Method for making cylindrical preforms

Details Method for making cylindrical preforms Method for making cylindrical preforms

1993-09-15

1995-04-18

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 406, 264 407, 264136, 264137, 264145, 264257, 427358, 4274301, B29C 7052, B29C 7034, B29C 7054

Patent

active

054076161

ABSTRACT:
A method and apparatus is provided for generating a cylindrical composite preform. A tubular sleeve of cloth is maintained upon a mandrel which is passed through an injection chamber into which a thermosetting resin is injected. A small cavity within the resin injection chamber meters the resin into the cloth to assure complete and total impregnation thereof. The mandrel exits the resin injection chamber and enters an oven where the resin and fabric composite is B-staged. Subsequently, the composite sleeve is cut into appropriate lengths and removed from the mandrel for further processing for development of an end product.

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