DE952976C - Drehgelenkig miteinander verbundene Schaleisen - Google Patents

Drehgelenkig miteinander verbundene Schaleisen

Info

Publication number
DE952976C
DE952976C DEG10833A DEG0010833A DE952976C DE 952976 C DE952976 C DE 952976C DE G10833 A DEG10833 A DE G10833A DE G0010833 A DEG0010833 A DE G0010833A DE 952976 C DE952976 C DE 952976C
Authority
DE
Germany
Prior art keywords
wedge
slot
iron
shell iron
shell
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
DEG10833A
Other languages
German (de)
English (en)
Inventor
Dipl-Ing Karl Maria Groetschel
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.)
KARL MARIA GROETSCHEL DIPL ING
Original Assignee
KARL MARIA GROETSCHEL DIPL ING
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 KARL MARIA GROETSCHEL DIPL ING filed Critical KARL MARIA GROETSCHEL DIPL ING
Priority to DEG10833A priority Critical patent/DE952976C/de
Priority to FR1077402D priority patent/FR1077402A/fr
Priority to BE521312D priority patent/BE521312A/xx
Priority to GB86154A priority patent/GB760604A/en
Priority to FR1094700D priority patent/FR1094700A/fr
Priority to BE525927D priority patent/BE525927A/xx
Application granted granted Critical
Publication of DE952976C publication Critical patent/DE952976C/de
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

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)
  • Clamps And Clips (AREA)
  • Surgical Instruments (AREA)
DEG10833A 1953-01-28 1953-01-28 Drehgelenkig miteinander verbundene Schaleisen Expired DE952976C (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DEG10833A DE952976C (de) 1953-01-28 1953-01-28 Drehgelenkig miteinander verbundene Schaleisen
FR1077402D FR1077402A (fr) 1953-01-28 1953-05-18 Dispositif de sûreté pour axes d'articulation reliant des éléments métalliques de cuvelage
BE521312D BE521312A (en, 2012) 1953-01-28 1953-07-09
GB86154A GB760604A (en) 1953-01-28 1954-01-12 Improvements in lagging irons for use in mines
FR1094700D FR1094700A (en, 2012) 1953-01-28 1954-01-19
BE525927D BE525927A (en, 2012) 1953-01-28 1954-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG10833A DE952976C (de) 1953-01-28 1953-01-28 Drehgelenkig miteinander verbundene Schaleisen

Publications (1)

Publication Number Publication Date
DE952976C true DE952976C (de) 1956-11-22

Family

ID=6662586

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG10833A Expired DE952976C (de) 1953-01-28 1953-01-28 Drehgelenkig miteinander verbundene Schaleisen

Country Status (4)

Country Link
BE (2) BE521312A (en, 2012)
DE (1) DE952976C (en, 2012)
FR (2) FR1077402A (en, 2012)
GB (1) GB760604A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198310B (de) * 1958-05-30 1965-08-12 Aloys Vanwersch Ausbaukappe fuer den Grubenbetrieb
DE1214184B (de) * 1958-05-30 1966-04-14 Ludwig Vanwersch Sicherungsvorrichtung fuer Keile und Gelenkbolzen von Ausbaukappen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE535250A (en, 2012) * 1954-01-29
US2997319A (en) * 1958-04-22 1961-08-22 Schwarz Kg Hermann Cap unit for use in connection with mining
DE1243128B (de) * 1963-09-25 1967-06-29 Aloys Vanwersch Kappenverbindung fuer Vorpfaendkappen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE804317C (de) * 1949-03-22 1951-04-19 Otto Leppak Verfahren zur Schaffung einer stempelfreien Abbaufront beim eisernen Strebausbau

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE804317C (de) * 1949-03-22 1951-04-19 Otto Leppak Verfahren zur Schaffung einer stempelfreien Abbaufront beim eisernen Strebausbau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198310B (de) * 1958-05-30 1965-08-12 Aloys Vanwersch Ausbaukappe fuer den Grubenbetrieb
DE1214184B (de) * 1958-05-30 1966-04-14 Ludwig Vanwersch Sicherungsvorrichtung fuer Keile und Gelenkbolzen von Ausbaukappen

Also Published As

Publication number Publication date
FR1094700A (en, 2012) 1955-05-23
FR1077402A (fr) 1954-11-08
GB760604A (en) 1956-11-07
BE525927A (en, 2012) 1954-02-15
BE521312A (en, 2012) 1953-07-31

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