Reinforced thermoplastic storage vessel manufacture

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article

Reexamination Certificate

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Details

C264S257000, C264S258000, C264S314000, C264S324000, C156S156000, C156S172000, C220S589000, C220S590000

Reexamination Certificate

active

06893604

ABSTRACT:
A method is disclosed for reinforcement of thin wall hollow thermoplastic storage vessels with one or more wraps of continuous fibers. This method requires thermal bonding between the reinforcement fibers and the outer surface of the thermoplastic storage vessel while the interior cavity of the storage vessel is being pressurized. The fiber wraps can also be oriented in spatial directions further resisting internal stress on the storage vessel walls when put in service.

REFERENCES:
patent: 3282757 (1966-11-01), Brussee
patent: 4078957 (1978-03-01), Bradt
patent: 4123307 (1978-10-01), Lemelson
patent: 5499739 (1996-03-01), Greist, III et al.
patent: 5526994 (1996-06-01), Murphy
patent: 6171423 (2001-01-01), Murphy et al.
patent: 6565793 (2003-05-01), Goldsworthy et al.

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