FR542685A - Drill bit or drill bit for drilling marble and soft stones - Google Patents

Drill bit or drill bit for drilling marble and soft stones

Info

Publication number
FR542685A
FR542685A FR542685DA FR542685A FR 542685 A FR542685 A FR 542685A FR 542685D A FR542685D A FR 542685DA FR 542685 A FR542685 A FR 542685A
Authority
FR
France
Prior art keywords
drill bit
soft stones
marble
drilling
drilling marble
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
French (fr)
Inventor
Paul-Cesar Vautier
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 filed Critical
Application granted granted Critical
Publication of FR542685A publication Critical patent/FR542685A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • B28D1/146—Tools therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
FR542685D 1921-10-25 1921-10-25 Drill bit or drill bit for drilling marble and soft stones Expired FR542685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR542685T 1921-10-25

Publications (1)

Publication Number Publication Date
FR542685A true FR542685A (en) 1922-08-19

Family

ID=8931050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR542685D Expired FR542685A (en) 1921-10-25 1921-10-25 Drill bit or drill bit for drilling marble and soft stones

Country Status (1)

Country Link
FR (1) FR542685A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2390324A1 (en) * 2012-05-08 2012-11-12 Universidad Politécnica de Madrid Set of drills (Machine-translation by Google Translate, not legally binding)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2390324A1 (en) * 2012-05-08 2012-11-12 Universidad Politécnica de Madrid Set of drills (Machine-translation by Google Translate, not legally binding)

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