Weatherstripping produced by tufting with flattened knuckles

Details Weatherstripping produced by tufting with flattened knuckles Weatherstripping produced by tufting with flattened knuckles

1984-08-14

1986-11-25

McCamish, Marion E.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

156 72, 156435, 428 85, 428 92, 428 96, 428 97, D04H 1100

Patent

active

046248781

ABSTRACT:
A method of manufacturing weatherstripping includes tufting synthetic yarn into a primary backing fabric to form tufts on one side thereof and tuft "knuckles" on the other side. Then, the tuft knuckles are contacted with a heated surface of controlled temperature to deform and flatten them, the combined thickness of the primary backing and the tuft knuckles thus being reduced and the tufts being more securely attached to the primary backing. Preferably, there is relative motion between the tuft knuckles and the heated surface to effect a smearing of the tuft knuckles onto the primary backing. The flattened tuft knuckles may form a thin continuous strip adhering to the primary backing and locking the tufts thereto.

REFERENCES:
patent: 2994929 (1961-08-01), Kessler
patent: 3175256 (1965-03-01), Horton
patent: 3404487 (1968-10-01), Johnson
patent: 3745053 (1973-07-01), Johnson et al.
patent: 3836421 (1974-09-01), Terry et al.

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