Pressure-resistant buoyancy material

Details Pressure-resistant buoyancy material Pressure-resistant buoyancy material

1985-03-21

1986-07-01

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

521 54, 521138, 521178, 521182, 523219, C08J 932

Patent

active

045981060

ABSTRACT:
A pressure-resistant buoyancy material, comprising pressure-resistant hollow elements, a syntactic foam, and an empty space intervening between the pressure-resistant hollow elements and the syntactic foam, communicating with the outside of the buoyancy material. The pressure-resistant hollow elements are retained in a freely movable state in the empty space.

REFERENCES:
patent: 3230184 (1966-01-01), Alford
patent: 3849350 (1974-11-01), Matsko
patent: 4107134 (1978-08-01), Dawans
patent: 4410639 (1983-10-01), Bouley et al.
patent: 4412012 (1983-10-01), Bouley et al.

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