Method of making a water bed

Details Method of making a water bed Method of making a water bed

1975-10-17

1977-03-15

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

B32B 3100

Patent

active

040122697

ABSTRACT:
A water bed for supporting a body thereon and which comprises upper and lower flat plastic sheets. A first rectangularly shaped continuous peripheral wall extends between and is sealed to the upper and lower sheets to form a water chamber therebetween. The first continuous wall is formed by adjoining four endwise connected segments along four rectangularly spaced corner margin. Each corner margin is formed by heat sealing two adjacent wall segments in the form of an arcuate shape with a reinforcing strip disposed over the corner margin and lap sealed to the two adjacent wall segments. The upper and lower walls extend beyond the first continuous peripheral wall and have flaps which extend in a vertically disposed direction to form a second continuous peripheral wall. These flaps are also lap sealed to each other in order to form the second continuous peripheral wall which thereby forms an air chamber surrounding the water chamber.

REFERENCES:
patent: 2076079 (1937-04-01), Gammeter
patent: 2281976 (1942-05-01), Hansen
patent: 3268381 (1966-08-01), Ishikawa
patent: 3575763 (1971-04-01), Ramsey
patent: 3778852 (1973-12-01), Penn et al.
patent: 3787907 (1974-01-01), Pennington et al.

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