<p>The present invention is related to a method for manual installation of rock bolts expandable by means of a pressure media comprising manual coupling of a pressure source to a rock bolt to be expanded. The method comprises the step s of an operator starting a sequence whereby the rock bolt is pressurized to a predetermined pressure, and it being ensured that the predetermined pressure is kept for a predetermined period of time. The present invention is also related to such a control system, and an apparatus comprising such a control system.</p>
申请公布号
CA2525458(A1)
申请公布日期
2004.11.18
申请号
CA20042525458
申请日期
2004.05.12
申请人
ATLAS COPCO ROCK DRILLS AB
发明人
OEBERG, FREDRIK;TOIVONEN, TAPIO;OERJAS, NICLAS;GUSTAVSSON, HANS;SJOESTEDT, GOERAN;KANFLOD, MORGAN;PERSSON, TOMMY