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:
Sep. 28, 2010
Filed:
May. 16, 2006
Changqing Shen, Lakewood, CO (US);
Lester M. Aseere, Parker, CO (US);
ChangQing Shen, Lakewood, CO (US);
Lester M. Aseere, Parker, CO (US);
Johns Manville, Denver, CO (US);
Abstract
A process is described for treating a nonwoven fabric to improve the gripping ability of the fabric during the preparation of tufted carpets. The process includes the steps of applying an elastomeric binder to the fabric, treating the fabric to provide a series of depressions or holes in a pattern consistent with the tufting needle pattern to be subsequently applied, and then curing the binder. The resultant fabric has a pattern of holes or depressions which are essentially free of binder with excess binder squeezed from the depressions forming rings around the depressions. When the tufting needle is inserted into the depression or hole, the elastomeric ring surrounding the hole expands. Upon retraction of the needle, the elastomeric ring contracts and exerts a firm grip on the tuft in the hole.