An ice breaking pantograph comprises a sliding element (2) moveable between an operative position wherein it is engaged to an overhead train or tram power line and a non-operative position wherein it is separated from said overhead power line; at least one...

Synchronization device for laying machines (12, 13) for laying cables (11), such as electric conductors, optical fibres, ropes or suchlike; the machines (12, 13) comprise laying means consisting of at least a pair of capstans (14) combined and associated w...

Method and apparatus to regulate the tension for stretching machines (10, 11) comprising means (15) to feed at least a conductor (12), cable or optical fibre to be stretched, and braking/traction assemblies (16, 22) which comprise a drum (17, 18) on which ...

Device (10) to detect the tension for stretching machines (11) comprising means (15) to feed at least a conductor (12), cable or optical fibre to be stretched, and at least a braking/traction device (16) which comprises at least a drum (17, 18) on which th...