Resilient foam cushion structure

Details Resilient foam cushion structure Resilient foam cushion structure

1976-06-21

1978-09-05

Gilliam, Paul R.

Beds

Bedsteads

Element or detail

5361R, A47C 2715, A47G 900, A61G 706

Patent

active

041108574

ABSTRACT:
A resilient foam cushion structure and method for producing same are disclosed. The structure comprises a plurality of foam sheets each having a plurality of tapered protuberances on at least one face thereof. The sheets are stacked face-to-face to form the cushion structure such that each protuberance of at least opposed pairs of sheets is offset and adjacent an opposed protuberance. The protuberance spacing is preferably arranged such that adjacent opposed protuberances will abut upon compression of the cushion structure. The method comprises placing foam sheets on a form having a plurality of tapered protuberances thereon and applying a vacuum thereto to form the sheets on the form.

REFERENCES:
patent: 2464301 (1949-03-01), Francis
patent: 2953195 (1960-09-01), Turck
patent: 3026544 (1962-03-01), Persicke et al.
patent: 3064279 (1962-11-01), Finkle
patent: 3197357 (1965-07-01), Schulpen
patent: 3323152 (1967-06-01), Lerman
patent: 3940811 (1976-03-01), Tomikawa

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