Composite pressure vessel assembly

Details Composite pressure vessel assembly Composite pressure vessel assembly

2008-02-22

2010-10-12

Stashick, Anthony (Department: 3781)

Receptacles

Stationary tank

C220S567000, C220S062220

Reexamination Certificate

active

07810670

ABSTRACT:
A composite pressure vessel includes an endcap with first and second layers. The first layer is a thermoplastic layer and the second layer is a thermoplastic and glass fiber composite layer. A method for making the vessel includes placing commingled thermoplastic and glass fibers in a heated mold to melt the thermoplastic. The molten thermoplastic and the glass fibers are molded into the endcap shape. An outer surface of the pressure vessel is finished in accordance with another aspect of the invention. A pressurizable bladder with an inwardly facing surface is deflated. The outer surface of the vessel is heated to soften the thermoplastic. The pressure vessel is positioned in the bladder so that the inwardly facing surface of the bladder is adjacent to an outer surface of the pressure vessel. The bladder is pressurized to move the bladder inwardly into contact with the adjacent surfaces to each other.

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Gibson, Baylor D. et al.; “On-Line Consolidation of Filament Wound Thermoplastic Parts”; United States Statutory Invention Registration No. H1261, Published Dec. 7, 1993.

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