Title:
ボーリング用刃具、ボーリング用加工機及びボーリング方法
Document Type and Number:
Japanese Patent JP7448185
Kind Code:
B2
Abstract:
A cutting tool for boring (40) that is attached to a machining apparatus and used for cutting a hole (13) on a large-diameter side of a stepped hole of a workpiece (10) is provided. The cutting tool for boring (40) is a set of two tools, and each cutting tool for boring (40a, 40b) in the set of two includes a shaft part (41), a cutting blade (42) laterally protruding from the respective shaft parts (41), and an abutment surface (43) formed at the tip of each shaft part (41) and used to cause the tips of the respective shaft parts (41) to butt against each other. Each cutting tool for boring (40a, 40b) performs cutting while the two cutting tools for boring (40a, 40b) rotate integrally around the center line of the shaft parts (41) in a coupled state in which the tips of the cutting tools for boring (40a, 40b) are butted together.
Inventors:
Haruo Mandai
Application Number:
JP2019187334A
Publication Date:
March 12, 2024
Filing Date:
October 11, 2019
Export Citation:
Assignee:
Hull Technology Institute Co., Ltd.
International Classes:
B23B29/02; B23B35/00; B23B39/22; B23B41/00
Domestic Patent References:
| JP2004268245A | ||||
| JP7009216A | ||||
| JP5012017U | ||||
| JP2009066672A | ||||
| JP2014195851A | ||||
| JP61188008A |
Attorney, Agent or Firm:
Mori Patent Office
Toshio Mori
Kozaburo Mori
Atsushi Kimura
Hideaki Tanaka
Toshio Mori
Kozaburo Mori
Atsushi Kimura
Hideaki Tanaka
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