IT965878B - Trapano avente una testa tagliente portata su un gambo tubolare at traverso cui vien fatto passare il refrigerante per raffreddare la testa - Google Patents

Trapano avente una testa tagliente portata su un gambo tubolare at traverso cui vien fatto passare il refrigerante per raffreddare la testa

Info

Publication number
IT965878B
IT965878B IT51323/72A IT5132372A IT965878B IT 965878 B IT965878 B IT 965878B IT 51323/72 A IT51323/72 A IT 51323/72A IT 5132372 A IT5132372 A IT 5132372A IT 965878 B IT965878 B IT 965878B
Authority
IT
Italy
Prior art keywords
head
refrigerant
drill
cool
tubular stem
Prior art date
Application number
IT51323/72A
Other languages
English (en)
Italian (it)
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 IT965878B publication Critical patent/IT965878B/it

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)
IT51323/72A 1971-07-29 1972-07-04 Trapano avente una testa tagliente portata su un gambo tubolare at traverso cui vien fatto passare il refrigerante per raffreddare la testa IT965878B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT965878B true IT965878B (it) 1974-02-11

Family

ID=10379361

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51323/72A IT965878B (it) 1971-07-29 1972-07-04 Trapano avente una testa tagliente portata su un gambo tubolare at traverso cui vien fatto passare il refrigerante per raffreddare la testa

Country Status (5)

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

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
DE2236412A1 (de) 1973-02-08
GB1329689A (en) 1973-09-12
FR2147737A5 (sv) 1973-03-09
SE383979B (sv) 1976-04-12

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