Invention Grant
- Patent Title: Pipe ring apparatus
- Patent Title (中): 管环设备
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Application No.: US12111653Application Date: 2008-04-29
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Publication No.: US07661731B2Publication Date: 2010-02-16
- Inventor: Earl Terence Bradley
- Applicant: Earl Terence Bradley
- Applicant Address: US TX Eastland
- Assignee: EBAA Iron, Inc.
- Current Assignee: EBAA Iron, Inc.
- Current Assignee Address: US TX Eastland
- Agency: Haynes and Boone, LLP
- Main IPC: F16L19/08
- IPC: F16L19/08 ; F16L21/06
Abstract:
An apparatus according to which the apparatus includes a pair of connected arcuate members for clamping around a pipe, with each arcuate member including at least one protrusion. The arcuate members have a first material hardness and at least a portion of the at least one protrusion has a second material hardness that is greater than the first material hardness so that the portion penetratingly engages the pipe when the arcuate members are clamped around the pipe.
Public/Granted literature
- US20080203727A1 PIPE RING APPARATUS AND METHOD Public/Granted day:2008-08-28
Information query
