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GB1200127A - Improvements in or relating to drilling bits - Google Patents

Improvements in or relating to drilling bits

Info

Publication number
GB1200127A
GB1200127A GB2616668A GB2616668A GB1200127A GB 1200127 A GB1200127 A GB 1200127A GB 2616668 A GB2616668 A GB 2616668A GB 2616668 A GB2616668 A GB 2616668A GB 1200127 A GB1200127 A GB 1200127A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
sp
lt
end
drilling
conical
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
GB2616668A
Inventor
Ladislav Hlocky
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.)
TATRA
TATRA NARODNI PODNIK
Original Assignee
TATRA
TATRA NARODNI PODNIK
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/04Drills for trepanning
    • B23B51/048Drills for trepanning with exchangeable cutting inserts, e.g. able to be clamped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/02Connections between shanks and removable cutting heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/42Types of drill
    • B23B2251/422Deep hole drills, e.g. ejector drills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/58Guiding rolls

Abstract

1,200,127. Drilling bits. TATRA NARODNI PODNIK. 31 May, 1968 [3 June, 1967], No. 26166/68. Heading B3C. A drilling bit has a body 1 with a first conical end 9, and a second conical end 8 whose axis y is out of alignment with the body axis x. The body has an oil chamber 12, and is internally screwed for connection to a guide rod. The conical end is interrupted by a mouth 16 connected to chamber 12, the mouth having faces 14 and 13, and indexable cutters 6, 6a are secured to face 14 by screws 5, 5, having eccentric portions. Cutter 6 has its top cuttirg edge placed parallel with cone 9, and the top cutting edges of cutter 6<SP>1</SP>, are parallel with cone 8. Guide rollers 3, 3<SP>1</SP> are carried between bronze washers 4 by pins 2, 2<SP>1</SP> and the vertical cutting edge ef cutter 6 protrudes from the rollers by a distance r.
GB2616668A 1967-06-03 1968-05-31 Improvements in or relating to drilling bits Expired GB1200127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS406567 1967-06-03

Publications (1)

Publication Number Publication Date
GB1200127A true true GB1200127A (en) 1970-07-29

Family

ID=5382549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2616668A Expired GB1200127A (en) 1967-06-03 1968-05-31 Improvements in or relating to drilling bits

Country Status (3)

Country Link
DE (2) DE1752457C3 (en)
FR (1) FR1572712A (en)
GB (1) GB1200127A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816018A (en) * 1972-10-06 1974-06-11 Tatra Np Boring bit
US3963365A (en) * 1975-05-07 1976-06-15 Metal Cutting Tools, Inc. Drill with indexable inserts
US4184794A (en) * 1977-04-09 1980-01-22 Ferdinand Henninghaus Device for machining the internal wall of a cylinder
GB2132517A (en) * 1982-12-13 1984-07-11 Gen Electric Inserts for cutting tools
US4558975A (en) * 1982-02-26 1985-12-17 General Electric Company Drill with disposable inserts
US4889455A (en) * 1987-05-21 1989-12-26 Sandvik Ab Drill

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1173928B (en) * 1958-07-01 1964-07-16 Kloeckner Humboldt Deutz Ag Klotz braking device for motor bogies
DE1175721B (en) * 1960-07-30 1964-08-13 Bochumer Ver Fuer Gussstahlfab Brake disc, especially on rail bikes
DE1202303B (en) * 1961-02-10 1965-10-07 Knorr Bremse Gmbh Securing the seat of a wheel rim of a railway vehicle wheel on a rim
DE1178456B (en) * 1962-08-04 1964-09-24 Deutsche Bundesbahn for rail vehicles with wheel arranged on both sides of each wheel brake discs
DE2555979C2 (en) * 1975-12-12 1984-06-28 Montanwerke Walter Gmbh, 7400 Tuebingen, De
US4210406A (en) * 1978-09-01 1980-07-01 Fansteel Inc. Drill with replaceable inserts
DE2903814C2 (en) * 1979-02-01 1982-08-19 Mapal Fabrik Fuer Praezisionswerkzeuge Dr.Kress Kg, 7080 Aalen, De
DE3226799C1 (en) * 1982-07-17 1990-04-19 Mapal Fab Praezision Single knife reamer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816018A (en) * 1972-10-06 1974-06-11 Tatra Np Boring bit
US3963365A (en) * 1975-05-07 1976-06-15 Metal Cutting Tools, Inc. Drill with indexable inserts
US4184794A (en) * 1977-04-09 1980-01-22 Ferdinand Henninghaus Device for machining the internal wall of a cylinder
US4558975A (en) * 1982-02-26 1985-12-17 General Electric Company Drill with disposable inserts
GB2132517A (en) * 1982-12-13 1984-07-11 Gen Electric Inserts for cutting tools
US4889455A (en) * 1987-05-21 1989-12-26 Sandvik Ab Drill

Also Published As

Publication number Publication date Type
DE1752457B2 (en) 1974-04-04 application
DE1752457A1 (en) 1969-10-02 application
FR1572712A (en) 1969-06-27 grant
DE1752457C3 (en) 1974-10-31 grant
DE1777420A1 (en) 1974-11-21 application

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee