04290174 is referenced by 123 patents and cites 18 patents.

A fastener comprising two articles adapted for releasable engagement. At least one of the articles comprises a backing with a non-fibrous polymeric surface bonding layer in which are bonded a plurality of U-shaped flexible resilient monofilaments of longitudinally oriented polymeric material. Each of the monofilaments includes two stem portions projecting from the surface bonding layer and terminating in enlarged heads having outer cam surfaces adapted to engage the other article.

Title
Separable fastener and article for making same
Application Number
714132
Publication Number
4290174
Application Date
January 13, 1978
Publication Date
September 22, 1981
Inventor
Melvin O Kalleberg
Minneapolis
MN, US
Agent
William L Huebsch
Donald M Sell
Cruzan Alexander
Assignee
Minnesota Mining and Manufacturing Company
MN, US
IPC
A44B 18/00
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