Patent · US Expired

Adhesive channel closure for flexible bags

US4519095A · kind A · utility

46Cited by
8References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 9, 1983
Grant dateMay 21, 1985
Priority date
Expiry dateDec 9, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D33/20
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A closure suitable for use with a flexible bag, such as a sandwich bag where the closure comprises at least one female strip affixed to a first surface, the channel having a layer of pressure sensitive adhesive less than the depth or the interior height of the channel and located on an internal portion of the channel, and a second surface, whereby the seal is formed by contacting the pressure sensitive adhesive layer in the channel with a portion of the second surface.

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