Schutzvorrichtung, Gesteinsbohreinheit und Verfahren

Details

Veröffentlichungs-Nr.

EP4589114

Aktenzeichen

EP24152600

Anmeldetag

18. Januar 2024

Veröffentlichung

23. Juli 2025

Rechtsraum

EP

IPC

E21B7/02E21B12/00

Abstract

A protective device, rock drilling unit and method. The protective device (9) comprises a protective casing (10) mountable around a drilling tool (8). The protective casing comprises at least openable and closable rigid chain (11) provided with parallel chain members (15a, 15b). The chain members comprise grip elements (16) which can interlock with each other and form a closed structure. By disengaging the grip elements, the protective casing can be opened. The opening and closing is executed in response to movements of a rock drilling machine (6) in a drilling direction (A) and in a reverse direction (B).

Anmelder

Firma

Sandvik Mining and Construction Oy

Land

🇫🇮 Finnland

Fachgebiete