Global Patent Index - EP 0537624 B1

EP 0537624 B1 19960221 - Reaming tool

Title (en)

Reaming tool

Title (de)

Aufweitkopf

Title (fr)

Outil d'alésage

Publication

EP 0537624 B1 19960221 (DE)

Application

EP 92117188 A 19921008

Priority

DE 4134095 A 19911015

Abstract (en)

[origin: EP0537624A1] The reaming tool comprises a support spindle (10) which has a first fastening device (12) for a drill stem as well as a second fastening device (14) for a material to be drawn in, bores being provided in the support spindle for the supply of a drilling suspension. Furthermore, the reaming tool comprises a reaming body arranged on the support spindle (10) and having highly wear-resistant, abrasive members. The reaming body consists of at least two individual, disc-like reaming elements (16) of different diameter which are arranged at a mutual distance apart on the support spindle (10). <IMAGE>

IPC 1-7

E21B 10/26; E21B 7/28

IPC 8 full level

E21B 7/28 (2006.01); E21B 10/26 (2006.01); E21B 10/60 (2006.01)

CPC (source: EP US)

E21B 7/28 (2013.01 - EP); E21B 10/26 (2013.01 - EP US); E21B 10/60 (2013.01 - EP)

Designated contracting state (EPC)

AT BE CH DK ES FR GB IT LI LU NL PT SE

DOCDB simple family (publication)

EP 0537624 A1 19930421; EP 0537624 B1 19960221; AT E134416 T1 19960315; DE 4134095 C1 19920716; DK 0537624 T3 19960708; ES 2086042 T3 19960616

DOCDB simple family (application)

EP 92117188 A 19921008; AT 92117188 T 19921008; DE 4134095 A 19911015; DK 92117188 T 19921008; ES 92117188 T 19921008