JPS52151603U - - Google Patents
Info
- Publication number
- JPS52151603U JPS52151603U JP1977060769U JP6076977U JPS52151603U JP S52151603 U JPS52151603 U JP S52151603U JP 1977060769 U JP1977060769 U JP 1977060769U JP 6076977 U JP6076977 U JP 6076977U JP S52151603 U JPS52151603 U JP S52151603U
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Food-Manufacturing Devices (AREA)
- Luminescent Compositions (AREA)
- Control Of Cutting Processes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Confectionery (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2621261A DE2621261C2 (de) | 1976-05-13 | 1976-05-13 | Schrämwalze |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52151603U true JPS52151603U ( ) | 1977-11-17 |
JPS5640958Y2 JPS5640958Y2 ( ) | 1981-09-25 |
Family
ID=5977879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1977060769U Expired JPS5640958Y2 ( ) | 1976-05-13 | 1977-05-12 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4119350A ( ) |
JP (1) | JPS5640958Y2 ( ) |
DE (1) | DE2621261C2 ( ) |
GB (1) | GB1534201A ( ) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3909695A1 (de) * | 1989-03-23 | 1990-09-27 | Wirtgen Gmbh | Fraesvorrichtung zum abfraesen von strassenbelaegen |
US5495899A (en) * | 1995-04-28 | 1996-03-05 | Baker Hughes Incorporated | Reamer wing with balanced cutting loads |
US6003623A (en) * | 1998-04-24 | 1999-12-21 | Dresser Industries, Inc. | Cutters and bits for terrestrial boring |
AU2003901176A0 (en) * | 2003-03-14 | 2003-03-27 | Age Mining Services Pty Ltd | A mining lacing pattern |
US7475949B2 (en) * | 2006-11-13 | 2009-01-13 | Kennametal Inc. | Edge cutter assembly for use with a rotatable drum |
US20090224596A1 (en) * | 2008-03-07 | 2009-09-10 | Cooper Mark R | Cutting Elements Disposed On A Drum |
CA2930578C (en) | 2013-11-15 | 2020-06-09 | Vermeer Manufacturing Company | Cutting tooth system |
US9803479B2 (en) * | 2014-07-25 | 2017-10-31 | Novatek Ip, Llc | End ring degradation pick support |
WO2016077363A1 (en) | 2014-11-10 | 2016-05-19 | Vermeer Manufacturing Company | Edge cutting element for rotatable cutting drum |
CN107461206B (zh) * | 2017-09-26 | 2019-06-04 | 辽宁工程技术大学 | 一种滚刀与截齿交替分布的密集型掘进机截割部 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967701A (en) * | 1957-05-06 | 1961-01-10 | Arnold G Wilcox | Method of continuous low seam short wall mining using rotary auger cutters |
US2979319A (en) * | 1958-08-07 | 1961-04-11 | Goodman Mfg Co | Mechanical miner having offset rotary heads |
US3139148A (en) * | 1959-04-17 | 1964-06-30 | Goodman Mfg Co | Rotary boring head having roller cutter disks |
US3158403A (en) * | 1960-02-24 | 1964-11-24 | Salem Tool Co | Selectively prepositioned bit holder |
GB1027337A (en) * | 1962-03-09 | 1966-04-27 | Crawley Engineering Developmen | Rotary boring heads for coal cutting machines |
DE1216821B (de) * | 1965-03-24 | 1966-05-18 | Eickhoff Geb | Schraemwalze |
US4046207A (en) * | 1976-09-01 | 1977-09-06 | Thomas Lee Taylor | Earth drilling tools |
-
1976
- 1976-05-13 DE DE2621261A patent/DE2621261C2/de not_active Expired
-
1977
- 1977-05-12 US US05/796,344 patent/US4119350A/en not_active Expired - Lifetime
- 1977-05-12 JP JP1977060769U patent/JPS5640958Y2/ja not_active Expired
- 1977-05-13 GB GB20114/77A patent/GB1534201A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4119350A (en) | 1978-10-10 |
DE2621261A1 (de) | 1977-11-24 |
DE2621261C2 (de) | 1983-02-24 |
GB1534201A (en) | 1978-11-29 |
JPS5640958Y2 ( ) | 1981-09-25 |