Spring mattress based on foam material

Details Spring mattress based on foam material Spring mattress based on foam material

2006-02-21

2006-02-21

Trettel, Michael (Department: 3673)

Beds

Mattress

Having innerspring-type core

C005S740000

Reexamination Certificate

active

07000277

ABSTRACT:
A spring mattress that uses a multiplicity of elastic springs, spatially distributed according to a predetermined pattern, with highly variable configurations, obtained by shaping through cutting and pouring operations on a starting slab of foam material of a proper thickness. The resulting configuration that is adopted determines incoming portions in the spring elements that affect one or more of its sides, with variable magnitudes and depths, and outcropping portions from one or more of its sides, with a thickness and projection range that are also variable. The springs that make up the mattress are integrated on their lower end to the remaining continuous laminar portion of the original slab, and in a second alternate version, can be joined on their other end to a continuous laminar slab to which they are bonded by means of adhesion or similar operation.

REFERENCES:
patent: 2768924 (1956-10-01), Wright
patent: 3293671 (1966-12-01), Griffin
patent: 4194255 (1980-03-01), Poppe
patent: 4713854 (1987-12-01), Graebe
patent: 4809374 (1989-03-01), Saviez
patent: 5353455 (1994-10-01), Loving et al.
patent: 6704962 (2004-03-01), Choi

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