GB1383090A - Drill - Google Patents

Drill

Info

Publication number
GB1383090A
GB1383090A GB4477172A GB4477172A GB1383090A GB 1383090 A GB1383090 A GB 1383090A GB 4477172 A GB4477172 A GB 4477172A GB 4477172 A GB4477172 A GB 4477172A GB 1383090 A GB1383090 A GB 1383090A
Authority
GB
United Kingdom
Prior art keywords
drill
tip
shank
coolant
diagrit
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
GB4477172A
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.)
Diagrit Grinding Co Ltd
Original Assignee
Diagrit Grinding Co Ltd
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 Diagrit Grinding Co Ltd filed Critical Diagrit Grinding Co Ltd
Priority to GB4477172A priority Critical patent/GB1383090A/en
Priority to DE19732342517 priority patent/DE2342517A1/en
Priority to IT6976073A priority patent/IT996712B/en
Priority to FR7334546A priority patent/FR2201156B3/fr
Publication of GB1383090A publication Critical patent/GB1383090A/en
Expired 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
    • B23B51/06—Drills with lubricating or cooling equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

1383090 Drill DIAGRIT GRINDING CO Ltd 11 June 1973 [28 Sept 1972] 44771/72 Heading B3C A drill comprises a flattened tubular shank 11 defining one or more coolant passages 13, and a drill tip 12 positioned so that the end of each passage is open. The tip may be of tungsten carbide brazed to the shank. The drill may rotate during use, in which case a sealed rotating joint is provided to supply the coolant. The tip may be shaped so as to produce a flat bottom hole.
GB4477172A 1972-09-28 1972-09-28 Drill Expired GB1383090A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB4477172A GB1383090A (en) 1972-09-28 1972-09-28 Drill
DE19732342517 DE2342517A1 (en) 1972-09-28 1973-08-23 DRILL
IT6976073A IT996712B (en) 1972-09-28 1973-09-18 TIP FOR BORING DEEP HOLES PARTICULARLY
FR7334546A FR2201156B3 (en) 1972-09-28 1973-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4477172A GB1383090A (en) 1972-09-28 1972-09-28 Drill

Publications (1)

Publication Number Publication Date
GB1383090A true GB1383090A (en) 1975-02-05

Family

ID=10434672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4477172A Expired GB1383090A (en) 1972-09-28 1972-09-28 Drill

Country Status (4)

Country Link
DE (1) DE2342517A1 (en)
FR (1) FR2201156B3 (en)
GB (1) GB1383090A (en)
IT (1) IT996712B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026082A1 (en) * 1979-09-21 1981-04-01 Wimet Limited Drill
US4664567A (en) * 1986-02-06 1987-05-12 Bijur Lubricating Corp. Drill bit
GB2318534A (en) * 1996-10-28 1998-04-29 Richard Gareth Cross Masonry drill for driving compatible screws

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003697A1 (en) * 1980-02-01 1981-08-06 Gebrüder Heller GmbH Werkzeugfabrik, 2807 Achim Cutting tool for rock drill - has hollow shaft for extraction of cut material during drilling, and rear gripped by jaws
DE3003694A1 (en) * 1980-02-01 1981-08-06 Gebrüder Heller GmbH Werkzeugfabrik, 2807 Achim Cutting tool assembly for rock drill - has spade tip fitting into slot in hollow stem between double suction opening

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026082A1 (en) * 1979-09-21 1981-04-01 Wimet Limited Drill
US4664567A (en) * 1986-02-06 1987-05-12 Bijur Lubricating Corp. Drill bit
GB2318534A (en) * 1996-10-28 1998-04-29 Richard Gareth Cross Masonry drill for driving compatible screws

Also Published As

Publication number Publication date
FR2201156A1 (en) 1974-04-26
IT996712B (en) 1975-12-10
DE2342517A1 (en) 1974-04-04
FR2201156B3 (en) 1976-08-20

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee