Invention Grant
US08434207B2 Corrugated conduit and method of expanding to form a lined tubular member
有权
波纹管道和膨胀方法形成衬里的管状构件
- Patent Title: Corrugated conduit and method of expanding to form a lined tubular member
- Patent Title (中): 波纹管道和膨胀方法形成衬里的管状构件
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Application No.: US13089048Application Date: 2011-04-18
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Publication No.: US08434207B2Publication Date: 2013-05-07
- Inventor: L. Robert Zifferer , Edward A. Reed
- Applicant: L. Robert Zifferer , Edward A. Reed
- Applicant Address: US TX Waco
- Assignee: Packless Industries
- Current Assignee: Packless Industries
- Current Assignee Address: US TX Waco
- Agency: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
- Agent Eric B. Meyertons
- Main IPC: B21D15/03
- IPC: B21D15/03 ; B23P17/00
Abstract:
Methods of forming a lined tubular member are described herein. A method includes forming at least one corrugated portion in a conduit having at least one substantially tapered end to form a corrugated conduit, providing the corrugated conduit to a tubular member; and expanding the corrugated conduit while the corrugated conduit is inside the tubular member.
Public/Granted literature
- US20110252624A1 CORRUGATED CONDUIT AND METHOD OF EXPANDING TO FORM A LINED TUBULAR MEMBER Public/Granted day:2011-10-20
Information query
