An enveloper for battery plates

摘要

An enveloper for creating a material envelope around a battery plate, including a pair of feed rollers (27) for feeding the material into an enveloping station of the enveloper, one of the fee rollers (27a) being driven by a motor characterised in that the motor is a servomotor and in that the enveloper further includes a control (57) for controlling the rate of rotation of the feed roller (27a) to adjust the length of material formed into an envelope by the enveloping station.