[go: up one dir, main page]

DE397900C - Insert drill attachment - Google Patents

Insert drill attachment

Info

Publication number
DE397900C
DE397900C DEL57575D DEL0057575D DE397900C DE 397900 C DE397900 C DE 397900C DE L57575 D DEL57575 D DE L57575D DE L0057575 D DEL0057575 D DE L0057575D DE 397900 C DE397900 C DE 397900C
Authority
DE
Germany
Prior art keywords
drill attachment
insert drill
head
insert
gesture
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
DEL57575D
Other languages
German (de)
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.)
KARL LAISSLE DIPL ING
Original Assignee
KARL LAISSLE DIPL ING
Publication date
Priority to DEL57575D priority Critical patent/DE397900C/en
Application granted granted Critical
Publication of DE397900C publication Critical patent/DE397900C/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

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)
  • Drilling Tools (AREA)

Description

Abb. 3.Fig. 3.

Claims (1)

Patent-Anspruch:Patent claim: Gesteindrehbohrer mit flacher Einsatzschneide, gekennzeichnet durch folgende Gesamtanordnung: Der die Aufsitzflächen bietende Kopf (i) des Einsteck- und Befestigungsbolzens (&) endet ein Stück über dem unteren Rande des Schneidenblattes. Die dadurch gebildeten Ansätze (d) treten in eine entsprechende Nut des Gestängekopfes. Gesture drill bit with flat insert cutting edge, characterized by the following overall arrangement: The head (i) of the insertion and fastening bolt (&), which provides the seating surfaces, ends a little above the lower edge of the cutting blade. The lugs (d) thus formed enter a corresponding groove in the rod head.
DEL57575D Insert drill attachment Expired DE397900C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL57575D DE397900C (en) Insert drill attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL57575D DE397900C (en) Insert drill attachment

Publications (1)

Publication Number Publication Date
DE397900C true DE397900C (en) 1924-07-11

Family

ID=7278655

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL57575D Expired DE397900C (en) Insert drill attachment

Country Status (1)

Country Link
DE (1) DE397900C (en)

Similar Documents

Publication Publication Date Title
DE397900C (en) Insert drill attachment
GB385244A (en) Tool for pointing masonry
DE515085C (en) Double-edged meat grinder knife
DE373259C (en) Lock, especially for railroad cars
DE600676C (en) Coal and rock drill bits with two cutting edges at an unequal distance from the drill axis
DE570754C (en) Blade attachment for steam or gas turbines
DE414848C (en) Handle fasteners for brushes, scrubbers, etc. like
DE419989C (en) Wedge attachment for fork-shaped paving slat holder for ship frames
DE361037C (en) Auger bit with insert cutting edge
DE448580C (en) Storm lantern with oil funnel
US1419023A (en) Tool
GB326750A (en) Improvements in shears, scissors and like cutting implements
GB273427A (en) A new or improved combination tool for beekeepers
DE514044C (en) Dengel device consisting of hammer and anvil
DE387261C (en) Attachment of the drag spring of sliding bolts to the locking plate
GB218073A (en) Improvements in securing bolts
DE324608C (en) Attaching the blade of hoes, spades, shovels and rakes to a spout
DE530266C (en) One-piece punched and bent lock bolt
DE394081C (en) Saw blade with inserted pre- and post-cutting teeth
US1595552A (en) Rotary drill bit
DE508628C (en) Pusher nut for locks of motor vehicle doors
DE572531C (en) Center window fitting for loose sashes
US1642814A (en) Tool-head fastening
US1591477A (en) Nut lock
GB323349A (en) New or improved means for securing the heads of hammers, picks, axes and similar tools