Water pillow

Details Water pillow Water pillow

1988-05-10

1989-07-18

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5450, 5451, A47G 900, A47C 2708

Patent

active

048479314

ABSTRACT:
The present invention relates to a pillow having a thin envelope layer adjacent a bottom surface isolated from the top surface of the pillow by compressible filler material. It has been found that this thin envelope layer filled with a suitable fluid with the compressible filler thereabove greatly improves the comfort of the pillow and the size of the envelope can be reduced. By so positioning the envelope, the range of deformation and orientation of the envelope is reduced.

REFERENCES:
patent: 587224 (1897-07-01), McKelvey
patent: 2521530 (1950-09-01), McGuffage
patent: 3411164 (1968-11-01), Sumergrade
patent: 3702484 (1972-11-01), Tobinick et al.
patent: 3766579 (1973-10-01), Shields
patent: 3802004 (1974-04-01), Whitney
patent: 4301560 (1981-11-01), Fraige
patent: 4330893 (1982-05-01), Matsui
patent: 4370769 (1983-02-01), Herzig et al.
patent: 4399575 (1983-08-01), Hall
patent: 4638518 (1987-01-01), Barbulla
"Liberty" An Ad on Page 87 of the Flotation Sleep Industry Magazine, Jun. 1982 Issue.

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