Tool and method for the finishing of valve seats and guides

Details Tool and method for the finishing of valve seats and guides Tool and method for the finishing of valve seats and guides

2006-08-29

2006-08-29

Carter, Monica (Department: 3722)

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

C409S234000, C408S083500

Reexamination Certificate

active

07097400

ABSTRACT:
It is proposed to provide a tool for the final machining of a valve seat and valve guide in a cylinder block of a combustion engine of a motor vehicle, said tool having a first section with at least one first blade for machining the valve seat and a second section with at least one second blade for machining the valve guide. The tool is characterized in that a separation site (13) is provided between the first section (5) and the second section (9), said separation site comprising a cone (15) and a conical recess (17) capable of receiving said cone.

REFERENCES:
patent: 1554669 (1925-09-01), Watkins
patent: 5044841 (1991-09-01), Biera et al.
patent: 6905278 (2005-06-01), Kress et al.
patent: 2270975 (1975-12-01), None
International Search Report for PCT/EP02/08291 mailed Nov. 18, 2002, ISA/210-EP.

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