Method and apparatus for grooving the barrel of a plasticating m

Details Method and apparatus for grooving the barrel of a plasticating m Method and apparatus for grooving the barrel of a plasticating m

1989-10-06

1990-09-04

Howell, Daniel W.

Metal working

Method of mechanical manufacture

Repairing

2940219, 51290, 409293, 409304, 409326, B23P 600

Patent

active

049532790

ABSTRACT:
A method and apparatus for cutting grooves onto the interior surface of the barrel of a plasticating machine in order to increase the friction against sliding unmelted resin particles. The helical screw is removed from the barrel without removing the barrel from its operating site. A grooving device is transported from a remote location to the plasticating operation site and mounted within the barrel with a portion protruding from the barrel. A brance is attached to the end of the barrel to help support the grooving device. Periodic adjustments are made to the grooving device by manual or automatic manipulation of the grooving device.

REFERENCES:
patent: 390306 (1888-10-01), Morton
patent: 412023 (1889-10-01), Dill
patent: 468072 (1892-02-01), Morton
patent: 2195055 (1940-03-01), Wallace
patent: 2445934 (1948-07-01), Bodine, Jr.
patent: 2765529 (1956-10-01), Bolender
patent: 2909967 (1959-10-01), Ranous
patent: 3466972 (1969-09-01), Strait
patent: 4778316 (1988-10-01), Strait

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