Polymeric foam cushioning article and method for making the same

Details Polymeric foam cushioning article and method for making the same Polymeric foam cushioning article and method for making the same

1977-08-22

1979-04-03

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

5337, 428 71, 428 76, 428311, 428315, 428425, 428906, B32B 310, A47G 900

Patent

active

041478258

ABSTRACT:
A cushioning article, such as a pillow or the like, having good comfort and support qualities with reduced material waste made from open-cell polymeric foam materials. The article may be made from a single strip-like piece of such material of a step-wise decreasing width construction, by wrapping and securing the strip to provide a closed multi-layered structure, to provide a composite, unitary structure of stereo-elliptical shape. The multi-layered construction is comprised of a layered combination of conventional and high-resiliency polyurethane foam having a predetermined number of apertures in at least some of the layers.

REFERENCES:
patent: 2688070 (1954-08-01), Freedlander
patent: 2878153 (1959-03-01), Hacklander
patent: 3047888 (1962-08-01), Shecter et al.
patent: 3221356 (1965-12-01), Schirmer
patent: 3222695 (1965-12-01), Brown
patent: 3290704 (1966-12-01), Willis
patent: 3394414 (1968-07-01), Unger
patent: 3446691 (1969-05-01), Mundie
patent: 3471350 (1969-10-01), O'Berry et al.
patent: 3530020 (1970-09-01), Lieberman
patent: 3555580 (1971-01-01), Willis
patent: 3746592 (1973-07-01), Nystrand
patent: 3849225 (1974-11-01), Haertle
patent: 3858257 (1975-01-01), Young
patent: 3927504 (1975-12-01), Forrister
patent: 3937425 (1976-02-01), Harvey

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