Cushioned toilet seat with inner tube

Details Cushioned toilet seat with inner tube Cushioned toilet seat with inner tube

1979-08-16

1981-01-13

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

4234, 4237, 5449, 5450, 5451, 156118, 156121, 156145, 156146, 156156, 156212, 156245, 156251, 156285, 264 464, 264 465, 297452, 297458, 297DIG1, 297DIG3, 428 68, 428 71, 428134, 428136, 428137, 428138, 428322, B32B 518, B32B 3114, B32B 3102, B32B 520, A47K 1302, A47C 720

Patent

active

042447640

ABSTRACT:
A cushioned toilet seat is made by first forming a sealed air-and-water tight annular inner tube having a configuration corresponding to that of the end product, then vacuum forming an annular recess or cavity in a first sheet of a cover material, then placing the previously formed sealed inner tube into the annular cavity, then placing a rigid annular member into the cavity on top of the inner tube, then placing a flat sheet of cover material over the cavity, and sealing it closed. Variations are disclosed in one of which the inner tube is filled or partially filled with a polyurethane foam produced by placing a quantity of expandable foamable polyurethane resin reaction mixture in the inner tube before sealing and then sealing the inner tube closed before the foam is fully expanded. In another embodiment, the inner tube is filled or partially filled with water.

REFERENCES:
patent: 2671226 (1954-03-01), Lychenheim
patent: 3043049 (1962-07-01), Gleason
patent: 3379800 (1968-04-01), Wert
patent: 3640831 (1972-02-01), Gardner et al.
patent: 4155127 (1979-05-01), Seiderman

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