Title: Apparatus for making a tool electrode for electrical discharge machining

Abstract: Casting apparatus for use in making intermediate molds for the preparation of tool electrodes comprises a pallette for holding the casting and adjusting devices for ensuring parallelity and correct alignment for the mouldingfaces. There is also vibrator to ensure improved consolidation of the casting material and to provide for degassing.

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Inventors: Peddinghaus, Gunther (Ennepetal, DT)
Neumann, Harry (Ennepetal, DT)
Wittenstein, Horst (Ennepetal, DT)

Application Number: 796450
Filing Date: 1977-05-12
Publication_date: 1978-05-30
Assignee: A.G. fur Industrielle Elektronik AGIE b. Locarno (Losone, CH)
Primary Class(es): 425/62 249/105, 249/115, 425/420, 425/421, 425/812
Other Classes:
US Patent Ref:

2843897	Jul, 1958	Bauer et al.	249/105.
2873504	Feb, 1959	Lager	249/105.
3142105	Jul, 1964	Weir et al.	425/62.
3161156	Dec, 1964	Batista et al.	249/105.
3422495	Jan, 1969	Jones	249/115.
3659977	May, 1972	Haws	425/62.
3712785	Jan, 1973	Hirt et al.	425/420.

Other Refs:
Primary Examiner: Flint, Jr., J. Howard
Assistant Examiner:
Attorney: Woodward; William R.