl.
CPC ...
Abstract
A spun-bond web-making apparatus has the cooling passage below the spinneret provided with a plurality of air chamber sections which are supplied with air at different temperatures, the cooling passage being connected to the drawing unit for aerodynamic stretching of the filaments without a gap through which external air can be supplied.