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US 4,762,124 AGranted
Liquid dispensing pouch
AssigneeKimberly-Clark Corporation
InventorsMartha E. Kerch, Louis S. Hoffman
Life of this patent
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Abstract
A liquid dispensing pouch in which a support, a liquid impregnated pad, permeable membrane and cover layer are peripherally joined in a layered arrangement by adhesive or heat seal means. The layers are coextensive and the impregnated pad is contoured to provide enhanced liquid-holding capabilities. The liquid is dispensed by peeling off the cover layer and bringing the membrane surface into contact with the skin.
Claims9
A flexible liquid-dispensing pouch consisting essentially of the following coterminous layers joined peripherally:
- (1) an absorbent layer impregnated with the liquid which is to be dispensed, said layer having an upper surface and a lower surface with the upper surface consisting essentially of a centrally disposed flat portion circumscribed by a continuous sidewall and including a circumjacent attenuated border which extends laterally from the base of said sidewall to the peripheral edge;
- (2) an impermeable support layer bonded to the lower surface of the absorbent layer;
- (3) a membrane layer disposed on the upper surface of the absorbent layer and extending laterally to form a marginal border which is sealingly joined to the attenuated border of the absorbent layer;
- and
- (4) an impermeable cover layer removably secured to the marginal border of the membrane layer for dispensing purposes.
2 more elements
Dependencies are inferred from the claim text.