Knife-like cutting die

Details Knife-like cutting die Knife-like cutting die

2007-02-06

2007-02-06

Ashley, Boyer D. (Department: 3724)

Cutting

With means to control or modify temperature of apparatus or...

Of tool

C083S016000, C083S123000, C083S170000, C083S182000, C083S699310, C083S139000, C083S697000, C083S268000, C083S418000, C083S685000, C029S465000, C264S138000, C264S157000

Reexamination Certificate

active

10686196

ABSTRACT:
A knife-like die for cutting a thermoformed plastic article from a sheet of thermoformable plastic. The die includes a die build up plate that is mounted to a first platen and a striker plate that is mounted to a second platen. The die further includes a die board having a knife element mounted thereto. A heating element heats the knife to a temperature that allows for easy cutting of the thermoformable plastic. The die board also includes a die travel stop which prevents the die from being forced into the striker plate thus damaging the knife element and a die location pilot that engages a feature on the sheet of thermoformable plastic to align the article with the die.

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Larry Koester et al., Thermoforming & Die Cutting of Recycled/Virgin PET Sheet, 2002, pp. 1-28 and 1-5, Thermoforming & Die Cutting of Recycled/Virgin PET Sheet, Quebec, Canada.
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