FR1371312A - Nouvelle tarière d'abattage - Google Patents
Nouvelle tarière d'abattageInfo
- Publication number
- FR1371312A FR1371312A FR942414A FR942414A FR1371312A FR 1371312 A FR1371312 A FR 1371312A FR 942414 A FR942414 A FR 942414A FR 942414 A FR942414 A FR 942414A FR 1371312 A FR1371312 A FR 1371312A
- Authority
- FR
- France
- Prior art keywords
- auger
- felling
- new
- new felling
- felling auger
- Prior art date
- 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.)
- Expired
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
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)
- Earth Drilling (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR942414A FR1371312A (fr) | 1963-07-23 | 1963-07-23 | Nouvelle tarière d'abattage |
BE650852D BE650852A (fr) | 1963-07-23 | 1964-07-22 | |
GB30691/64A GB1058815A (en) | 1963-07-23 | 1964-08-04 | Improvements in or relating to cutting augers |
US604519A US3325220A (en) | 1963-07-23 | 1966-11-29 | Cutting auger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR942414A FR1371312A (fr) | 1963-07-23 | 1963-07-23 | Nouvelle tarière d'abattage |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1371312A true FR1371312A (fr) | 1964-09-04 |
Family
ID=8808994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR942414A Expired FR1371312A (fr) | 1963-07-23 | 1963-07-23 | Nouvelle tarière d'abattage |
Country Status (4)
Country | Link |
---|---|
US (1) | US3325220A (fr) |
BE (1) | BE650852A (fr) |
FR (1) | FR1371312A (fr) |
GB (1) | GB1058815A (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1854911A (en) * | 1929-03-12 | 1932-04-19 | Hughes Tool Co | Earth boring drill |
US2587065A (en) * | 1950-03-25 | 1952-02-26 | James S Robbins | Cutting tool mounting |
US2711888A (en) * | 1954-05-24 | 1955-06-28 | Goodman Mfg Co | Mining machines with radially adjustable boring head |
US2955810A (en) * | 1959-05-11 | 1960-10-11 | Goodman Mfg Co | Cutting device for the continuous cutting of coal and the like |
-
1963
- 1963-07-23 FR FR942414A patent/FR1371312A/fr not_active Expired
-
1964
- 1964-07-22 BE BE650852D patent/BE650852A/xx unknown
- 1964-08-04 GB GB30691/64A patent/GB1058815A/en not_active Expired
-
1966
- 1966-11-29 US US604519A patent/US3325220A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE650852A (fr) | 1965-01-22 |
US3325220A (en) | 1967-06-13 |
GB1058815A (en) | 1967-02-15 |
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