Plastic article or earthenware shaping or treating: apparatus – Means feeding fluent stock from plural sources to common... – Extrusion shaping means
Patent
1990-12-28
1992-03-24
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Means feeding fluent stock from plural sources to common...
Extrusion shaping means
264167, 425142, 425308, B29C 4706
Patent
active
050982737
ABSTRACT:
An improved apparatus for cutting and shaping a spherical material, which is composed of an assembly consisting of a number of rotary polygonal members for forming an opening at their center to cut and shape the material passing through the opening. Each of the members with curved side surfaces that are opposite each other is associated with each other such that when the members make a pivotal movement, the curved surface of each member slides over the curved surface of an adjacent member, and each of the members has a uniform thickness except for the area near the tip, where the thickness nonequiangularly decreases toward the tip so that substantially spherical products completely covered by an outer cover of a uniform thickness can be produced.
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Heid David W.
Matney, Jr. W. J.
Rheon Automatic Machinery Co. Ltd.
Shoup Guy W.
Woo Jay H.
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