Device and a method for compression moulding of a fibre tray
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United States of America Patent
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Feb 11, 2014
Grant Date -
Dec 30, 2010
app pub date -
Feb 20, 2009
filing date -
Feb 20, 2008
priority date (Note) -
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Abstract
A device for manufacturing a tray of cellulose material, includes:
- a compression mold including an essentially flat bottom end and surrounding sides for compression molding and drying of cellulose pulp to a finished tray;a male mold arranged to fit into the compression mold and that includes a bottom space and lateral surfaces corresponding to the compression mold, wherein the compression mold and the male mold between themselves delimit a mold space including a base section and a side section for compression molding of the cellulose pulp. Both the compression mold and the male mold are provided with blow and suction devices for blowing in and suction of fluid in and out of the mold space. The blow and suction devices include an inlet pipe having an inlet valve, coupled to an inlet chamber in connection with the mold space, and an outlet pipe having an outlet valve separated from the inlet pipe and coupled to an outlet chamber in connection with the mold space.
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