Plastic article or earthenware shaping or treating: apparatus – Preform severing means – Means forming from bulk and downstream severing means
Patent
1985-03-22
1986-01-14
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Preform severing means
Means forming from bulk and downstream severing means
425192S, 425378S, 425464, B29F 304, B29F 308
Patent
active
045643504
ABSTRACT:
The plastic extruder assembly is of the type that includes an extruder barrel assembly and an extruder die chamber in the distal end of the extruder barrel assembly. The die chamber has means for receiving and mounting a die assembly therein and the die assembly has die holes extending therethrough to an outer face. A layer of insulating material is provided beneath the outer die face at least in the area of the die holes for inhibiting if not altogether preventing freezing of the plastic in the die holes. Also, radial and circumferential hot oil passageways are provided in the die assembly and the die holes are offset in either a concentric array or a series of spirals.
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Holmes George
Keyser Frank
Hoag Willard E.
Vigil Thomas R.
Vigil Thomas R.
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