Method and Device for Thermoforming Plastics
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
May 23, 2014
filing date -
May 23, 2013
priority date (Note) -
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Abstract
The method relates to continuously simultaneously thermoforming plurality of plastic sheets in moulds to form an identical number of individual spatial objects. The sheets are supplied simultaneously, each from its individual sheet stack, to a supply station and from there to a holder on a transport track. After moulding, the objects are removed and a new moulding cycle is started. To this end, the device comprises, inter alia, first and second grippers and holders which comprise an upper frame, a middle frame and a clamping frame which can be connected thereto for clamping the sheets or disconnected therefrom for releasing the formed objects.
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