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FR1438860A - Locking device for joining several sheets or similar superimposed objects - Google Patents

Locking device for joining several sheets or similar superimposed objects

Info

Publication number
FR1438860A
FR1438860A FR23054A FR23054A FR1438860A FR 1438860 A FR1438860 A FR 1438860A FR 23054 A FR23054 A FR 23054A FR 23054 A FR23054 A FR 23054A FR 1438860 A FR1438860 A FR 1438860A
Authority
FR
France
Prior art keywords
locking device
several sheets
joining several
superimposed objects
similar superimposed
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
FR23054A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR23054A priority Critical patent/FR1438860A/en
Application granted granted Critical
Publication of FR1438860A publication Critical patent/FR1438860A/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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • 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

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR23054A 1965-07-01 1965-07-01 Locking device for joining several sheets or similar superimposed objects Expired FR1438860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR23054A FR1438860A (en) 1965-07-01 1965-07-01 Locking device for joining several sheets or similar superimposed objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23054A FR1438860A (en) 1965-07-01 1965-07-01 Locking device for joining several sheets or similar superimposed objects

Publications (1)

Publication Number Publication Date
FR1438860A true FR1438860A (en) 1966-05-13

Family

ID=8583532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23054A Expired FR1438860A (en) 1965-07-01 1965-07-01 Locking device for joining several sheets or similar superimposed objects

Country Status (1)

Country Link
FR (1) FR1438860A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647230A (en) * 1984-06-07 1987-03-03 Skf Gmbh Arangement for fastening a rolling bearing in a housing
US4728132A (en) * 1985-12-02 1988-03-01 Trans-Guard Industries, Inc. Bolt lock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647230A (en) * 1984-06-07 1987-03-03 Skf Gmbh Arangement for fastening a rolling bearing in a housing
US4728132A (en) * 1985-12-02 1988-03-01 Trans-Guard Industries, Inc. Bolt lock

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