PROCESS FOR MANUFACTURING A BOARD ELEMENT COMPRISING CAVITIES
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Jan 29, 2024
filing date -
Jan 30, 2023
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Abstract
A process for manufacturing a board element including a plurality of cavities in a rear side thereof. The process includes displacing a substrate including a thermoplastic material in a feeding direction towards a pressing area of an impression device including a plurality of protruding impression elements and creating the cavities in a rear side of the substrate by impressing a substrate portion in the pressing area by the impression device, thereby obtaining the board element. An upstream thickness of the substrate upstream of the impression device exceeds a gap height of the pressing area during at least a part of an impression cycle.
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