Water mattress construction

Details Water mattress construction Water mattress construction

1976-10-06

1978-07-18

Kannan, Philip C.

Beds

Bedsteads

Element or detail

A47C 2302, A47C 2304

Patent

active

041006348

ABSTRACT:
A water mattress construction is disclosed. The construction involves a folded one piece vinyl sheet wherein the various panels are joined at the vertical corners, along the lengthwise lower edges and side to side across the middle of the bottom. By so locating the seams, not only are all but the vertical corner seams supported directly by the mattress frame, but they are also removed from the upper area of the mattress which is generally subjected to flexing. A cappable fitting to facilitate filling and emptying of the mattress is included. The various panels are joined by overlapping the vinyl material, and subsequently heat-sealing them to produce strong lapped seams throughout.

REFERENCES:
patent: 2011703 (1935-08-01), Barker
patent: 3381889 (1968-05-01), Laskow
patent: 3682370 (1972-08-01), Rous
patent: 3753823 (1923-08-01), Kuss

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