FR1481678A - Refinements to tubular cutting tools for making countersunk holes in glass - Google Patents

Refinements to tubular cutting tools for making countersunk holes in glass

Info

Publication number
FR1481678A
FR1481678A FR63664A FR63664A FR1481678A FR 1481678 A FR1481678 A FR 1481678A FR 63664 A FR63664 A FR 63664A FR 63664 A FR63664 A FR 63664A FR 1481678 A FR1481678 A FR 1481678A
Authority
FR
France
Prior art keywords
refinements
glass
making
cutting tools
countersunk holes
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
FR63664A
Other languages
French (fr)
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.)
Pilkington Automotive Ltd
Original Assignee
Triplex Safety Glass Co
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 Triplex Safety Glass Co filed Critical Triplex Safety Glass Co
Priority to FR63664A priority Critical patent/FR1481678A/en
Application granted granted Critical
Publication of FR1481678A publication Critical patent/FR1481678A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/06—Grinders for cutting-off
    • B24B27/0641—Grinders for cutting-off for grinding holes
    • 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
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR63664A 1966-06-01 1966-06-01 Refinements to tubular cutting tools for making countersunk holes in glass Expired FR1481678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR63664A FR1481678A (en) 1966-06-01 1966-06-01 Refinements to tubular cutting tools for making countersunk holes in glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR63664A FR1481678A (en) 1966-06-01 1966-06-01 Refinements to tubular cutting tools for making countersunk holes in glass

Publications (1)

Publication Number Publication Date
FR1481678A true FR1481678A (en) 1967-05-19

Family

ID=8609855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63664A Expired FR1481678A (en) 1966-06-01 1966-06-01 Refinements to tubular cutting tools for making countersunk holes in glass

Country Status (1)

Country Link
FR (1) FR1481678A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260026A2 (en) * 1986-08-29 1988-03-16 Nikken Tool Co., Ltd. Drill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260026A2 (en) * 1986-08-29 1988-03-16 Nikken Tool Co., Ltd. Drill
EP0260026A3 (en) * 1986-08-29 1990-03-07 Nikken Tool Co., Ltd. Drill

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