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:
Feb. 03, 2004
Filed:
Aug. 20, 2002
Applicant:
Inventor:
Georg Weihrauch, Wald-Michelbach, DE;
Assignee:
Coronet-Werke GmbH, Wald-Michelbach, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65C 2/100 ;
U.S. Cl.
CPC ...
B65C 2/100 ;
Abstract
The invention relates to a method for producing a cleaning or application sponge which is characterized by foaming a sponge body in a molding tool ( ) to the substantially final shape of the sponge. The outer surface of the sponge body has in at least some areas a solidified skin ( ) that can be at least partially removed in a subsequent process step. The sponge body may also have a closed-cell structure that is partially revealed in a subsequent process step.