Metal tools and implements – making – Blank or process – Rotary cutter
Reexamination Certificate
2008-07-22
2008-07-22
Hail, III, Joseph J. (Department: 3723)
Metal tools and implements, making
Blank or process
Rotary cutter
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.
REFERENCES:
patent: 4303137 (1981-12-01), Fischer
patent: 4460053 (1984-07-01), Jurgens et al.
patent: 4618269 (1986-10-01), Badrak et al.
patent: 4679640 (1987-07-01), Crawford
patent: 4781770 (1988-11-01), Kar
patent: 4969378 (1990-11-01), Lu et al.
patent: 5234064 (1993-08-01), Lenaburg
patent: 5291807 (1994-03-01), Vanderford et al.
patent: 5580472 (1996-12-01), Maybon
patent: 5755299 (1998-05-01), Langford et al.
patent: 5785135 (1998-07-01), Crawley
patent: 5836531 (1998-11-01), Maybon
patent: 6196338 (2001-03-01), Slaughter et al.
patent: 6248149 (2001-06-01), Massey et al.
patent: 6564884 (2003-05-01), Bird
patent: 6601475 (2003-08-01), Davies et al.
patent: 6651756 (2003-11-01), Costo et al.
Grant Alvin J.
Hail III Joseph J.
Hughes Michael F.
Hughes Law Firm PLLC
LandOfFree
Cutter insert gum modification method and apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cutter insert gum modification method and apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cutter insert gum modification method and apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3917463