NL44014C - - Google Patents

Info

Publication number
NL44014C
NL44014C NL77836A NL77836A NL44014C NL 44014 C NL44014 C NL 44014C NL 77836 A NL77836 A NL 77836A NL 77836 A NL77836 A NL 77836A NL 44014 C NL44014 C NL 44014C
Authority
NL
Netherlands
Application number
NL77836A
Other languages
Dutch (nl)
Inventor
Karl Gerlach
Original Assignee
Karl Gerlach
Hans Gerlach 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 Gerlach, Hans Gerlach Dipl Ing filed Critical Karl Gerlach
Application granted granted Critical
Publication of NL44014C publication Critical patent/NL44014C/nl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/42—Telescopic props with parts held relatively to each other by friction or gripping with special parts to influence the friction
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/43—Details of wedges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Prostheses (AREA)
  • Clamps And Clips (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
NL77836A 1935-05-21 1936-05-16 NL44014C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG2592D DE938002C (de) 1935-05-21 1935-05-21 Stahlgrubenstempel

Publications (1)

Publication Number Publication Date
NL44014C true NL44014C (no) 1938-04-15

Family

ID=7116777

Family Applications (1)

Application Number Title Priority Date Filing Date
NL77836A NL44014C (no) 1935-05-21 1936-05-16

Country Status (5)

Country Link
BE (1) BE415622A (no)
DE (1) DE938002C (no)
FR (1) FR806590A (no)
GB (1) GB475560A (no)
NL (1) NL44014C (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670170A (en) * 1950-03-22 1954-02-23 Haarmann Arnold Pit prop

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767659C (de) * 1935-07-30 1953-05-04 Gerlach Karl Eiserner Grubenstempel, dessen keilfoermiger Innenstempel unter der Wirkung von Keilen steht, die mit voneinander getrennten Flaechen am Innenstempel anliegen
DE756241C (de) * 1937-06-26 1953-11-09 Karl Barall Bedienungskeil fuer Grubenstempel
DE745160C (de) * 1937-07-22 1944-02-28 Karl Gerlach Eiserner Grubenstempel
DE937341C (de) * 1937-08-20 1956-01-05 Karl Gerlach Grubenstempel
DE767190C (de) * 1938-12-13 1952-03-31 Westdeutscher Industriebedarf Reibungseinlage fuer Grubenausbau-Klemmschloesser
DE757741C (de) * 1939-08-27 1953-11-02 Walter Hartwig Grubenstempel
DE764943C (de) * 1940-03-15 1953-07-27 Eisenwerk Wanheim G M B H Grubenstempel
DE749491C (de) * 1940-08-14 1944-11-23 Keilschloss fuer zweiteilige eiserne Grubenstempel
DE972801C (de) * 1942-03-31 1959-10-01 Karl Gerlach Vorbaustempel, insbesondere fuer Abbaubetriebe
DE942683C (de) * 1942-11-10 1956-05-03 Eisenwerk Wanheim G M B H Eiserner Grubenstempel mit Keilschloss
GB613923A (en) * 1944-09-08 1948-12-07 Hubert Thines Improvements in or relating to mine props
DE970221C (de) * 1948-10-02 1958-08-28 Alexander Schmidt Dr Ing Grubenstempel
DE977408C (de) * 1951-02-24 1966-05-26 Karl Gerlach Grubenstempel
DE971813C (de) * 1951-12-08 1959-04-02 Gutehoffnungshuette Sterkrade Mehrteiliges Schloss fuer Grubenstempel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE484017C (de) * 1929-10-08 Julius Wuestenhoefer Stell- und Lueftvorrichtung fuer zweiteilige Grubenstempel
DE487940C (de) * 1929-12-17 Joseph Maercks Dipl Ing Nachgiebiger eiserner Grubenstempel
DE434826C (de) * 1924-09-18 1926-09-30 Hans Hahn Nachgiebiger eiserner Grubenstempel
DE673871C (de) * 1932-12-10 1939-03-30 Gutehoffnungshuette Oberhausen Nachgiebiger zweiteiliger Grubenstempel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670170A (en) * 1950-03-22 1954-02-23 Haarmann Arnold Pit prop

Also Published As

Publication number Publication date
GB475560A (en) 1937-11-19
BE415622A (fr) 1936-06-30
DE938002C (de) 1956-01-26
FR806590A (fr) 1936-12-19

Similar Documents

Publication Publication Date Title
NL44014C (no)
BE402725A (no)
FR778559A (no)
DE1347619U (no)
BE408920A (no)
BE414411A (no)
BE404520A (no)
BE405881A (no)
BE407131A (no)
BE407302A (no)
BE407388A (no)
BE407411A (no)
BE407478A (no)
BE407487A (no)
BE407491A (no)
BE407519A (no)
BE407622A (no)
BE407630A (no)
BE407652A (no)
BE408986A (no)
BE407653A (no)
BE407703A (no)
BE407774A (no)
BE407804A (no)
BE407883A (no)