Title:
DRILLING DEVICE
Document Type and Number:
Japanese Patent JP51134993
Kind Code:
A
Abstract:
PURPOSE: To drill the bottom of an object (or machining) upwardly, with drills operated by driving unit, in such a manner that a working surface of an object is brought into tight contact with a top surface of a table equipped with a number of drill-guiding holes and a lifting (or elevating) device.
Inventors:
Kawauchi, Masao
Kasai, Masamori
Kasai, Masamori
Application Number:
JP1975000060563
Publication Date:
November 22, 1976
Filing Date:
May 20, 1975
Export Citation:
Assignee:
KURIMOTO IRON WORKS LTD
International Classes:
B23B39/18; B23B39/16; B23B49/02; (IPC1-7): B23B39/16; B23B49/02
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