The present invention concerns a procedure and a system for feeding optical fibre cables into a pipeline with the help of an installation device at adjustable speed. In order to prevent damage during the advancement of the optical fibre cable the engine (15) of the installation device has been supplied with a friction safety clutch (17) exerting pressure on a moving coil (18, 23).
申请公布号
WO03077005(A1)
申请公布日期
2003.09.18
申请号
WO2003SE00368
申请日期
2003.03.05
申请人
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL);OLSSON, BERTIL;ERIKSSON, JOHN;RADOJEVIC, GOJKO
