DE109118C - - Google Patents

Info

Publication number
DE109118C
DE109118C DENDAT109118D DE109118DA DE109118C DE 109118 C DE109118 C DE 109118C DE NDAT109118 D DENDAT109118 D DE NDAT109118D DE 109118D A DE109118D A DE 109118DA DE 109118 C DE109118 C DE 109118C
Authority
DE
Germany
Prior art keywords
drill
revolves
preventing
rotatable
axial bore
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
DENDAT109118D
Other languages
German (de)
Publication of DE109118C publication Critical patent/DE109118C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Bohrvorrichtung mit Einrichtung zur Verhinderung des Veriaufens des Bohrers, dadurch gekennzeichnet, dafs ein in einer axialen Bohrung des Bohrers drehbarer Hülfsbohrer so angeordnet ist, dafs er mit gröfserer Geschwindigkeit umläuft als der eigentliche Bohrer.Drilling device with means for preventing the drill from running away, thereby characterized that an auxiliary drill rotatable in an axial bore of the drill so is arranged so that it revolves at greater speed than the actual drill.
DENDAT109118D Active DE109118C (en)

Publications (1)

Publication Number Publication Date
DE109118C true DE109118C (en)

Family

ID=379042

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT109118D Active DE109118C (en)

Country Status (1)

Country Link
DE (1) DE109118C (en)

Similar Documents

Publication Publication Date Title
DE69506931T2 (en) High pressure tapping device
BR112013000640A2 (en) drilling work control method and drilling work device
BR0317401A (en) Coated drilling
KR870010927A (en) Easy Screw Clamp Extractor
DE109118C (en)
BR112022024752A2 (en) APPARATUS AND METHOD FOR DRILLING AN OIL WELL WITH A DIRECTIVE SWIVEL SYSTEM
CN108547569A (en) A kind of drill speeder and drilling rig
SE424017B (en) PROCEDURE AND DEVICE FOR MOUNTING LONG FORMS ON AN AXLE
CN102296936A (en) Clamp unscrewing device for non-excavation guide drilling machine
FR2235748A1 (en) Drive for a conical sheet metal drill - has a stop for ensuring correct diameter of the drilled hole
US6732818B2 (en) Oriented core barrel system
US4128361A (en) Locking means for positive feed drill
US1506862A (en) Governor for fluid-actuated rotary tools
DE2366607C2 (en)
DE502007001280D1 (en) Device for drilling a hole with a conical undercut
DE60215689T2 (en) rock drilling
Gerken et al. Tool and process development for chambering bores with non-circular contour in highly stressed workpieces
RU199068U1 (en) DEVICE FOR STRENGTHENING PROCESSING OF FLAT SURFACES OF PARTS
DE102020102686B4 (en) Device for depth testing of threads with an undercut in the thread run-out
US1463865A (en) Fluid meter
DE258329C (en)
SU1257203A1 (en) Hydraulically actuated bit
US2355263A (en) Drilling unit for jigs or the like
DE112529C (en)
RU2215861C1 (en) Method of well drilling