FR532320A - Foret forgé à pas progressif - Google Patents

Foret forgé à pas progressif

Info

Publication number
FR532320A
FR532320A FR532320DA FR532320A FR 532320 A FR532320 A FR 532320A FR 532320D A FR532320D A FR 532320DA FR 532320 A FR532320 A FR 532320A
Authority
FR
France
Prior art keywords
drill bit
progressive pitch
forged drill
forged
progressive
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
English (en)
Inventor
Achille-Auguste Valayer
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 FR532320A publication Critical patent/FR532320A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B21K5/04—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes twisting-tools, e.g. drills, reamers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR532320D 1921-03-18 1921-03-18 Foret forgé à pas progressif Expired FR532320A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR532320T 1921-03-18

Publications (1)

Publication Number Publication Date
FR532320A true FR532320A (fr) 1922-02-01

Family

ID=8924457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532320D Expired FR532320A (fr) 1921-03-18 1921-03-18 Foret forgé à pas progressif

Country Status (1)

Country Link
FR (1) FR532320A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694220A1 (fr) * 1992-07-31 1994-02-04 Ory Jacques Méthode pour l'obtention de profils destinés à la fabrication de forêts hélicoïdaux.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694220A1 (fr) * 1992-07-31 1994-02-04 Ory Jacques Méthode pour l'obtention de profils destinés à la fabrication de forêts hélicoïdaux.

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