Cutting insert
US-2016339524-A1 · Nov 24, 2016 · US
Insert for drill
US8979443B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8979443-B2 |
| Application number | US-80865508-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 23, 2008 |
| Priority date | Dec 28, 2007 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A drill insert of the present invention comprises a corner part, and an upper face having a first side and a second side disposed on both sides of the corner part, respectively. The drill insert comprises a first cutting edge formed along the first side; a second cutting edge formed along the second side; a first region of the upper face located along the first cutting edge; a second region of the upper face located along the second cutting edge; and a first raised part disposed in the first region so as to lie at a higher position than the second region. The first raised part has an upper portion; a breaker portion configured to be inclined so as to become at a lower position as the first raised part extends from the upper portion; and a side portion configured to be inclined so as to become at a lower position as the side portion extends from the upper portion. The first raised part is disposed at a position closer to the first cutting edge than a bisector of the corner part when viewed from above.
First claim
Opening claim text (preview).
The invention claimed is: 1. A drill insert with a corner part and an upper face, the upper face having a first side and a second side disposed on both sides of the corner part, respectively, comprising: a first cutting edge formed along the first side; a second cutting edge formed along the second side; a first region of the upper face located along the first cutting edge; a second region of the upper face located along the second cutting edge; and a first raised part whi…
Assignees
Inventors
Classifications
- B23B27/143Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
- B23B51/048Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
- B23B51/00Primary
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8979443B2 cover?
- A drill insert of the present invention comprises a corner part, and an upper face having a first side and a second side disposed on both sides of the corner part, respectively. The drill insert comprises a first cutting edge formed along the first side; a second cutting edge formed along the second side; a first region of the upper face located along the first cutting edge; a second r…
- Who is the assignee on this patent?
- Okumura Takashi, Kyocera Corp
- What technology area does this patent fall under?
- Primary CPC classification B23B27/143. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).