Quality control apparatus and method

Details Quality control apparatus and method Quality control apparatus and method

1995-06-01

1997-02-25

Heitbrink, Jill L.

Measuring and testing

Sampler, sample handling, etc.

Analyzer supplier

264 401, 264142, 2643281, 425557, 425574, 425585, 425308, G01N 114

Patent

active

056061404

ABSTRACT:
An apparatus for the manufacture of plastic pellets including an extruder, a chiller positioned to receive and solidify extruded strands from the extruder and, a pelletizer for converting such strands to pellets. The apparatus includes a quality testing device having a valve connected to the extruder, an injector having a sample receiving position operably connected to the valve, and a sample mold for forming solidified test samples of the material for analysis. The injector also has an ejection position operably connected to a mold inlet for injecting such samples into the mold.

REFERENCES:
patent: 3278988 (1966-10-01), Hannis
patent: 4090836 (1978-05-01), Von Der Ohe et al.
patent: 4098649 (1978-07-01), Redker
patent: 4262533 (1981-04-01), Jaeger
patent: 4756855 (1988-07-01), Mathis et al.
patent: 4890996 (1990-01-01), Shimizu
patent: 4908168 (1990-03-01), Miller, Jr. et al.
patent: 4973239 (1990-11-01), Herrmann et al.
patent: 5248460 (1993-09-01), Tsutsumi
patent: 5383776 (1995-01-01), Trail et al.

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