Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP2383377ApriorityCriticalpatent/JPS53109564A/en
Publication of JPS53109564ApublicationCriticalpatent/JPS53109564A/en
Blow-Moulding Or Thermoforming Of Plastics Or The Like
(AREA)
Abstract
PURPOSE: To remove a stepped vacuum-formed article rapidly from an inexpensive non-dividable mould, by providing a number of holes in the mould, which act as air-outlets during the vacuum forming process, while acting as air-inlets during the removal of the article.
COPYRIGHT: (C)1978,JPO&Japio
JP2383377A1977-03-071977-03-07Vacuum forming of stepped article
PendingJPS53109564A
(en)