Acoustic window and material therefor

Details Acoustic window and material therefor Acoustic window and material therefor

1988-03-15

1989-04-11

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524424, 524496, 524503, 524506, 524507, 524511, 524513, 524514, 524517, 524525, 524526, 524588, 524589, 524593, 524594, 524600, 524606, 525 57, 525 58, 525101, 525123, 525125, 525126, 525133, 525134, 525175, 525176, 525179, 525180, 525423, 525424, 525425, 525426, 525437, 525440, 525477, 525479, C08K 304, C08L 108, C08L 700

Patent

active

048207535

ABSTRACT:
A sonic window suitable for use in sonar applications wherein an elastomer such as natural or synthetic natural rubbers, a low air entrapping fiber or fibril used for reinforcement, fillers, and thermosetting resins are formed into desired window configuration. The low air entrapment associated with the fiber or fibrils produces a remarkably sonicly transparent window.

REFERENCES:
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patent: 3969568 (1976-07-01), Sperley
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patent: 4244847 (1981-01-01), Posiviata et al.
patent: 4387178 (1983-06-01), Tracy et al.
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patent: 4514541 (1985-04-01), Frances
patent: 4532275 (1985-07-01), Shimada
patent: 4588780 (1986-05-01), Edwards et al.
patent: 4643938 (1987-02-01), Oyama et al.
patent: 4699832 (1987-10-01), Sattelmeyer
patent: 4703086 (1987-10-01), Yamamoto et al.

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