Plate-shaped shearing knife

Details Plate-shaped shearing knife Plate-shaped shearing knife

2005-03-22

2005-03-22

Vincent, Sean (Department: 1731)

Glass manufacturing

With molten glass charge cutting or scraping means

C065S332000, C065S374110, C065S374120, C030S345000, C030S350000

Reexamination Certificate

active

06868698

ABSTRACT:
A plate-shaped shearing knife is provided made of hard metal for shearing off allotments of liquid glass. The hard metal of the shearing knife has a thermal conductivity of at least 85 W/mK. Next to a V-shaped or circular-shaped cutting region -2-, there are edge regions on both sides that do not flare out wedge-like, and have an average width b which is in a range of 5% to 30% of the total width of the shearing knife B in this section.

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