Invention Grant
- Patent Title: Multi-walled tube and method of manufacture
- Patent Title (中): 多壁管及其制造方法
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Application No.: US11588803Application Date: 2006-10-27
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Publication No.: US07788960B2Publication Date: 2010-09-07
- Inventor: Robert Raymond Petkovsek , Louis Hagedorn
- Applicant: Robert Raymond Petkovsek , Louis Hagedorn
- Applicant Address: US MN Minneapolis
- Assignee: Cummins Filtration IP, Inc.
- Current Assignee: Cummins Filtration IP, Inc.
- Current Assignee Address: US MN Minneapolis
- Agency: Krieg DeVault LLP
- Agent J. Bruce Schelkopf, Esq.
- Main IPC: B21D3/00
- IPC: B21D3/00
Abstract:
A method of forming multi-wall tube from a single-wall piece of tube. The multi-wall tube is formed by relative motion between a die shoe and the single-wall tube to deform the material.
Public/Granted literature
- US20080169489A1 Multi-walled tube and method of manufacture Public/Granted day:2008-07-17
Information query
