FR1461153A - Improvement in mine supports - Google Patents

Improvement in mine supports

Info

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
Application number
FR43321A
Other languages
French (fr)
Inventor
George Jackson Best
Joseph Gaskell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gullick Ltd
Original Assignee
Gullick Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gullick Ltd filed Critical Gullick Ltd
Application granted granted Critical
Publication of FR1461153A publication Critical patent/FR1461153A/en
Expired legal-status Critical Current

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)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR43321A 1965-01-06 1965-12-22 Improvement in mine supports Expired FR1461153A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3367118A (en) 1968-02-06
AT264424B (en) 1968-08-26
DE1970004U (en) 1967-10-12

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