GB1329689A - Drill - Google Patents

Drill

Info

Publication number
GB1329689A
GB1329689A GB3558471A GB1329689DA GB1329689A GB 1329689 A GB1329689 A GB 1329689A GB 3558471 A GB3558471 A GB 3558471A GB 1329689D A GB1329689D A GB 1329689DA GB 1329689 A GB1329689 A GB 1329689A
Authority
GB
United Kingdom
Prior art keywords
drill
gun
shank
shaped
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
GB3558471A
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
Publication of GB1329689A publication Critical patent/GB1329689A/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
    • B23B51/04—Drills for trepanning
    • B23B51/0486—Drills for trepanning with lubricating or cooling equipment
    • 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
    • B23B51/063—Deep hole drills, e.g. ejector drills
    • B23B51/066—Gun drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)

Abstract

1329689 Gun-drill DIAGRIT GRINDING CO Ltd 19 April 1972 [29 July 1971] 35584/71 Heading B3C A gun-drill comprises a tubular sector-shaped shank 1 having a tee-shaped tungsten-carbide cutting lead 2 brazed thereto, thus forming passages 4 for the coolant. Head 2 is located in slots in the shank.
GB3558471A 1971-07-29 1971-07-29 Drill Expired GB1329689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3558471 1971-07-29

Publications (1)

Publication Number Publication Date
GB1329689A true GB1329689A (en) 1973-09-12

Family

ID=10379361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3558471A Expired GB1329689A (en) 1971-07-29 1971-07-29 Drill

Country Status (5)

Country Link
DE (1) DE2236412A1 (en)
FR (1) FR2147737A5 (en)
GB (1) GB1329689A (en)
IT (1) IT965878B (en)
SE (1) SE383979B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212569A (en) * 1977-10-06 1980-07-15 Sandvik Aktiebolag Tubular drill tool
US4664567A (en) * 1986-02-06 1987-05-12 Bijur Lubricating Corp. Drill bit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551632A (en) * 2013-10-24 2014-02-05 无锡雨田精密工具有限公司 Inner-cooling double cutting drill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212569A (en) * 1977-10-06 1980-07-15 Sandvik Aktiebolag Tubular drill tool
US4664567A (en) * 1986-02-06 1987-05-12 Bijur Lubricating Corp. Drill bit

Also Published As

Publication number Publication date
SE383979B (en) 1976-04-12
FR2147737A5 (en) 1973-03-09
DE2236412A1 (en) 1973-02-08
IT965878B (en) 1974-02-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee