Plastic article or earthenware shaping or treating: apparatus – With separate and distinct upstream agitating or kneading means – Serially arranged chambers each housing a kneading or mixing...
Patent
1991-07-22
1993-11-09
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
With separate and distinct upstream agitating or kneading means
Serially arranged chambers each housing a kneading or mixing...
425207, 425208, 425209, 425582, 425584, 425587, 366156, B29B 760, B29C 4518, B29C 4548
Patent
active
052597490
ABSTRACT:
A highly viscous or dough-like material, especially glass fiber-filled polyester, polyamide or polypropylene is fed from a rotating funnel via a feed worm lying along a generatrix of the funnel directly into an extruder or an injection molding cylinder and without passing through an elbow or other jacket. The system is thereby able to operate at reduced pressure with least damage to the fibers and reduced drive energy for the feed worm or screw.
REFERENCES:
patent: 1156096 (1915-10-01), Price
patent: 3633494 (1972-01-01), Schippers
patent: 5030080 (1991-07-01), Fukuda et al.
Patent Abstract, vol. 7, No. 250 Japan 58-134704; Aug. 1983.
Patent Abstract, vol. 10, No. 261 Japan 61-086218; May 1986.
Patent Abstract, vol. 9, No. 272 Japan 60-116424; Jun. 1985.
Brams Peter
Meixner Franz
Schultheis Sven
Dubno Herbert
Krauss Maffei AG
Nguyen Khanh P.
Woo Jay H.
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