05154086 is referenced by 22 patents and cites 5 patents.

An apparatus and method for measuring the tactility of a zipper of a reclosable thermoplastic zippered bag of the type described in commonly-assigned U.S. Pat. No. 5,070,584, including an opposed pair of mechanical fingers defining a gap therebetween through which the zipper is made to pass, means associated with the opposed pair of mechanical fingers for continuously measuring the resistance of the male and female profiles to being interlocked by such fingers as the zipper passes through the gap defined between such fingers, and means for recording, graphing, displaying and/or analyzing these measurements.

Title
Method and apparatus for measuring closure forces and variances therein associated with reclosable thermoplastic zippered bags
Application Number
7/723354
Publication Number
5154086
Application Date
June 28, 1991
Publication Date
October 13, 1992
Inventor
James R Wigle
Newark
OH, US
Ralph L McCartney
Thornville
OH, US
James R Hendershot
Newark
OH, US
Gary A Douglass
Newark
OH, US
James C Cummins
Heath
OH, US
Francis D Biel
Newark
OH, US
Arnold M Bartz
Granville
OH, US
Brian C Dais
Midland
MI, US
Jose Porchia
Midland
MI, US
Assignee
Dowbrands
IN, US
IPC
G01N 3/08
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