Fiberglass reinforced plastic damping material

Details Fiberglass reinforced plastic damping material Fiberglass reinforced plastic damping material

1994-02-10

1995-08-29

Dang, Khanh

Acoustics

Sound-modifying means

Mechanical vibration attenuator

428138, F16F 1500

Patent

active

054462509

ABSTRACT:
A method of forming a damping plate from a fiberglass reinforced plastic base plate and a layer of cushioning material by utilizing a restrainer plate on the other side of the layer of cushioning material from the base plate and which is thinner than the base plate and no thicker than the layer of cushioning material. The cushioning material is formed with a plurality of openings so as to afford flow of liquid adhesive into the openings to assure uniform distribution and good bonding during assembly. The plate may be employed as a portion of a hull of a watercraft for sound deadening.

REFERENCES:
patent: 2184482 (1939-12-01), Austin et al.
patent: 3160549 (1964-12-01), Caldwell et al.
patent: 3640830 (1972-02-01), Oberst et al.
patent: 5337288 (1994-08-01), Sorathia et al.

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