FR489132A - Perfectionnements aux machines à meuler les forets hélicoidaux - Google Patents

Perfectionnements aux machines à meuler les forets hélicoidaux

Info

Publication number
FR489132A
FR489132A FR489132A FR489132DA FR489132A FR 489132 A FR489132 A FR 489132A FR 489132 A FR489132 A FR 489132A FR 489132D A FR489132D A FR 489132DA FR 489132 A FR489132 A FR 489132A
Authority
FR
France
Prior art keywords
grinding machines
twist drill
drill grinding
twist
machines
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
FR489132A
Other languages
English (en)
Inventor
Isaac Best
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.)
ISAAC BEST AND Co Ltd
Original Assignee
ISAAC BEST AND Co Ltd
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 ISAAC BEST AND Co Ltd filed Critical ISAAC BEST AND Co Ltd
Application granted granted Critical
Publication of FR489132A publication Critical patent/FR489132A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/04—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for fluting drill shanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR489132A 1915-10-07 1918-03-05 Perfectionnements aux machines à meuler les forets hélicoidaux Expired FR489132A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB489132X 1915-10-07

Publications (1)

Publication Number Publication Date
FR489132A true FR489132A (fr) 1918-12-20

Family

ID=1525409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR489132A Expired FR489132A (fr) 1915-10-07 1918-03-05 Perfectionnements aux machines à meuler les forets hélicoidaux

Country Status (1)

Country Link
FR (1) FR489132A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553018A1 (fr) * 1983-10-06 1985-04-12 Matsutani Seisakusho Procede de fabrication d'un outil de coupe pour canal dentaire et appareil pour la mise en oeuvre de ce procede

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553018A1 (fr) * 1983-10-06 1985-04-12 Matsutani Seisakusho Procede de fabrication d'un outil de coupe pour canal dentaire et appareil pour la mise en oeuvre de ce procede

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