Patent · US Expired

Laminated hook fastener

US6248419A · kind A · utility

59Cited by
24References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 1998
Grant dateJun 19, 2001
Priority date
Expiry dateSep 29, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/184
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An extruded hook fastener strip is created on a roll having hook forming cavities in its surface by extruding plastic material into the interface between the forming roll and a second strip carried by a backing roll. The second strip is firmly bonded to the fastener strip on that side opposite the formed hooks.

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