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Title: Pipe weld crown removal device

Abstract

A device is provided for grinding down the crown of a pipe weld joining aligned pipe sections so that the weld is substantially flush with the pipe sections joined by the weld. The device includes a cage assembly comprising a pair of spaced cage rings adapted to be mounted for rotation on the respective pipe sections on opposite sides of the weld, a plurality of grinding wheels, supported by the cage assembly for grinding down the crown of the weld, and a plurality of support shafts, each extending longitudinally along the joined pipe sections, parallel thereto, for individually mounting respective grinding wheels. Each end of the support shafts is mounted for rotation in a bearing assembly housed within a radially directed opening in a corresponding one of the cage rings so as to provide radial movement of the associated shaft, and thus of the associated grinding wheel, towards and away from the weld. A first drive sprocket provides rotation of the cage assembly around the pipe sections while a second drive unit, driven by a common motor, provides rotation of the grinding wheels.

Inventors:
 [1];  [2]
  1. Pleasant Hills, PA
  2. West Newton, PA
Issue Date:
OSTI Identifier:
868547
Patent Number(s):
5165206
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
B - PERFORMING OPERATIONS B24 - GRINDING B24B - MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
pipe; weld; crown; removal; device; provided; grinding; joining; aligned; sections; substantially; flush; joined; cage; assembly; comprising; pair; spaced; rings; adapted; mounted; rotation; respective; opposite; plurality; wheels; supported; support; shafts; extending; longitudinally; parallel; thereto; individually; mounting; bearing; housed; radially; directed; corresponding; provide; radial; movement; associated; shaft; wheel; towards; drive; sprocket; provides; unit; driven; common; motor; radial movement; pipe sections; bearing assembly; grinding wheels; support shaft; extending longitudinally; assembly comprising; drive unit; removal device; radially directed; grinding wheel; sections joined; provide radial; pipe weld; /451/29/409/

Citation Formats

Sword, Charles K, and Sette, Primo J. Pipe weld crown removal device. United States: N. p., 1992. Web.
Sword, Charles K, & Sette, Primo J. Pipe weld crown removal device. United States.
Sword, Charles K, and Sette, Primo J. Wed . "Pipe weld crown removal device". United States. https://www.osti.gov/servlets/purl/868547.
@article{osti_868547,
title = {Pipe weld crown removal device},
author = {Sword, Charles K and Sette, Primo J},
abstractNote = {A device is provided for grinding down the crown of a pipe weld joining aligned pipe sections so that the weld is substantially flush with the pipe sections joined by the weld. The device includes a cage assembly comprising a pair of spaced cage rings adapted to be mounted for rotation on the respective pipe sections on opposite sides of the weld, a plurality of grinding wheels, supported by the cage assembly for grinding down the crown of the weld, and a plurality of support shafts, each extending longitudinally along the joined pipe sections, parallel thereto, for individually mounting respective grinding wheels. Each end of the support shafts is mounted for rotation in a bearing assembly housed within a radially directed opening in a corresponding one of the cage rings so as to provide radial movement of the associated shaft, and thus of the associated grinding wheel, towards and away from the weld. A first drive sprocket provides rotation of the cage assembly around the pipe sections while a second drive unit, driven by a common motor, provides rotation of the grinding wheels.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {1}
}

Patent:

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