Press and method in particular for the pressure forming of paper containers
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United States of America Patent
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Apr 30, 2013
Issued Date -
N/A
app pub date -
Apr 16, 2009
filing date -
Apr 21, 2008
priority date (Note) -
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Abstract
This invention concerns a press and a method in particular for the forming of finished articles, such as containers or trays of paper and starting from a moisturized sheet. The press comprises a bedplate (18) having a fixed die holder plane (19) holding a head (20) with a moving die-holder plane (21) movable with regards to the fixed plane between an opening and a closing position. A lower die (22) is attached to the fixed die holder plane, whereas an upper die (23) is attached to the moving die-holder plane. The moving die-holder plane is powered by an electric actuator (29) for the opening and closing movements and the half-dies are provided with heating means for the drying and hardening of the paper in a set closed position. The moving die-holder plane can be slowed down or stopped during its stroke to allow for the drying of the paper.
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