Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1992-09-24
1994-05-31
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
264 17, 264 21, 264 25, 264 401, 264 402, 264 407, 264219, 264225, 264255, 2642971, 264297, 264310, 2643288, 26432811, 425150, 425429, 425435, B28B 102, B29C 3340, B29C 4500, B29D 1100
Patent
active
053167015
ABSTRACT:
A method of continuously forming an integrally molded structure in a multiaxis rotational molding operation including the steps of rotating a multimold section mold assembly about at least three axes. A first freshly formed polymerizable mixture is flowed over surfaces of an enclosed mold cavity within the multisection assembly. Flowing of the first mixture over the cavity surfaces and formation of a first resin therefrom is monitored through optical fibers extending through the mold sections. Second and third freshly formed polymerizable mixtures are flowed over resin formed within the mold cavity. Flowing of the second and third mixtures and formation of resins therefrom are monitored through optical fibers extending through the mold sections. The rotation of the multisection mold assembly is continued throughout the modling operation. Each axis rotation of the multisection mold assembly is monitored individually. Flowing of each mixture and each axis rotation are coordinated in a preselected profile to form an integrally molded structure. The mold sections of the multisection mold assembly are separated after the integrally molded structure has achieved structural integrity within the mold cavity and the structure removed. The steps are repeated on a continuing basis.
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Aftergut Karen
Urban Arthur L.
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