FR2124236A1 - - Google Patents

Info

Publication number
FR2124236A1
FR2124236A1 FR7201410A FR7201410A FR2124236A1 FR 2124236 A1 FR2124236 A1 FR 2124236A1 FR 7201410 A FR7201410 A FR 7201410A FR 7201410 A FR7201410 A FR 7201410A FR 2124236 A1 FR2124236 A1 FR 2124236A1
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.)
Withdrawn
Application number
FR7201410A
Other languages
French (fr)
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.)
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Original Assignee
Hemscheidt Hermann Maschinenfabrik GmbH and Co
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 Hemscheidt Hermann Maschinenfabrik GmbH and Co filed Critical Hemscheidt Hermann Maschinenfabrik GmbH and Co
Publication of FR2124236A1 publication Critical patent/FR2124236A1/fr
Withdrawn legal-status Critical Current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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • 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
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud
    • Y10T403/32409—Members locked in axial alignment
    • 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
    • Y10T403/32819—Pivoted including tension or take-up means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Bridges Or Land Bridges (AREA)
FR7201410A 1971-02-08 1972-01-17 Withdrawn FR2124236A1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712105795 DE2105795A1 (de) 1971-02-08 1971-02-08 Gelenkverbindung für Kappen von hydraulischem Schreitausbau

Publications (1)

Publication Number Publication Date
FR2124236A1 true FR2124236A1 (OSRAM) 1972-09-22

Family

ID=5798104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7201410A Withdrawn FR2124236A1 (OSRAM) 1971-02-08 1972-01-17

Country Status (7)

Country Link
US (1) US3748862A (OSRAM)
BE (1) BE778040A (OSRAM)
CA (1) CA955911A (OSRAM)
DE (1) DE2105795A1 (OSRAM)
FR (1) FR2124236A1 (OSRAM)
GB (1) GB1332636A (OSRAM)
PL (1) PL77334B1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192021B (en) * 1986-06-26 1990-03-21 Gullick Dobson Ltd A roof engaging structure for a mine roof support

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766495A (en) * 1954-11-26 1957-01-23 Becorit Grubenausbau Gmbh Improvements in or relating to mine-roof laggings
DE1218382B (de) * 1958-03-18 1966-06-08 Hermann Schwarz Kommanditgesel Zugfeste Verbindung fuer gelenkig verbundene Kappen im Strebausbau
DE1160390B (de) * 1961-04-28 1964-01-02 Rheinstahl Gmbh Wanheim Wanderndes Ausbauelement
DE1221177B (de) * 1965-05-08 1966-07-21 Gewerk Eisenhuette Westfalia Kappenzug fuer rueckbare hydraulische Ausbaugestelle mit Vorpfaendkappen
FR1530737A (fr) * 1966-08-11 1968-06-28 Gewerk Eisenhuette Westfalia Chapeau formé de plusieurs éléments pour châssis de soutènement, utilisable notamment dans les mines

Also Published As

Publication number Publication date
CA955911A (en) 1974-10-08
GB1332636A (en) 1973-10-03
DE2105795A1 (de) 1972-10-05
BE778040A (fr) 1972-05-02
US3748862A (en) 1973-07-31
PL77334B1 (OSRAM) 1975-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse