Mat for supporting a person in an upright position and process f

Details Mat for supporting a person in an upright position and process f Mat for supporting a person in an upright position and process f

1990-10-15

1992-04-28

Simmons, David A.

Plastic and nonmetallic article shaping or treating: processes

Treating shaped or solid article

By a temperature change

156145, 264230, 264234, 264235, 264346, B29B 1300

Patent

active

051086905

ABSTRACT:
A process for providing a resilient mat having a plurality of adjacent interconnected liquid-filled compartments with walls made of an elastomeric material and which is stable over a long time period, wherein the mat is heated to a temperature above 50.degree. C. until the liquid in the compartments has a pressure below 50% of it's initial pressure.

REFERENCES:
patent: 3595836 (1971-07-01), Korneli
patent: 3739055 (1973-06-01), Ueda et al.
patent: 4247514 (1981-01-01), Luise

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