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Current content: 158 383 361 patent documents

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131 418 new documents added

1 347 785 documents amended

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EP 1394352 B1 20080723 - Boring bucket

Title (en)

Boring bucket

Title (de)

Drehbohreimer

Title (fr)

Benne de forage rotative

Publication

EP 1394352 B1 20080723 (EN)

Application

EP 02255984 A 20020828

Priority

EP 02255984 A 20020828

Abstract (en)

[origin: EP1394352A1] A boring apparatus is described which comprises a substantially hollow vessel (2) with a fixed base (5) and a rotatable base (6). The rotatable base is provided, at its circumference, with at least one side cutter (8) which may be rotated with the rotatable base from a first position, in which the at least one side cutter serves to cover a respective opening (13,14) provided in the vessel wall, to a second position, in which the opening in the vessel wall is exposed. <IMAGE> <IMAGE> <IMAGE>

IPC 8 full level

E21B 27/00 (2006.01)

CPC (source: EP US)

E21B 10/42 (2013.01 - EP US); E21B 27/00 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GR IE IT LI LU MC NL PT SE SK TR

DOCDB simple family (publication)

EP 1394352 A1 20040303; EP 1394352 B1 20080723; AT E402324 T1 20080815; DE 60227806 D1 20080904

DOCDB simple family (application)

EP 02255984 A 20020828; AT 02255984 T 20020828; DE 60227806 T 20020828