Method of Forming a Blowable Parison
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United States of America Patent
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Issued Date -
Jan 3, 2013
app pub date -
Aug 20, 2010
filing date -
Aug 22, 2009
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Abandoned
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Abstract
A method of forming an essentially tubular blowable plastics parison comprises injection moulding an essentially tubular parison around a mould surface. Means for injecting flowable plastics material to said injection mould at an injection station to form a parison within said mould surface are used. These comprise a plurality of individual injectors, with at least a secondary injector being capable of injecting a different composition from the remaining primary injectors.
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