FR2147737A5 - - Google Patents

Info

Publication number
FR2147737A5
FR2147737A5 FR7227301A FR7227301A FR2147737A5 FR 2147737 A5 FR2147737 A5 FR 2147737A5 FR 7227301 A FR7227301 A FR 7227301A FR 7227301 A FR7227301 A FR 7227301A FR 2147737 A5 FR2147737 A5 FR 2147737A5
Authority
FR
France
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
FR7227301A
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
Application granted granted Critical
Publication of FR2147737A5 publication Critical patent/FR2147737A5/fr
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)
FR7227301A 1971-07-29 1972-07-28 Expired FR2147737A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2147737A5 true FR2147737A5 (fr) 1973-03-09

Family

ID=10379361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227301A Expired FR2147737A5 (fr) 1971-07-29 1972-07-28

Country Status (5)

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

Families Citing this family (3)

* 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
CN103551632A (zh) * 2013-10-24 2014-02-05 无锡雨田精密工具有限公司 一种内冷双刃钻

Also Published As

Publication number Publication date
IT965878B (it) 1974-02-11
DE2236412A1 (de) 1973-02-08
GB1329689A (en) 1973-09-12
SE383979B (sv) 1976-04-12

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Legal Events

Date Code Title Description
ST Notification of lapse