Process for making fluid-containing structure

Details Process for making fluid-containing structure Process for making fluid-containing structure

1977-10-11

1979-02-20

Hoag, W.E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264DIG60, B29C 504, B29D 3100

Patent

active

041407431

ABSTRACT:
A molded article capable of floatably supporting a human body, which comprises a seamless fluid-containing structure having a predetermined shape, and a supporting framework or the like to laterally support the structure so that one surface of it may be used as a floatable support, said article being manufactured by a mold and molding process wherein said mold has a small hatch or other small opening for providing access to the mold interior. Said mold is rotated and heated at predeterminedd rates and under predetermined conditions until said mold interior is evenly coated with plastic, the plastic is thereafter cured, and the finished product is then removed from the mold through the hatch.

REFERENCES:
patent: 2153184 (1939-04-01), Hagen
patent: 2629131 (1953-02-01), Martin et al.
patent: 3217078 (1965-11-01), Kleiber
patent: 3337662 (1967-08-01), Spencer
patent: 3417097 (1968-12-01), Droning et al.
patent: 3514508 (1970-05-01), Schott et al.
patent: 3830898 (1974-08-01), Johnson et al.
patent: 4043721 (1977-08-01), Lemelson

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