DE192209C - - Google Patents

Info

Publication number
DE192209C
DE192209C DENDAT192209D DE192209DA DE192209C DE 192209 C DE192209 C DE 192209C DE NDAT192209 D DENDAT192209 D DE NDAT192209D DE 192209D A DE192209D A DE 192209DA DE 192209 C DE192209 C DE 192209C
Authority
DE
Germany
Prior art keywords
suspension
recognizable
nut
correct
drilling
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.)
Active
Application number
DENDAT192209D
Other languages
German (de)
English (en)
Publication of DE192209C publication Critical patent/DE192209C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E21B1/04—Devices for reversing the movement of the rod or cable at the surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
DENDAT192209D Active DE192209C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE192209C true DE192209C (enrdf_load_stackoverflow)

Family

ID=455542

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT192209D Active DE192209C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE192209C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378134A (en) * 1992-08-20 1995-01-03 Acb Press for forming an article of composite material comprising reinforcing fibers in a polymer matrix

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378134A (en) * 1992-08-20 1995-01-03 Acb Press for forming an article of composite material comprising reinforcing fibers in a polymer matrix

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