Buoyancy compensator, bladder, and process of manufacture

Details Buoyancy compensator, bladder, and process of manufacture Buoyancy compensator, bladder, and process of manufacture

1983-04-18

1985-12-31

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Water rescue or life protecting apparatus

Personal flotation device

405186, 441116, B63C 916

Patent

active

045618534

ABSTRACT:
The following specification discloses a buoyancy compensator bladder and method of manufacture therefor. The bladder has a plurality of gussets implaced therein in order to rigidify and maintain a pre-established general configuration to the bladder. A plurality of insets or pleats are implaced around the shoulder area to provide for a generally arcuate curvilinear conformation therearound. A nylon plastic coated material is used for the gussets having one side that can be bonded to the inner side of the bladder, while the other side is formed from a nylon having a higher melting temperature. The gussets that are made from the nylon coated material are folded and implaced within the bladder or cavity formed from a plurality of sheets, the combination of which is brought together and heatset by means of an RF heater, or other suitable heater. The gusset material is formed from a nylon fabric having a polyurethane coating thereon formed from a liquidous first coating with two sheets adhered thereto to form a thickened polyurethane coating over one surface thereof without completely penetrating through the interstices to the other side to the extent where it would melt and bind during the forming operation.

REFERENCES:
patent: 3390482 (1968-07-01), Holtvoigt
patent: 3545017 (1970-12-01), Cohn
patent: 4137585 (1979-02-01), Wright, III
patent: 4241118 (1980-12-01), Skelton et al.
patent: 4370374 (1983-01-01), Raabe et al.

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