Whirlpool tub and method of making same

Details Whirlpool tub and method of making same Whirlpool tub and method of making same

1975-03-10

1977-01-04

Aegerter, Richard E.

Baths, closets, sinks, and spittoons

Dry closets

With heating meas

156253, A61H 3302

Patent

active

040005283

ABSTRACT:
A whirlpool tub for relaxation or hydrotherapeutic use characterized by a synthetic resinous shell having a plurality of spaced apart apertures in the bottom wall in communication with an air distribution channel formed in the rigidifying backing board conventionally used in plastic bathtubs. The channel in the backing board is connected to an air inlet which in turn is adapted for connection to a source of air under pressure. The method of manufacturing such a tub in which the air distribution channels are disposed within the backing board permits simplified manufacturing techniques compatible with existing mass production practices by which bathtubs are currently produced.

REFERENCES:
patent: 2856611 (1958-10-01), Velonis
patent: 3251071 (1966-05-01), Wood
patent: 3467969 (1969-09-01), Szekely

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