GB363913A - Improvements in drills for rock, marble and the like - Google Patents

Improvements in drills for rock, marble and the like

Info

Publication number
GB363913A
GB363913A GB7831/31A GB783131A GB363913A GB 363913 A GB363913 A GB 363913A GB 7831/31 A GB7831/31 A GB 7831/31A GB 783131 A GB783131 A GB 783131A GB 363913 A GB363913 A GB 363913A
Authority
GB
United Kingdom
Prior art keywords
drills
cutting
supported
marble
rock
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
GB7831/31A
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.)
Krupp Stahl AG
Fried Krupp AG
Original Assignee
Krupp Stahl AG
Fried Krupp AG
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 Krupp Stahl AG, Fried Krupp AG filed Critical Krupp Stahl AG
Publication of GB363913A publication Critical patent/GB363913A/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

363,913. Drills. KRUPP AKT.-GES., F., Essen, Germany. March 13, 1931, No. 7831. Convention date, Nov. 8, 1930. [Class 83 (iii).] Drills, especially for marble, rock, &c., comprise a hard metal cutter soldered between two S-shaped flanges of a carrier, the cutting-edges being supported on the non-cutting side by the flanges but being free on the other side. A hard metal cutter A is supported between S-shaped flanges B<1> and soldered thereto, each cutting- edge a<1> being supported on the non- cutting side by a flange. The shank B is flat in form. The Specification as open to inspection under Sect. 91 (3) (a) contains also the subject-matter of Specification 363,982. This subject-matter does not appear in the Specification as accepted.
GB7831/31A 1930-11-08 1931-03-13 Improvements in drills for rock, marble and the like Expired GB363913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE363913X 1930-11-08

Publications (1)

Publication Number Publication Date
GB363913A true GB363913A (en) 1931-12-31

Family

ID=6314064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7831/31A Expired GB363913A (en) 1930-11-08 1931-03-13 Improvements in drills for rock, marble and the like

Country Status (1)

Country Link
GB (1) GB363913A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598459A (en) * 1947-02-07 1952-05-27 Super Tool Company Masonry drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598459A (en) * 1947-02-07 1952-05-27 Super Tool Company Masonry drill

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