Stock material or miscellaneous articles – Pile or nap type surface or component – Nap type surface
Patent
1975-01-16
1976-08-03
Cannon, J.C.
Stock material or miscellaneous articles
Pile or nap type surface or component
Nap type surface
156 732, 156148, 156290, 156306, 156309, 219212, 219529, 219549, 428105, 428114, 428175, 428179, 428198, 428235, 428239, 428247, 428252, 428286, 428287, 428288, 428293, 428296, 428300, 428301, B32B 506, B32B 508, B32B 512, B32B 2704
Patent
active
039730662
ABSTRACT:
An electric blanket shell is composed of first and second-needled textile fabrics with a yarn layer disposed in at least one of the needled fabrics. The yarn layer has a plurality of first planar yarns extending generally in a first planar direction. A heat-fusible component is disposed in at least one of the needled fabrics. A plurality of small, discrete sonically or ultra-sonically-produced fusion bonds, spaced from each other, link the needled fabrics to form a blanket shell. The fusion bonds form a series of patterns across a planar dimension of the blanket shell and the patterns define a series of channels, for receiving heating wires, between the needled fabrics. The patterns of fusion bonds are disposed in a direction transverse to the direction of the first planar yarns. The fusion bonds of any one pattern do not engage more than about 50% of the first planar yarns and overlaps of fusion-bond patterns are substantially avoided.
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Adkins Allen H.
Roth, Jr. Thomas M.
Smith, II Alexander M.
Cannon J.C.
The Fiberwoven Corporation
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