Cleaning shoe for pipe

Details Cleaning shoe for pipe Cleaning shoe for pipe

1998-07-24

2000-02-08

Till, Terrence R.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

1510405, 1510416, B08B 902

Patent

active

060224223

ABSTRACT:
A grinding shoe is designed to be a passive grinder which is advanced within the bore of a pipe being rotated in a typical pipe operation. Apparatus currently used to deliver reamer rocks on the end of a rotating lance can be modified to achieve considerable cost savings. Specifically, the apparatus utilizes a lance for advancing the shoe within the pipe without rotation. The shoe is affixed near the end of the lance in a selected attitude which determines the degree of grinding to be accomplished. A pair of shoe walls extending substantially paraxially with the rotating tube form a dual reaming head which engages the pipe interior across a chord over the bottom of the pipe.

REFERENCES:
patent: 348141 (1886-08-01), Rowell
patent: 1111208 (1914-08-01), Blumenthal
patent: 2818591 (1958-01-01), Joynes
patent: 3116576 (1964-01-01), Block
patent: 3410349 (1968-11-01), Troutman
patent: 3848289 (1974-11-01), Bachman
patent: 4137928 (1979-02-01), Sentell
patent: 5015299 (1991-05-01), Schweder

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