[go: up one dir, main page]

FR496222A - Perfectionnements aux outils à forer - Google Patents

Perfectionnements aux outils à forer

Info

Publication number
FR496222A
FR496222A FR496222A FR496222DA FR496222A FR 496222 A FR496222 A FR 496222A FR 496222 A FR496222 A FR 496222A FR 496222D A FR496222D A FR 496222DA FR 496222 A FR496222 A FR 496222A
Authority
FR
France
Prior art keywords
drilling tools
drilling
tools
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
FR496222A
Other languages
English (en)
Inventor
Emil Gairing
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.)
Gairing & Needham Tool C
Original Assignee
Gairing & Needham Tool C
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 Gairing & Needham Tool C filed Critical Gairing & Needham Tool C
Application granted granted Critical
Publication of FR496222A publication Critical patent/FR496222A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
    • B23B31/1071—Retention by balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/10—Bits for countersinking
    • B23B51/107—Bits for countersinking having a pilot

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Gripping On Spindles (AREA)
FR496222A 1917-11-10 1919-02-25 Perfectionnements aux outils à forer Expired FR496222A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US383220XA 1917-11-10 1917-11-10

Publications (1)

Publication Number Publication Date
FR496222A true FR496222A (fr) 1919-10-30

Family

ID=21899281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR496222A Expired FR496222A (fr) 1917-11-10 1919-02-25 Perfectionnements aux outils à forer

Country Status (3)

Country Link
DE (1) DE383220C (fr)
FR (1) FR496222A (fr)
GB (1) GB132130A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7572796B2 (en) 2002-04-16 2009-08-11 Merck Patent Gmbh Substituted indoles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7572796B2 (en) 2002-04-16 2009-08-11 Merck Patent Gmbh Substituted indoles

Also Published As

Publication number Publication date
DE383220C (de) 1923-10-11
GB132130A (fr)

Similar Documents

Publication Publication Date Title
FR497186A (fr) Perfectionnements aux forets et autres outils à percer
FR490690A (fr) Perfectionnements aux outils foreurs
FR521150A (fr) Perfectionnements apportés aux machines-outils automatiques
FR496222A (fr) Perfectionnements aux outils à forer
FR515009A (fr) Perfectionnements aux machines-outils automatiques
FR498604A (fr) Perfectionnements apportés aux perceuses portatives
FR20865E (fr) Perfectionnements aux outils à grain rapporté
FR494118A (fr) Perfectionnements aux forets
FR487904A (fr) Perfectionnements apportés aux porte-outils
FR490202A (fr) Perfectionnements aux outils à percer
FR502010A (fr) Perfectionnements aux clés à tuyaux
FR515284A (fr) Perfectionnements aux outils à percussion
FR20733E (fr) Perfectionnements aux outils à grain rapporté
FR487823A (fr) Perfectionnements aux outils à grain rapporté
FR484641A (fr) Perfectionnements apportés aux machines-outils
CH78928A (de) Kombiniertes Glaserwerkzeug
CH76713A (de) Schnellbohrmaschine
FR487262A (fr) Perfectionnements aux machines à additionner
FR486148A (fr) Perfectionnements apportés aux machines à fraiser
FR471081A (fr) Perfectionnements aux outils combinés
FR494849A (fr) Perfectionnements aux étaux
CH77138A (de) Bohrkopf
FR490053A (fr) Perfectionnements aux machines pneumatiques à perforer la roche
CH75476A (de) Bohrfutter
CH77575A (de) Kombiniertes Werkzeug