Plastic article or earthenware shaping or treating: apparatus – Means providing a shaping orifice – Adjustable shaping orifice or shape imparting insert member
Patent
1997-07-03
1999-10-05
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
Means providing a shaping orifice
Adjustable shaping orifice or shape imparting insert member
26417716, 425381, B29C 4716
Patent
active
059620412
ABSTRACT:
An extrusion apparatus includes first and second die body portions each having a main body and a lip interconnected with the main body wherein the die body portions are joined such that a single die outlet is formed between and bounded by the lips. The apparatus also includes suitable structure for moving the lips to adjust the die outlet.
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Reexamination Request--U.S. Patent No. 5,679,383.
Garton Donald R.
Krupa Vernon J.
Lippert Harry G.
Ryan John W.
Wilson Gregory M.
Eashoo Mark
Extrusion Dies, Inc.
Silbaugh Jan H.
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