Invention Grant
- Patent Title: Apparatus for joining sections of pipe
- Patent Title (中): 用于连接管道部分的装置
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Application No.: US12660510Application Date: 2010-03-01
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Publication No.: US08835808B2Publication Date: 2014-09-16
- Inventor: John M. Boatner, Jr.
- Applicant: John M. Boatner, Jr.
- Agent Michael J. Vallan
- Main IPC: B21J13/08
- IPC: B21J13/08 ; B23K31/02 ; B23K9/167 ; B23K9/028 ; B23K9/035 ; B23K37/053
Abstract:
The present invention relates to a method and apparatus to be used when welding two abutting sections of pipe or tubing, and also to purge blocks for establishing a localized inert atmosphere inside two abutting pipe sections in the region of a desired weld joint. The present invention comprises an inflatable bladder with elongated engaging members that can be removable positioned within the ends of two abutting pipe sections in order to center the two abutting sections of pipe and create the purge block.
Public/Granted literature
- US20110210112A1 Apparatus for joining sections of pipe Public/Granted day:2011-09-01
Information query
