NL41573C - - Google Patents

Info

Publication number
NL41573C
NL41573C NL74556A NL74556A NL41573C NL 41573 C NL41573 C NL 41573C NL 74556 A NL74556 A NL 74556A NL 74556 A NL74556 A NL 74556A NL 41573 C NL41573 C NL 41573C
Authority
NL
Netherlands
Application number
NL74556A
Other languages
Dutch (nl)
Original Assignee
Gutehoffnungshuette Oberhausen
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 Gutehoffnungshuette Oberhausen filed Critical Gutehoffnungshuette Oberhausen
Application granted granted Critical
Publication of NL41573C publication Critical patent/NL41573C/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

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)
  • Clamps And Clips (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
NL74556A 1932-12-10 1935-08-15 NL41573C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW90580D DE673871C (de) 1932-12-10 1932-12-10 Nachgiebiger zweiteiliger Grubenstempel

Publications (1)

Publication Number Publication Date
NL41573C true NL41573C (xx) 1937-04-15

Family

ID=7613297

Family Applications (1)

Application Number Title Priority Date Filing Date
NL74556A NL41573C (xx) 1932-12-10 1935-08-15

Country Status (3)

Country Link
BE (1) BE410901A (xx)
DE (1) DE673871C (xx)
NL (1) NL41573C (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746107C (de) * 1934-10-27 1944-06-08 Friedrich Heckermann Eiserner Grubenstempel
DE926061C (de) * 1935-01-11 1955-04-04 Christine Wilhelmine Heckerman Stahl-Grubenstempel
DE938002C (de) * 1935-05-21 1956-01-26 Karl Gerlach Stahlgrubenstempel
DE933502C (de) * 1935-07-12 1955-09-29 Gutehoffnungshuette Sterkrade Zweiteiliger, eiserner Grubenstempel
DE749491C (de) * 1940-08-14 1944-11-23 Keilschloss fuer zweiteilige eiserne Grubenstempel
DE942683C (de) * 1942-11-10 1956-05-03 Eisenwerk Wanheim G M B H Eiserner Grubenstempel mit Keilschloss
DE967479C (de) * 1943-06-23 1957-11-14 Eisenwerk Wanheim G M B H Stahlgrubenstempel
DE934823C (de) * 1944-07-01 1955-11-03 Gutehoffnungshuette Sterkrade Grubenstempel

Also Published As

Publication number Publication date
BE410901A (xx) 1935-09-30
DE673871C (de) 1939-03-30

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