Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – With heating or cooling means
Patent
1988-09-01
1989-08-15
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
With heating or cooling means
198377, 198415, 264535, 425534, B29C 4968
Patent
active
048569780
ABSTRACT:
An apparatus is provided for the conveyance of preforms through a heating station to a stretching and blowing machine during the production of hollow articles from thermoplastic plastics materials, means of which preforms having different neck diameters can be heated satisfactorily and extremely uniformly without major modification of the apparatus. This is achieved by providing two endless toothed sections extending parallel to each other and have preform pick-up means mounted thereon. The preforms are collected and retained in position by the pick-up means as they pass through the heating station. The mutual spacing of the belts and, hence, of the pick-up means from one another and from the heating devices is adjustable. A further pair of endless drive belts are provided which rotate the preforms at desired circumferential speed about their own axes as they pass through the heating device so as to promote an even distribution of the heat in the preforms.
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Mank Manfred
Voss Hermann
Chiesa Richard L.
Hermann Berstorff Machinenbau GmbH
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