Foam material body for a mattress, and element of furniture prov

Details Foam material body for a mattress, and element of furniture prov Foam material body for a mattress, and element of furniture prov

1980-09-19

1983-08-09

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5468, A47C 2715

Patent

active

043970532

ABSTRACT:
A foam material body for a mattress has a core member having two supporting surfaces and provided with a plurality of recesses in each of said surfaces, wherein each of the recesses has an initial recess portion which is open at a respective one of the supporting surfaces, two deeper recess portions extending from the initial portion inwardly from the same and away from one another, and two narrow recess portions each connecting the initial recess portion with a respective one of the deeper recess portions. Each of the recesses has a depth which is smaller than half the thickness of the core member.

REFERENCES:
patent: 2763013 (1956-09-01), Valkenburgh
patent: 3538521 (1970-11-01), Basner
patent: 3885257 (1975-05-01), Rogers
patent: 4070719 (1978-01-01), Murgan
patent: 4229847 (1980-10-01), Degen

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