Plastic article or earthenware shaping or treating: apparatus – Preform assembly means and means for bonding of plural... – Means forming indefinite length product
Patent
1974-06-21
1976-05-04
Shore, Ronald J.
Plastic article or earthenware shaping or treating: apparatus
Preform assembly means and means for bonding of plural...
Means forming indefinite length product
425516, 425114, 156180, B22B 2152, B22B 2174
Patent
active
039543790
ABSTRACT:
An apparatus is provided for the continuous molding of hardened resin construction members reinforced with fiber material precisely positioned and arranged during the continuous molding process. The reinforcing fiber material in the form of continuous rovings, woven webs, fabric, fleeces, etc. and having a sizing is fed into an elongated hollow molding duct where the material is first compressed and heated to bond the fibers together at their points of contact to form a grid structure. Synthetic resin is injected into the duct intermediate its ends to impregnate the grid structure and be shaped by the molding duct with the reinforcing fibers contained within the resin. The synthetic resin is then hardened by heating as the shaped resin passes further along the duct forming the finished construction or profile member. The profile member produced by this apparatus may include longitudinally extending openings reinforced by circumferentially arranged reinforcing fibers so that the longitudinal openings can withstand excessive radial stress exerted by expandable fasteners used to construct articles from the profile members.
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Grillo-Werke Aktiengesellschaft
Shore Ronald J.
Smith, Jr. John C.
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