Title:
BORING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/199791
Kind Code:
A1
Abstract:
This boring device according to one embodiment is characterized by comprising: a blade tip; a drive device for rotationally driving the blade tip; a supply flow path for supplying cooling liquid to the blade tip; and a tube pump for feeding, under pressure, the cooling liquid in the supply flow path to the blade tip. The boring device is also characterized in that: the tube pump has a supply tube forming a portion of the supply flow path, and a first pressing mechanism for pressing the supply tube; and the pressing mechanism is driven by the drive device.
Inventors:
MIYANAGA MASAAKI
Application Number:
PCT/JP2021/006611
Publication Date:
October 07, 2021
Filing Date:
February 22, 2021
Export Citation:
Assignee:
KK MIYANAGA (JP)
International Classes:
B28D1/14; B23B47/00; B23Q11/10; B28D7/02; F04C5/00; F16H1/46
Foreign References:
| JPH04217411A | 1992-08-07 | |||
| JP2017196846A | 2017-11-02 | |||
| JP2019107754A | 2019-07-04 | |||
| JP2005145041A | 2005-06-09 | |||
| JP2007313855A | 2007-12-06 |
Other References:
See also references of EP 4129600A4
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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