Method of forming reusable seamless mandrels for the fabrication

Details Method of forming reusable seamless mandrels for the fabrication Method of forming reusable seamless mandrels for the fabrication

1997-02-14

1998-09-08

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156169, 156173, 156175, 264314, B65H 8100

Patent

active

058040102

ABSTRACT:
A method for fabricating, and a resulting structure for, a seamless, reusable and collapsible mandrel suitable for forming a plurality of seamless and hollow fiber wound vessels upon is disclosed. A destructible mandrel is used to form the seamless reusable mandrel. The destructible mandrel is preferably formed from a material which can be destroyed by dissolving, for example, materials such as foam or plaster. The seamless, collapsible, and reusable mandrel includes a plurality of different layers including a gas impermeable layer, a continuous fiber wound layer, and a release surface forming the outermost layer of the seamless, collapsible, and reusable mandrel. The resulting seamless, reusable and collapsible mandrel has advantages over mandrels which include a seam. Such advantages include a longer useful life and consistently high quality fiber wound vessels at a relatively low cost.

REFERENCES:
patent: 4360871 (1982-11-01), Blaney
patent: 4684423 (1987-08-01), Brooks
patent: 4797685 (1989-01-01), Guler et al.
patent: 4925611 (1990-05-01), Shockney et al.
patent: 5460675 (1995-10-01), Moser
Rosato, D.V. et al, Filament Winding: Its Development, Manufacture, Applications, and Design, John Wiley & Sons, Inc. 1964, pp. 127-133.
Lubin, George, Handbook of Composites, Van Nostraud Reinhold Company, Inc., 1982, pp. 461-462.

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