Patent · US Expired

Method and apparatus for facilitating the withdrawal of strand from wound packages

US4673140A · kind A · utility

8Cited by
8References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 18, 1986
Grant dateJun 16, 1987
Priority date
Expiry dateSep 18, 2006

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2701/31
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The present invention pertains to method and apparatus for facilitating the withdrawal of strand from the interior of a wound package a strand comprising biasing a movable manifold means against a portion of the arcuate periphery of the package, the manifold means having an apertured section in contact with the package; and drawing a vacuum in the manifold means effective to retain the strands at the periphery of the package until withdrawn to facilitate the complete withdrawal of the strand from the package.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.