Metal tools and implements – making – Blank or process – Drill
Reexamination Certificate
2005-03-01
2005-03-01
Payer, Hwei-Siu (Department: 3724)
Metal tools and implements, making
Blank or process
Drill
C076S108100, C408S204000
Reexamination Certificate
active
06860172
ABSTRACT:
A method for producing a powdered metal compact for a cutting head to be used in a metal cutting tool uses a punch and die assembly. The resulting cutting head has apertures communicating between a coolant channel and recesses.
REFERENCES:
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patent: 3125883 (1964-03-01), Wollner
patent: 4322187 (1982-03-01), Hougen
patent: 5031484 (1991-07-01), Packer
patent: 5598751 (1997-02-01), Ochayon et al.
patent: 5676499 (1997-10-01), Tukala
patent: 0352224 (1990-01-01), None
patent: WO03101648 (2003-12-01), None
Carlyle Womble
Iscar Ltd.
Payer Hwei-Siu
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