Invention Grant
- Patent Title: Screwed pipe joint and method for the production thereof
- Patent Title (中): 螺旋管接头及其制造方法
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Application No.: US13395314Application Date: 2010-08-12
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Publication No.: US08745869B2Publication Date: 2014-06-10
- Inventor: Gerd Berghaus , Harald Pott
- Applicant: Gerd Berghaus , Harald Pott
- Applicant Address: DE Wipperfurth
- Assignee: VOSS Fluid GmbH
- Current Assignee: VOSS Fluid GmbH
- Current Assignee Address: DE Wipperfurth
- Agency: Brinks Gilson & Lione
- Priority: DE102009041056 20090910
- International Application: PCT/EP2010/061734 WO 20100812
- International Announcement: WO2011/029687 WO 20110317
- Main IPC: B21D51/16
- IPC: B21D51/16

Abstract:
A screwed pipe connection for connecting a pipeline including a connection end having a formed wall region. The screwed pipe connection includes a connection part and a union joint part. Proceeding from the end face of the connection end of the pipeline, an outside cross-section of the pipeline increases and is larger than the nominal outside cross-section, then decreases again. Proceeding from the end face, a clear inside cross-section of the connection end is larger than the nominal inside cross-section and decreases to the nominal inside cross-section. The wall thickness on the end face is smaller than the nominal wall thickness, and wherein an inner material difference, resulting from the deviation of the inside cross-section from the nominal inside cross-section, and an outer material difference, resulting from the deviation of the outside cross-section from the nominal outside cross-section, deviate from one another by a maximum of 30 percent.
Public/Granted literature
- US20120169045A1 SCREWED PIPE JOINT AND METHOD FOR THE PRODUCTION THEREOF Public/Granted day:2012-07-05
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