1
Melvin O Kalleberg: Separable fastener and article for making same. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, William L Huebsch, September 22, 1981: US04290174 (123 worldwide citation)

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 o ...


2
James N Brown, Melvin O Kalleberg: Two strip materials used for forming fasteners. Minnesota Mining and Manfacturing Company, Cruzan Alexander, Donald M Sell, William L Huebsch, April 6, 1982: US04322875 (81 worldwide citation)

Two strip materials from which portions may be severed and used together as a releasably engageable fastener. Each strip material comprises a bonding layer in which are embedded a plurality of U-shaped monofilaments. Each U-shaped monofilament includes two headed stem portions adapted to engage the ...


3
Melvin O Kalleberg: Method for making fasteners. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, William L Huebsch, September 22, 1981: US04290832 (47 worldwide citation)

A method for forming a strip material useful as part of a fastener. The method steps comprise moving two backing layers from opposite directions around guides and away from the guides in parallel paths, feeding monofilaments between the guides, pressing the monofilaments first into engagement with o ...


4

5

6