Infrared heating method, infrared heating and forming method of steel sheet and automobile component obtained thereby, and infrared heating furnace
US-2015376728-A1 · Dec 31, 2015 · US
Device and method for the forming of blanks from high and very high strength steels
US9068239B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9068239-B2 |
| Application number | US-29754307-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 24, 2007 |
| Priority date | Apr 24, 2006 |
| Publication date | Jun 30, 2015 |
| Grant date | Jun 30, 2015 |
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Abstract
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A forming tool and a method for the press-hardening and tempered forming of a blank from high and/or very high strength steels are provided, in which the blank is heated before the tempered forming and then formed hot or semi-hot in a forming tool, wherein the forming tool has means for tempering. This is achieved in that the forming tool makes precisely defined temperature guidance of the blank during forming, and in that a plurality of controllable means are provided in the forming tool for tempering the forming tool, by which a plurality of temperature zones can be tempered in the forming tool, wherein at least contact surfaces of forming tool elements used for the tempered forming are allocated to individual temperature zones.
First claim
Opening claim text (preview).
The invention claimed is: 1. Method for adjusting a microstructure of a blank from high and/or very high strength steel during press-hardening and tempered forming of the blank, in which the blank is heated at least to an austenitizing temperature before the tempered forming and then hot-formed in a forming tool having means for tempering, wherein the blank is formed by contact surfaces of forming tool elements provided in the forming tool for the tempered forming, wherein the cont…
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Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
- C21D1/34Primary
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9068239B2 cover?
- A forming tool and a method for the press-hardening and tempered forming of a blank from high and/or very high strength steels are provided, in which the blank is heated before the tempered forming and then formed hot or semi-hot in a forming tool, wherein the forming tool has means for tempering. This is achieved in that the forming tool makes precisely defined temperature guidance of the blan…
- Who is the assignee on this patent?
- Lenze Franz-Josef, Sikora Sascha, Thyssenkrupp Steel Europe Ag
- What technology area does this patent fall under?
- Primary CPC classification C21D1/34. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 30 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).