Patent · US Expired

Transverse direction zipper tape

US6115892A · kind A · utility

39Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1999
Grant dateSep 12, 2000
Priority date
Expiry dateJul 16, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T24/45168
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A zipper strip for a reclosable package having a transverse zipper is provided. The zipper strip comprises a male interlocking profile and a female interlocking profile. Each profile includes an interlocking member and an integral web which defines a leading flange. The leading flanges are sealed to thermoplastic film material which is used to make the reclosable packages and to each other. One of leading flanges is provided with a perforation along its length so that it can be separated by pulling the profiles apart.

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