Method for making elastic bandaging material

Details Method for making elastic bandaging material Method for making elastic bandaging material

1985-06-25

1988-04-12

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428231, 428247, 428248, 428249, 428252, 428258, 428259, 428261, 428264, 428265, 428266, 428343, 428352, 428354, 428906, 427381, 4273899, 427394, D03D 300

Patent

active

047374004

ABSTRACT:
A method of producing breathable, conformable, elastic, pressure-sensitive, permanently tacky, adhesive bandaging material from a fabric which has been formed by interweaving essentially non-stretch filling yarns with stretch and non-stretch warp yarns, said method comprising conveying a continuous web of said fabric in a substantially relaxed condition, applying steam to the relaxed fabric, and applying an adhesive layer to the back side of the relaxed fabric.
A breatable, conformable, elastic, pressure-sensitive, permanently tacky, adhesive bandaging material comprising a fabric formed by essentially non-stretch filling yarns interwoven with stretch and non-stretch warp yarns, the fabric normally being in a relaxed condition, an adhesive applied in a level layer to the entire back side of the relaxed fabric such that, in its relaxed state, the bandaging material has an adhesive layer which has a smooth exposed surface and a substantially uniform depth throughout, and such that, in its stretched state, the adhesive bandaging material has an adhesive layer which has a non-uniform, discontinuous surface and a depth which varies from being relatively great where the non-stretch warp yarns extend to the back side of the fabric to being relatively slight or even zero where the non-stretch warp yarns extend away from the back side of the fabric.

REFERENCES:
patent: 3618754 (1971-11-01), Hoey
patent: 4366814 (1983-01-01), Riedel
patent: 4424808 (1984-01-01), Schafer

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