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:
Mar. 22, 1977
Filed:
Apr. 25, 1975
Niels Warncke, Metzkausen, DT;
Wolfgang Johst, Gevelsberg, DT;
Dr. Carl Hahn GmbH, Dusseldorf, DT;
Abstract
An improvement in an apparatus for winding a batt of material in strip form carrying a free end of a withdrawal tape to form a rolled body thereof having withdrawal tape attached thereto which comprise a forked shaped totatable winding mandrel having fork tines, means for moving said winding mandrel back and forth in the plane of movement of said batt of material said fork tines positioned so as to straddle the longitudinal side of said batting material which carries the free end of the withdrawal tape with it, the improvement residing in that said winding mandrel contains an interior bore lengthwise thereof which bore is connected to a vacuum source means for transporting said batt of material in rolled form from said winding mandrel to a subsequent work station disposed on the side of the so-formed roll that carries the free end of the withdrawal tape.