Method for making plastic panel and panel

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article

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Details

264113, 264120, 264236, 264347, B29D 302, B29G 100

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active

043538576

ABSTRACT:
A method is provided for producing a compression molded, fiber reinforced, plastic panel comprising a plate having an outer surface and an inner surface bearing integrally molded reinforcing members, which method comprises

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patent: 3903343 (1975-09-01), Pfaff
patent: 4051290 (1977-09-01), Jutte et al.
patent: 4081578 (1978-03-01), Van Essen et al.
patent: 4191718 (1980-03-01), Mallick et al.
Randolph et al., Plastics Eng. Handbook, Reinhold, N.Y., pp. 297 & 298.
Jutte, "SMC-Sink Mechanisms . . . ", SAE Booklet 730171, 12 pp. (of 16) filed by applicant.
Ampthor, "Sink Reduction Techniques" . . . Rhom and Hass, Sect. 9c, pp. 1-5, (1978).
Ross, "Development of Lightweight Plastic Hood Panel . . . ", Reinforced Plastics Institute, (1976).
Smith et al., "An Approach Toward the Reduction of Sink Marks in SMC", M.I.T.
Boyd, "Observations on the Mechanisms of Sink in SMC Molding," Soc. of Plastics Ind. (1976).

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