Baker Botts L.L.P.
Process and apparatus for trimming polymeric parts
A process for forming and trimming a part comprises providing a continuous web of polymeric material, thermoforming the continuous web of polymeric material into the desired part, providing a cutter arrangement comprising a blade, providing a platen assembly comprising a closed groove that generally corresponds to the outer shape of the blade and a vacuum system, wherein at least one of the cutter arrangement and the platen assembly is moveable with respect to the at least one other assembly, trimming the part of the continuous web of polymeric material from the remainder of the continuous web of polymeric material via the blade, and removing undesirable trim material formed during the trimming of the part via the vacuum system.
Pactiv Corporation
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B26D Y10T B26F Y10T Y10T B26F B26D
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David John Ming Lun Gary D. Lee D.
Claudius Ho Ennis Alexander