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. 25, 1979
Filed:
Sep. 29, 1978
Ludwig Hartmann, Kaiserslautern, DE;
Ivo Ruzek, Kaiserslautern, DE;
Firma Carl Freudenberg, Weinheim, DE;
Abstract
In the manufacture of a shaped automobile carpet in which a spun nonwoven-fabric backing composed of two dissimilar types of polyester filaments is tufted, then provided on its back with a layer of a polymeric dispersion binder, and shaped in heated state, the improvement which comprises bonding to the underside of the carpet before shaping a spun nonwoven fabric having isotropic strength properties and a weight per unit area of about 20 to 60 g/m.sup.2. Advantageously, the spun nonwoven fabric is bonded to the underside by a layer of sintered polyethylene powder. Such carpet shows less spacing than heretofore between the tufts in critical zones of curvature.