JPS50125388A - - Google Patents
Info
- Publication number
- JPS50125388A JPS50125388A JP50024099A JP2409975A JPS50125388A JP S50125388 A JPS50125388 A JP S50125388A JP 50024099 A JP50024099 A JP 50024099A JP 2409975 A JP2409975 A JP 2409975A JP S50125388 A JPS50125388 A JP S50125388A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
- B23C3/05—Finishing valves or valve seats
- B23C3/051—Reconditioning of valve seats
- B23C3/053—Reconditioning of valve seats having means for guiding the tool carrying spindle
- B23C3/056—Reconditioning of valve seats having means for guiding the tool carrying spindle for taps or valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/557—Frictionally engaging sides of opening in work
- Y10T408/558—Opening coaxial with Tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/557—Frictionally engaging sides of opening in work
- Y10T408/558—Opening coaxial with Tool
- Y10T408/5587—Valve fitting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Drilling And Boring (AREA)
- Turning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US447261A US3881396A (en) | 1974-03-01 | 1974-03-01 | Portable boring bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50125388A true JPS50125388A (US06229276-20010508-P00022.png) | 1975-10-02 |
| JPS546112B2 JPS546112B2 (US06229276-20010508-P00022.png) | 1979-03-24 |
Family
ID=23775635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2409975A Expired JPS546112B2 (US06229276-20010508-P00022.png) | 1974-03-01 | 1975-02-28 |
Country Status (5)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992122A (en) * | 1974-02-19 | 1976-11-16 | Westinghouse Electric Corporation | High velocity, low-friction boring tool |
| US4011793A (en) * | 1975-10-07 | 1977-03-15 | Grimsley Ernest E | Portable boring bar |
| FR2563453B1 (fr) * | 1984-04-25 | 1988-01-08 | Eckendorff Jean Pierre | Porte-outil pour le reprofilage sur place, d'un siege deteriore de robinet |
| US4627163A (en) * | 1984-07-20 | 1986-12-09 | Westinghouse Electric Corp. | Tube cutter for cutting two concentric tubes bulged together |
| US4845896A (en) * | 1987-02-24 | 1989-07-11 | Failure Analysis Associates | Surface sampling device |
| US4872789A (en) * | 1987-12-28 | 1989-10-10 | Ford Motor Company | Method and apparatus for machining valve seats and valve stem guides in a deep-walled engine monoblock workpiece |
| US5146817A (en) * | 1990-12-21 | 1992-09-15 | Bickle Delton C | Boring bar for a limited slip differential |
| US7901162B2 (en) * | 2005-10-28 | 2011-03-08 | Mueller International, Inc. | Pipe tapping apparatuses and systems |
| DE102009046401B4 (de) * | 2009-11-04 | 2012-08-09 | Areva Np Gmbh | Verfahren und Vorrichtung zur Bearbeitung eines Dichtsitzes einer Absperrarmatur |
| US9393625B2 (en) | 2010-11-29 | 2016-07-19 | Magna-Sonic Stress Testers, Inc. | Refacing tools and methods |
| US11306605B2 (en) * | 2017-04-28 | 2022-04-19 | Siemens Energy, Inc. | Automated reheat stop valve seat restoration |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US400989A (en) * | 1889-04-09 | Pliny j | ||
| US692459A (en) * | 1901-05-16 | 1902-02-04 | Joseph C Langlois | Valve-reseating device. |
| US814418A (en) * | 1905-07-07 | 1906-03-06 | Leavitt Machine Co | Rotary cutting device. |
| US934642A (en) * | 1909-03-12 | 1909-09-21 | Leavitt Machine Co | Valve-reseating tool. |
| US1085832A (en) * | 1913-04-24 | 1914-02-03 | Wilhelm Westerheide | Device for finishing and particularly for remilling valve-seats and valve-cones. |
| US1186403A (en) * | 1915-08-30 | 1916-06-06 | Sigurd Halvdan Johnsen | Tool for shaping valve-seats. |
| US2959109A (en) * | 1957-01-31 | 1960-11-08 | Clifford A Buchan | Fly cutter tool |
| US3068725A (en) * | 1960-10-13 | 1962-12-18 | Williamson Inc T | Drilling apparatus |
-
1974
- 1974-03-01 US US447261A patent/US3881396A/en not_active Expired - Lifetime
-
1975
- 1975-02-17 CA CA220,271A patent/CA1018374A/en not_active Expired
- 1975-02-28 JP JP2409975A patent/JPS546112B2/ja not_active Expired
- 1975-02-28 DE DE19752508868 patent/DE2508868A1/de not_active Withdrawn
- 1975-03-03 GB GB875275A patent/GB1451749A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3881396A (en) | 1975-05-06 |
| JPS546112B2 (US06229276-20010508-P00022.png) | 1979-03-24 |
| AU7858875A (en) | 1976-08-26 |
| DE2508868A1 (de) | 1975-09-04 |
| CA1018374A (en) | 1977-10-04 |
| GB1451749A (en) | 1976-10-06 |
