Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1987-11-04
1989-08-29
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
24306, 24442, 24444, 24448, 156243, 156500, 428 93, 428100, B32B 3108
Patent
active
048613991
ABSTRACT:
Apparatus and methods for producing a novel fastener means of the type having a plurality of fastening means extending from bight portions 60 bonded to a backing material 48. Products fabricated with the novel fastener means. The apparatus generally comprises means for drawing an array of filaments 46, or other material, onto a forming wheel 14 having a plurality of grooves 28, and land zones 30 between the grooves, means for positioning a plurality of pins 42 against the filaments 46 and aligned with the grooves 28, means for urging the pins 42 into the grooves 28 and thereby forming loops 50 in the filaments 46, and means for placing a backing material 48 against the filaments 46 and bonding the backing material to the filaments at spaced locations. Pins 42 are trapped in spaces 53 between the filaments 46 and the backing material 48. The apparatus further includes means for releasing the pins from the spaces. A novel nip comprises the rotatable forming wheel 14, a backing means 16, and the pins 42 which are mounted for passing between the forming wheel and the backing means in alignment with the grooves 28. The nip also comprises means for advancing the pins through the nip, such that the pins are urged into the grooves during the advance through the nip. Also disclosed are methods for producing fastening elements, methods for processing filaments, methods for producing fastening components, methods for forming loops in material, including filaments, and methods for bonding loops of filaments to a backing material at spaced locations on the backing material; all using the apparatus of the invention. Further there are disclosed novel fastening materials and products produced by the apparatus and methods disclosed in the invention.
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King Lon M.
Rajala Gregory J.
Chiatalas John L.
Dawson Robert A.
Kimberly-Clark Corporation
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