METHOD FOR THERMOFORMING FLEXIBLE SHEET PIECES
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United States of America Patent
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Issued Date -
Oct 15, 2015
app pub date -
Nov 19, 2013
filing date -
Nov 19, 2012
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Abandoned
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Abstract
A method for thermoforming flexible sheet pieces via a tool having a deformable surface (1) made up of innumerable independent small areas (2), supported by axially mobile rods (3) and mounted in a sealed box (4). Gaps (6) communicating with the sealed chamber (4) are defined between the independent areas (2), through which a vacuum is applied on the lower surface of the sheet (7) to be formed.
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