Method for reclaiming extruded plastic resins

Details Method for reclaiming extruded plastic resins Method for reclaiming extruded plastic resins

1975-07-14

1977-02-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 37, 264141, 264151, 264210R, 264285, 425217, 425325, 425391, B29C 1702, B29C 1714

Patent

active

040092356

ABSTRACT:
An improved method for reclaiming waste plastic materials generated during an extrusion coating operation. A rotating funnel or other device is used to gather the hot molten plastic waste material and twist it into the shape of a rope. The plastic rope is passed through a cooling bath and one or more pinch rollers. After passing through the rollers, the plastic rope is spooled, chopped, or fed to a plastics processing machine.

REFERENCES:
patent: 2545869 (1951-03-01), Bailey
patent: 2834053 (1958-05-01), Bilanin et al.
patent: 3164947 (1965-01-01), Gaston
patent: 3192293 (1965-06-01), Van Riper
patent: 3492389 (1970-01-01), Port et al.
patent: 3525998 (1970-08-01), Chenoweth et al.

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