Reinforced corner for waterbed mattress

Details Reinforced corner for waterbed mattress Reinforced corner for waterbed mattress

1988-10-20

1990-04-10

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

156157, 156292, 1563043, A47C 2708

Patent

active

049147617

ABSTRACT:
An improved corner for a waterbed mattress includes a first layer of vinyl forming the corner with a seam disposed generally linearly along the corner. The seam is formed of two portions of the vinyl heat welded together along the seam. A second layer or patch of vinyl is welded to the first layer by a weld which encircles and is spaced from the seam in the first layer.

REFERENCES:
patent: 3753823 (1973-08-01), Kuss
patent: 3780388 (1973-12-01), Thomas et al.
patent: 3918110 (1975-11-01), Cantillo et al.
patent: 4221625 (1980-09-01), Fraige
patent: 4251308 (1981-02-01), Miller
patent: 4611357 (1986-09-01), Chelin
patent: 4745649 (1988-05-01), Wang

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