# US 7,607,187 B2 · One step copper pipe fitting abrasion preparation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,607,187 B2 - Document ID: US7607187B2 - Status: Granted - Kind: B2 - Application number: 12/378,972 - Filed: 2009-02-21 - Published: 2009-08-20 - Granted: 2009-10-27 - Earliest claimed: 2005-07-06 - Inventors: Steven Joseph Vargas - Web page: https://patentgrep.com/patent/US7607187B2 ## CPC - B08B 9/021: {Cleaning pipe ends or pipe fittings, e.g. before soldering} - B24B 9/007: {for end faces of tubes} - B24B 23/02: with rotating grinding tools; Accessories therefor - B24B 29/005: {using brushes} - B24D 13/10: comprising assemblies of brushes - B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL - B24B: MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw-threads B23G1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G1/00; abrasives C09K3/14; electrolytic etching or polishing C25F3/00; grinding arrangements for use on assembled railway tracks E01B31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS - B24D: TOOLS FOR GRINDING, BUFFING OR SHARPENING (abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls B24B31/14; honing tools B24B33/08; lapping tools B24B37/11) ## Abstract A method for abrading or polishing and reaming the terminal ends of tubing or fittings using a hand-held electrically powered device having a rotating member capable of accepting a standard shaft which has attached to it a male and female abrasive member which will polish or abrade the inside and outside of a length tubing or fitting respectively uses the same tool. Also attached to the standard shaft is a reamer for removing unwanted material from the end of the length of tubing. All of these members are attached at the same end of the standard shaft, thereby allowing all the operations to be performed at one time on each tubing or mating fitting member. In addition, the standard shaft may be connected to a clutch release mechanism allowing the tool mechanism to disengage upon the application of excessive torque. ## Claims ### Claim 1 A method for combining the steps of abrading or polishing and reaming terminal ends of tubing and fittings in one operation performed by a tool, in order for the tubing to be abraded and reamed to permit subsequent joining of the tubing to a like abraded and reamed fitting to form a continuous length of tubing wherein a hand-held electrically powered device having a rotating extension capable of accepting a shaft comprises the steps of; a. concentrically connecting a male abrasive member to said shaft; b. concentrically connecting a female abrasive member to an outer circumferential housing which encompasses the tool; c. attaching said outer circumferential housing to said shaft; d. attaching a reaming device to said shaft; e. connecting said shaft to said rotating extension of said hand-held electrically powered device wherein the following steps are performed in one operation; 1. rotatably and abrasively engaging an inner surface of an end of a length of tubing or fitting; 2. rotatably and abrasively engaging an outer surface of the end of a length of tubing or fitting and 3. rotatably and abrasively engaging said reaming device for removing unwanted material from the end of a length of tubing or fitting. ### Claim 2 (depends on 1) The method of claim 1 wherein said female abrasive members, said male abrasive members and said reaming device comprise the step of rotatably and concentrically connecting to each other at an end opposite the entry point of the length of tubing or fitting. ### Claim 3 (depends on 1) The method of claim 1 wherein the female abrasive members comprise the step of attaching to the aforesaid outer circumferential housing by various bonding means. ### Claim 4 (depends on 1) The method of claim 1 wherein the outer circumferential housing comprises the step of attaching to the aforesaid shaft by various bonding means. ### Claim 5 (depends on 1) The method of claim 1 wherein the male abrasive members comprise the step of attaching to the aforesaid shaft by various bonding means. ### Claim 6 (depends on 1) The method of claim 1 wherein the reaming device comprises the step of attaching to the aforesaid shaft by various bonding means. ### Claim 7 A method for combining the steps of abrading or polishing and reaming terminal ends of tubing and fittings in one operation preformed by a tool, in order for the tubing to be abraded and reamed to permit subsequent joining of the tubing to a like abraded and reamed fitting to form a continuous length of tubing wherein a hand-held electrically powered device having a rotating extension capable of accepting a shaft comprises the steps of; a. concentrically connecting a male abrasive member to a second shaft; b. concentrically connecting a female abrasive member to an outer circumferential housing which encompasses the tool; c. attaching said outer circumferential housing to said second shaft; d. attaching a reaming device to said second shaft; e. concentrically attaching said second shaft to said shaft and f. connecting said shaft to said rotating extension of said hand-held electrically powered device wherein the following steps are performed in one operation; 1. rotatably and abrasively engaging an inner surface of an end of a length of tubing or fitting; 2. rotatably and abrasively engaging an outer surface of the end of a length of tubing or fitting and 3. rotatably and abrasively engaging said reaming device for removing unwanted material from the end of a length of tubing or fitting. ### Claim 8 (depends on 7) The method of claim 7 wherein said female abrasive members, said mate abrasive members and said reaming device comprise the step of rotatably and concentrically connecting to each other at an end opposite the entry point of the length of tubing or fitting. ### Claim 9 (depends on 7) The method of claim 7 wherein the female abrasive members comprise the step of attaching to the aforesaid outer circumferential housing by various bonding means. ### Claim 10 (depends on 7) The method of claim 7 wherein the outer circumferential housing comprises the step of attaching to the aforesaid second shaft by various bonding means. ### Claim 11 (depends on 7) The method of claim 7 wherein the male abrasive members comprise the step of attaching to the aforesaid second shaft by various bonding means. ### Claim 12 (depends on 7) The method of claim 7 wherein the reaming device comprises the step of attaching to the aforesaid second shaft by various bonding means. ### Claim 13 A method for combining the steps of abrading or polishing and reaming terminal ends of tubing and fittings in one operation performed by a tool, in order for the tubing to be abraded and reamed to permit subsequent joining of the tubing to a like abraded and reamed fitting to form a continuous length of tubing wherein a hand-held electrically powered device having a rotating extension capable of accepting a shaft comprises the steps of; a. concentrically connecting a clutch release mechanism to disengage upon the application of excessive torque to said second shaft; b. concentrically connecting a male abrasive member to a second shaft; c. concentrically connecting a female abrasive member to an outer circumferential housing which encompasses the tool; d. attaching said outer circumferential housing to said second shaft; e. attaching a reaming device to said second shaft; f. concentrically attaching said second shaft to said shaft and g. connecting said shaft to said rotating extension of said hand-held electrically powered device wherein the following steps are performed in one operation; 1. rotatably and abrasively engaging an inner surface of an end of a length of tubing or fitting; 2. rotatably and abrasively engaging an outer surface of the end of a length of tubing or fitting and 3. rotatably and abrasively engaging said reaming device for removing unwanted material from the end of a length of tubing or fitting. ### Claim 14 (depends on 13) The method of claim 13 wherein said female abrasive members, said male abrasive members, said reaming device and said clutch release mechanism comprise the step of rotatably and concentrically connecting to each other at an end opposite the entry point of the length of tubing or fitting. ### Claim 15 (depends on 13) The method of claim 13 wherein the clutch release mechanism comprises the step of attaching to the second shaft by various bonding means. ### Claim 16 (depends on 13) The method of claim 13 wherein the female abrasive members comprise the step of attaching to the aforesaid outer circumferential housing by various bonding means. ### Claim 17 (depends on 13) The method of claim 13 wherein the outer circumferential housing comprises the step of attaching to the aforesaid second shaft by various bonding means. ### Claim 18 (depends on 13) The method of claim 13 wherein the male abrasive members comprise the step of attaching to the aforesaid second shaft by various bonding means. ### Claim 19 (depends on 13) The method of claim 13 wherein the reaming device comprises the step of attaching to the aforesaid second shaft by various bonding means.