Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent
1997-08-27
1999-05-25
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Positioning of a mold part to form a cavity or controlling...
264115, 264120, 264321, 264916, B29C 4314
Patent
active
059067799
ABSTRACT:
Expanded or foamed plastic material is fed into a hopper containing a first auger having a cutting function. The first auger is driven by an electric motor and cuts the plastic material into pieces which are discharged from the hopper into a vertical chamber. The vertical chamber contains a second auger driven by an electric motor. The pieces of plastic material are compressed by the second auger and delivered into a chamber which serves as the inlet end of a horizontal friction chute. The plastic material in the chamber is compressed by a hydraulic ram which forces the compressed plastic material along the friction chute.
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patent: 5129588 (1992-07-01), Toshio et al.
patent: 5317965 (1994-06-01), Wildes et al.
patent: 5489200 (1996-02-01), McGraw et al.
patent: 5494626 (1996-02-01), Middleton
patent: 5505886 (1996-04-01), Baugh et al.
Kuhns Allan R.
Middleton Engineering Limited
Stoltz Melvin I.
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