FR855277A - Foret pour trous profonds - Google Patents

Foret pour trous profonds

Info

Publication number
FR855277A
FR855277A FR855277DA FR855277A FR 855277 A FR855277 A FR 855277A FR 855277D A FR855277D A FR 855277DA FR 855277 A FR855277 A FR 855277A
Authority
FR
France
Prior art keywords
deep hole
hole drill
drill
deep
hole
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
Other languages
English (en)
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.)
GEBRU DER HELLER
Original Assignee
GEBRU DER HELLER
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 GEBRU DER HELLER filed Critical GEBRU DER HELLER
Application granted granted Critical
Publication of FR855277A publication Critical patent/FR855277A/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)
FR855277D 1938-07-12 1939-05-25 Foret pour trous profonds Expired FR855277A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE855277X 1938-07-12

Publications (1)

Publication Number Publication Date
FR855277A true FR855277A (fr) 1940-05-07

Family

ID=6789058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855277D Expired FR855277A (fr) 1938-07-12 1939-05-25 Foret pour trous profonds

Country Status (1)

Country Link
FR (1) FR855277A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363393A1 (fr) * 1976-09-06 1978-03-31 Sandvik Ab Foret pour percage profond

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363393A1 (fr) * 1976-09-06 1978-03-31 Sandvik Ab Foret pour percage profond

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