Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Measuring a weight or volume
Patent
1986-10-22
1988-06-14
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Measuring a weight or volume
425394, 425442, 425444, 425451, 4254512, 4254515, 4254519, 425453, 425461, 425DIG16, 425DIG108, 425DIG128, 425DIG201, 425113, 425120, 425127, 425129R, 425134, 425148, 425150, 425257, 425261, 425325, 425377, 425392, 249 82, 249158, 249170, 264 22, 264 24, 264245, 264275, 2642976, 264313, 264318, 264323, 264325, 264337, B29C 4306, B29C 4318, B29C 4354, B29C 4358
Patent
active
047510293
ABSTRACT:
A system for molding elongated ribbon-like products from thermoplastic materials utilizing a plurality of molds which are moved in tandem along a production line. As the molds are moved along the line at successive stations they are, while open, thermally adjusted to a temperature suitable for forming the product to be molded and then a ribbon of plastic is deposited in them. They are then closed and cooled and reopened and the molded product removed. The system utilizes only enough molding pressure to assure distribution of the plastic to all parts of the mold cavity and shaping of the molded product to the geometric design of the mold. The system includes a transfer means for the molds which returns the emptied molds for recycling through the molding process.
REFERENCES:
patent: 2745138 (1956-05-01), Beattie
patent: 3706827 (1972-12-01), Nott et al.
patent: 3801255 (1974-04-01), Meyer et al.
patent: 3829271 (1974-08-01), Taylor
patent: 4021178 (1977-05-01), Braun
patent: 4514159 (1985-04-01), Magerle
patent: 4524516 (1985-06-01), Wiechard
patent: 4537737 (1985-08-01), Crowe
Nicholas Plastics, Inc.
Tentoni Leo B.
Thurlow Jeffery
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