FR449177A - Foret pour matière dure - Google Patents

Foret pour matière dure

Info

Publication number
FR449177A
FR449177A FR449177A FR449177DA FR449177A FR 449177 A FR449177 A FR 449177A FR 449177 A FR449177 A FR 449177A FR 449177D A FR449177D A FR 449177DA FR 449177 A FR449177 A FR 449177A
Authority
FR
France
Prior art keywords
hard material
material drill
drill
hard
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
FR449177A
Other languages
English (en)
Inventor
Josef Gloger
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.)
JOSEF GLOGER
Original Assignee
JOSEF GLOGER
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 JOSEF GLOGER filed Critical JOSEF GLOGER
Application granted granted Critical
Publication of FR449177A publication Critical patent/FR449177A/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
    • B23B51/02—Twist drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR449177A 1912-10-09 1912-10-09 Foret pour matière dure Expired FR449177A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449177T 1912-10-09

Publications (1)

Publication Number Publication Date
FR449177A true FR449177A (fr) 1913-02-19

Family

ID=1489728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449177A Expired FR449177A (fr) 1912-10-09 1912-10-09 Foret pour matière dure

Country Status (1)

Country Link
FR (1) FR449177A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039013A (en) * 1974-09-23 1977-08-02 The Stanley Works Hand tool with helical drive

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039013A (en) * 1974-09-23 1977-08-02 The Stanley Works Hand tool with helical drive

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