Cutter insert gum modification method and apparatus

Metal tools and implements – making – Blank or process – Rotary cutter

Reexamination Certificate

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Details

C076S108100, C076S108200, C148S903000, C148S905000

Reexamination Certificate

active

11088397

ABSTRACT:
A method and apparatus for treating a cutter ring adapted to be used in tunnel boring operations; forming an initial cutter ring and heat treating the cutter ring prior to a laser client process; applying an alloy to the surface of the cutter ring adjacent to cutting elements by a laser cladding process whereby the cutting elements have insufficient heat transfer from the laser cutting process to reduce their hardness properties.

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