WATER-TIGHT STRUCTURE FOR IMMERSION WIRE ELECTRIC DISCHARGE MACHINES

Title:

WATER-TIGHT STRUCTURE FOR IMMERSION WIRE ELECTRIC DISCHARGE MACHINES

Document Type and Number:

WIPO Patent Application WO/1994/009938

Kind Code:

A1

Abstract:

A water-tight structure of a simple construction which has a high waterproofing effect and a low sliding resistance, and which is provided between a lower arm of and a processing liquid tank for an immersion wire electric discharge machine. First and second water-tight structures are provided between a wall (24) of a processing liquid tank (23) through which a lower arm (22) is passed and the lower arm (22). The first water-tight structure is provided with a slide plate (27) moving slidingly along with the lower arm (22), and the second water-tight structure is provided with an oil seal (29) which is provided at the portion of the slide plate through which the lower arm (22) passes, and which contacts the outer circumferential surface of the lower arm (22).

Inventors:

KITA YUKI (JP)
YODA SHINJI (JP)
TAKAYAMA YUSHI (JP)

Application Number:

PCT/JP1993/001530

Publication Date:

May 11, 1994

Filing Date:

October 22, 1993

Export Citation:

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Assignee:

FANUC LTD (JP)
KITA YUKI (JP)
YODA SHINJI (JP)
TAKAYAMA YUSHI (JP)

International Classes:

B23H7/00; B23H7/02; (IPC1-7): B23H7/02

Foreign References:

JPH01306130A	1989-12-11
JPS62282827A	1987-12-08

Other References: