Reinforced film and method of manufacturing same

Details Reinforced film and method of manufacturing same Reinforced film and method of manufacturing same

1992-07-22

1995-03-21

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156176, 156324, 427366, 428247, 428340, B32B 526, B32B 3120, B32B 3300

Patent

active

053994191

ABSTRACT:
A reinforced, impervious, unitary film and a method for making the same are disclosed. In a preferred embodiment, a film is produced from a layer of weft inserted warp knit scrim and at least one layer of lightweight, porous mat, together being impregnated with a suitable thermoformable plastic in liquid form such as PVC plastisol, then being set and calendered under pressure to deform the plastic and create a continuous, non-porous, unitary film. The resulting product is highly resistant to water absorption and hydrostatic pressure and essentially non-wicking.

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