WO2005046914B1 - Insert de foret a langue d'aspic comportant des bords tranchants incurves - Google Patents

Insert de foret a langue d'aspic comportant des bords tranchants incurves

Info

Publication number
WO2005046914B1
WO2005046914B1 PCT/US2004/037056 US2004037056W WO2005046914B1 WO 2005046914 B1 WO2005046914 B1 WO 2005046914B1 US 2004037056 W US2004037056 W US 2004037056W WO 2005046914 B1 WO2005046914 B1 WO 2005046914B1
Authority
WO
WIPO (PCT)
Prior art keywords
drill insert
drill
land
margin
cutting edges
Prior art date
Application number
PCT/US2004/037056
Other languages
English (en)
Other versions
WO2005046914A3 (fr
WO2005046914A2 (fr
Filing date
Publication date
Priority claimed from US10/780,133 external-priority patent/US7018145B2/en
Application filed filed Critical
Priority to EP04810473.1A priority Critical patent/EP1682295B1/fr
Priority to CA002542815A priority patent/CA2542815C/fr
Publication of WO2005046914A2 publication Critical patent/WO2005046914A2/fr
Publication of WO2005046914A3 publication Critical patent/WO2005046914A3/fr
Publication of WO2005046914B1 publication Critical patent/WO2005046914B1/fr

Links

Abstract

L'invention concerne un insert de foret à langue d'aspic et un ensemble d'outils de forage. Le corps d'insert de foret à langue d'aspic comprend des bords tranchants incurvés et une rainure de bord comportant un creux sensiblement parallèle au plan formé par les bords tranchants incurvés adjacents, offrant une amélioration significative dans la formation de puce au cours des opérations de coupe.
PCT/US2004/037056 2003-11-07 2004-11-04 Insert de foret a langue d'aspic comportant des bords tranchants incurves WO2005046914A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04810473.1A EP1682295B1 (fr) 2003-11-07 2004-11-04 Insert de foret a langue d'aspic comportant des bords tranchants incurves
CA002542815A CA2542815C (fr) 2003-11-07 2004-11-04 Insert de foret a langue d'aspic comportant des bords tranchants incurves

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51855603P 2003-11-07 2003-11-07
US60/518,556 2003-11-07
US10/780,133 2004-02-17
US10/780,133 US7018145B2 (en) 2003-11-07 2004-02-17 Spade drill insert having curved cutting edges

Publications (3)

Publication Number Publication Date
WO2005046914A2 WO2005046914A2 (fr) 2005-05-26
WO2005046914A3 WO2005046914A3 (fr) 2005-12-15
WO2005046914B1 true WO2005046914B1 (fr) 2006-02-23

Family

ID=34556461

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/037056 WO2005046914A2 (fr) 2003-11-07 2004-11-04 Insert de foret a langue d'aspic comportant des bords tranchants incurves

Country Status (5)

Country Link
US (2) US7018145B2 (fr)
EP (1) EP1682295B1 (fr)
KR (1) KR100795598B1 (fr)
CA (1) CA2542815C (fr)
WO (1) WO2005046914A2 (fr)

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