Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Rod or tubular preform
Patent
1994-04-07
1996-05-07
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Rod or tubular preform
2642094, B29C 4792
Patent
active
055139752
ABSTRACT:
An improved manifold assembly which can be used in conjunction with a die head in the extrusion of a plastic with the manifold assembly having a water inlet tube, a tube through which a vacuum is pulled, a water return tube, a calibration finger first section, and a calibration finger second section.
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Martin Larry L.
Wise John
Advanced Drainage Systems, Inc.
Chiesa Richard L.
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