Tub apparatus

Details Tub apparatus Tub apparatus

1989-05-01

1991-01-01

Lewis, Michael L.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156193, B31C 900, B65H 8106

Patent

active

049815431

ABSTRACT:
Tub apparatus includes a foamed resiliently compressible plastic tub wall having an inner side and an outer side, the tub having an interior to receive liquid; a tensile liner adjacent the wall side, the liner and characterized in that it resists outward expansion in response to loading exerted by liquid filled into the tub interior; and including ports extending through the side wall and liner for circulating liquid between the interior of the tub and the exterior thereof. The plastic wall is typically locally heat cored in situ and provided with elbow fittings having venturis for efficient water, and water and air flow.

REFERENCES:
patent: 3300355 (1967-01-01), Adams
patent: 3337384 (1967-08-01), Wright
patent: 3923573 (1975-12-01), Hay
patent: 4118814 (1978-10-01), Holtom
patent: 4579617 (1986-04-01), Oberg

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