FR447443A - Drill holder - Google Patents

Drill holder

Info

Publication number
FR447443A
FR447443A FR447443A FR447443DA FR447443A FR 447443 A FR447443 A FR 447443A FR 447443 A FR447443 A FR 447443A FR 447443D A FR447443D A FR 447443DA FR 447443 A FR447443 A FR 447443A
Authority
FR
France
Prior art keywords
drill holder
drill
holder
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
FR447443A
Other languages
French (fr)
Inventor
Hendrik Boer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR447443A publication Critical patent/FR447443A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR447443A 1911-09-07 1912-08-21 Drill holder Expired FR447443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191219332X 1911-09-07

Publications (1)

Publication Number Publication Date
FR447443A true FR447443A (en) 1913-01-04

Family

ID=32522557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447443A Expired FR447443A (en) 1911-09-07 1912-08-21 Drill holder

Country Status (3)

Country Link
FR (1) FR447443A (en)
GB (1) GB191219332A (en)
NL (1) NL111C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471038A (en) * 1946-10-29 1949-05-24 Jack & Heintz Prec Ind Inc Work centering attachment for metal turning machines
US2577556A (en) * 1950-02-04 1951-12-04 Macgregor Instr Company Cartridge syringe, including a cannula attaching chuck

Also Published As

Publication number Publication date
GB191219332A (en) 1913-03-20
NL111C (en) 1914-01-15

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