FR2189626A1 - - Google Patents
Info
- Publication number
- FR2189626A1 FR2189626A1 FR7319109A FR7319109A FR2189626A1 FR 2189626 A1 FR2189626 A1 FR 2189626A1 FR 7319109 A FR7319109 A FR 7319109A FR 7319109 A FR7319109 A FR 7319109A FR 2189626 A1 FR2189626 A1 FR 2189626A1
- Authority
- FR
- France
- 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
- E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
- E21C25/28—Chains or chain guides
- E21C25/34—Chains
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25730172A | 1972-05-26 | 1972-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2189626A1 true FR2189626A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-25 |
| FR2189626B1 FR2189626B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-09-17 |
Family
ID=22975707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7319109A Expired FR2189626B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-05-26 | 1973-05-25 |
Country Status (3)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663681A1 (fr) * | 1990-06-21 | 1991-12-27 | Dresser Ind | Haveuse pour machine de mine et procede d'entrainement d'une chaine de havage. |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167293A (en) * | 1978-06-06 | 1979-09-11 | Dresser Industries, Inc. | Sprocket tightener |
| US4244625A (en) * | 1978-07-13 | 1981-01-13 | Boring & Tunneling Company Of America, Inc. | Apparatus for cutting hard earth formations |
| WO2015117042A1 (en) | 2014-01-31 | 2015-08-06 | Hagenbuch Roy George Le | Cutter assembly with freewheeling cutting elements |
| US10352163B2 (en) | 2014-01-31 | 2019-07-16 | Leroy G. Hagenbuch | Cutter assembly with freewheeling cutting elements |
| US20160032722A1 (en) * | 2014-07-30 | 2016-02-04 | Itr America Llc | Cutting link for mining chain and mining pin retention system |
| CN104929632B (zh) * | 2015-05-08 | 2017-06-20 | 中国矿业大学 | 一种用于采煤机割煤的截割链 |
| US10982540B2 (en) | 2015-06-09 | 2021-04-20 | Itr America, Llc | Mining pin retention system |
| US11846187B2 (en) | 2017-08-30 | 2023-12-19 | Itr America, Llc | Mining pin retention system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2155526A (en) * | 1936-12-12 | 1939-04-25 | Bowdil Company | Reversible mining machine chain |
| US2569584A (en) * | 1941-11-06 | 1951-10-02 | Austin Hoy & Company Ltd | Coal-cutter chain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US894184A (en) * | 1907-12-19 | 1908-07-28 | David Buel | Chain-link for mining-machines. |
-
1972
- 1972-05-26 US US00257301A patent/US3787091A/en not_active Expired - Lifetime
-
1973
- 1973-05-24 GB GB2499373A patent/GB1414415A/en not_active Expired
- 1973-05-25 FR FR7319109A patent/FR2189626B1/fr not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2155526A (en) * | 1936-12-12 | 1939-04-25 | Bowdil Company | Reversible mining machine chain |
| US2569584A (en) * | 1941-11-06 | 1951-10-02 | Austin Hoy & Company Ltd | Coal-cutter chain |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663681A1 (fr) * | 1990-06-21 | 1991-12-27 | Dresser Ind | Haveuse pour machine de mine et procede d'entrainement d'une chaine de havage. |
Also Published As
| Publication number | Publication date |
|---|---|
| US3787091A (en) | 1974-01-22 |
| FR2189626B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-09-17 |
| GB1414415A (en) | 1975-11-19 |
| AU5539073A (en) | 1974-11-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |