Electric heating – Metal heating – Cutting or disintegrating
Reexamination Certificate
2006-07-18
2006-07-18
Evans, Geoffrey S. (Department: 1725)
Electric heating
Metal heating
Cutting or disintegrating
C219S069140
Reexamination Certificate
active
07078645
ABSTRACT:
A machining-fluid ejection device for a wire electric discharge machining apparatus includes a nozzle for ejecting machining-fluid into an inter-electrode gap between a workpiece (W) and a wire electrode (E), a casing (16) fixed to a machining head (15) disposed above or below the workpiece (W), a coupling member (18) for coupling the casing (16) and a nozzle (17), having a predetermined elastic coefficient, and deforming according to the machining-fluid pressure; an assemblage of the coupling member (18) and the nozzle (17) has hollow portions, formed with an inlet side internal diameter (D2) and an outlet side internal diameter (D1) on a machining-fluid inlet side and outlet side respectively, whose sectional areas do not change, and a hollow portion, formed with a minimum internal diameter (D0) between the machining-fluid inlet side and the outlet side, whose sectional area does not change. Machining productivity may be raised for nozzle contact machining and nozzle separation machining.
REFERENCES:
patent: 4495393 (1985-01-01), Janicke
patent: 5128505 (1992-07-01), Matter
patent: 54-135795 (1979-09-01), None
patent: 59-140134 (1984-09-01), None
patent: 60-029227 (1985-02-01), None
patent: 60029227 (1985-02-01), None
patent: 60-127925 (1985-07-01), None
patent: 60127925 (1985-07-01), None
patent: 1-164521 (1989-06-01), None
patent: 01-164521 (1989-06-01), None
patent: 01164521 (1989-06-01), None
patent: 02-291127 (1990-12-01), None
patent: 02291127 (1990-12-01), None
patent: 03-089886 (1991-04-01), None
patent: 03089886 (1991-04-01), None
patent: 10-43947 (1998-02-01), None
Akiyoshi Masao
Koba Ryogo
Magara Takuji
Yamada Hisashi
Evans Geoffrey S.
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
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