Stretch rolling device and stretch rolling method
US-12246370-B2 · Mar 11, 2025 · US
Production method for a semi-finished product and semi-finished product
US9718115B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9718115-B2 |
| Application number | US-201113809771-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 14, 2011 |
| Priority date | Jul 14, 2010 |
| Publication date | Aug 1, 2017 |
| Grant date | Aug 1, 2017 |
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Abstract
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The production method according to the invention for creating a thread in an elongated semi-finished product comprises the following steps: shaping, especially lengthwise rolling, of at least two lengthwise grooves into a blank and lengthwise rolling of a thread into the areas circumferentially delimited by the grooves. The distance from the beds of the grooves to the axis of the blank is smaller than the distance from the root of the thread to the axis.
First claim
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What is claimed is: 1. A production method for creating a thread in an elongated semi-finished product, comprising the following steps: shaping at least two lengthwise grooves into a blank and lengthwise rolling a thread into areas circumferentially delimited by the grooves, a distance from beds of the grooves to an axis of the blank being smaller than a distance from a root of the thread to the axis; wherein the blank is conveyed along a direction of movement and rollers that ser…
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- What does patent US9718115B2 cover?
- The production method according to the invention for creating a thread in an elongated semi-finished product comprises the following steps: shaping, especially lengthwise rolling, of at least two lengthwise grooves into a blank and lengthwise rolling of a thread into the areas circumferentially delimited by the grooves. The distance from the beds of the grooves to the axis of the blank is small…
- Who is the assignee on this patent?
- Selb Michael, Wissling Matthias, Kueper Armin, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification B21H1/20. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 01 2017 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).