Hot knife assembly

Cutting – With means to control or modify temperature of apparatus or... – Of tool

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Details

219 68, 219221, 425292, 425298, B26D 710

Patent

active

050922084

ABSTRACT:
A hot knife assembly for cutting excess organic polymeric material from a thermal forming mold includes a blade-like knife in the form of a thin flat plate having an inner edge connected to a heater and an outer edge with a cutting surface thereon. The thin flat plate has two flat surfaces substantially encapsulated by a refractory wedge. The refractory wedge in formed silicone material and extends coextensive and adjacent the blade-like knife for preventing stringing or re-welding of the cut material.

REFERENCES:
patent: 525028 (1894-08-01), Pusey
patent: 3054441 (1962-09-01), Gex et al.
patent: 3964850 (1976-06-01), Carnegie, Jr.
patent: 3986416 (1976-10-01), Wade
patent: 4215607 (1980-08-01), Hudson et al.
patent: 4860621 (1989-08-01), Totani

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