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:
May. 08, 2001
Filed:
Oct. 26, 1999
Hans Raasch, Mönchengladbach, DE;
W. Schlafhorst AG & Co., , DE;
Abstract
A device for opening slivers (,) for feeding an OE spinning device (,), comprising a sliver feed device defining a sliver clamping position (,), a rotating opening roller (,) having a circumference with spirally extending combing elements (,) for engaging at the clamping position (,) into a sliver being fed by the sliver feed device. In order to improve the opening of the sliver, a support roller (,) also having spirally extending combing elements (,) is arranged in the direction of fiber feeding after the clamping position (,) with its combing elements (,) extending into the intermediate spaces between the spirally extending combing elements (,) of the opening roller (,) and rotates counter to the opening roller (,) for combing sliver therewith in a common effective range (,).