Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Patent
1978-08-02
1980-12-09
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
To degas or prevent gas entrapment
264257, 264263, B29C 602, B29C 2700, B29D 2300
Patent
active
042384370
ABSTRACT:
A fiber-reinforced product or article and a method and apparatus for producing same are provided. For producing the product, a mold of the size and shape of the desired product has reinforcing fibers positioned therein, substantially in a form in which they will exist in the final product. Means are also located in the mold for forming channels in communication with the fibers to facilitate the flow of resin through the length of the mold and into the fibers. The channels greatly increase the rate of penetration of the resin into spaces between the fibers, particularly for elongate products of substantial length and limited transverse cross section. The channels also facilitate evacuation of air from the mold and aid in the escape of air dissolved in the resin which precedes the resin as the resin flows into the mold.
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Gutchess, Jr. Allen D.
Lowe James B.
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