DE204561C - - Google Patents

Info

Publication number
DE204561C
DE204561C DENDAT204561D DE204561DA DE204561C DE 204561 C DE204561 C DE 204561C DE NDAT204561 D DENDAT204561 D DE NDAT204561D DE 204561D A DE204561D A DE 204561DA DE 204561 C DE204561 C DE 204561C
Authority
DE
Germany
Prior art keywords
drill
scissors
spring
drilling
cap
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
DENDAT204561D
Other languages
German (de)
English (en)
Publication date
Application granted granted Critical
Publication of DE204561C publication Critical patent/DE204561C/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0053—Devices for removing chips using the gravity force
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
DENDAT204561D Expired DE204561C (Direct)

Publications (1)

Publication Number Publication Date
DE204561C true DE204561C (Direct) 1900-01-01

Family

ID=466879

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT204561D Expired DE204561C (Direct)

Country Status (1)

Country Link
DE (1) DE204561C (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453245A1 (de) * 1973-11-16 1975-05-22 Stopinc Ag Bodenverschlussfuer den ausguss metallurgischer gefaesse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453245A1 (de) * 1973-11-16 1975-05-22 Stopinc Ag Bodenverschlussfuer den ausguss metallurgischer gefaesse

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