The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
Nov. 01, 2016
Osg Corporation, Toyokawa-shi, Aichi, JP;
Jiro Osawa, Toyokawa, JP;
Tamotsu Nagai, Toyokawa, JP;
OSG CORPORATION, Toyokawa-shi, Aichi, JP;
Abstract
A main body () of a replaceable-tip cutting tool () includes a cylinder-shaped cylindrical portion () made from a first metal material and extending in an axial direction, and with a female thread portion () provided on an inner circumference () of the cylindrical portion () and capable of being screwed together with a male threaded portion () of a cutting head (). The female thread portion () includes a first female thread portion () and a second female thread portion (). The first female thread portion () is a portion between a top of a female thread crest () of the female thread portion () and a portion of the female thread portion () that is on the female thread crest () side of a female thread root () and on the female thread root side of a portion corresponding to an effective diameter of the female thread portion (). The first female thread portion () is made from a second metal material that is different from the first metal material. The second female thread portion () is continuous with the inner circumference () of the cylindrical portion (). The second female thread portion is a remaining portion of the female thread portion excluding the first female thread portion. The second female thread portion () is made from the first metal material.