FR1461153A - Improvement in mine supports - Google Patents
Improvement in mine supportsInfo
- Publication number
- FR1461153A FR1461153A FR43321A FR43321A FR1461153A FR 1461153 A FR1461153 A FR 1461153A FR 43321 A FR43321 A FR 43321A FR 43321 A FR43321 A FR 43321A FR 1461153 A FR1461153 A FR 1461153A
- Authority
- FR
- France
- Prior art keywords
- improvement
- mine supports
- mine
- supports
- 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
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32008—Plural distinct articulation axes
- Y10T403/32081—Parallel rotary
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32951—Transverse pin or stud
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB50865 | 1965-01-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1461153A true FR1461153A (en) | 1966-12-02 |
Family
ID=9705588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR43321A Expired FR1461153A (en) | 1965-01-06 | 1965-12-22 | Improvement in mine supports |
Country Status (4)
Country | Link |
---|---|
US (1) | US3367118A (en) |
AT (1) | AT264424B (en) |
DE (1) | DE1970004U (en) |
FR (1) | FR1461153A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2540048C2 (en) * | 1975-09-09 | 1984-01-26 | Klöckner-Werke AG, 4100 Duisburg | Device with a rear cylinder for a shield support frame traveling with a face conveyor and with a push piston gear for lifting the coal face end of the bed sleeper while moving back |
DE2803907C3 (en) * | 1978-01-30 | 1982-09-23 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Detachable articulated connection for underground mining and its use on a longwall frame |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1004630A (en) * | 1963-05-07 | 1965-09-15 | Dobson Ltd W E & F | Improvements relating to mine roof support and conveyor means |
-
1965
- 1965-11-29 US US510342A patent/US3367118A/en not_active Expired - Lifetime
- 1965-12-22 FR FR43321A patent/FR1461153A/en not_active Expired
- 1965-12-31 DE DEG33690U patent/DE1970004U/en not_active Expired
-
1966
- 1966-01-05 AT AT7966A patent/AT264424B/en active
Also Published As
Publication number | Publication date |
---|---|
AT264424B (en) | 1968-08-26 |
DE1970004U (en) | 1967-10-12 |
US3367118A (en) | 1968-02-06 |
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