Valmet Corporation

Simo Set&auml;l&auml;

Jouko Hautala

Olli Tuovinen

Pekka Haikkala

Heikki Liimatainen

Kari P&auml;rssinen

An arrangement in a pulp grinder comprising a grindstone (,), a feed chute (,), and a piston to feed wood (,) against the grindstone (,). The arrangement comprises separate pushing members (,), which are arranged to push the wood (,) against the grindstone (,) at essentially the entire width of the feed chute when the percussion piston is moved back to the stroke position to allow the feed of a new batch of wood.

Growing community of inventors

Tampere, Finland

Simo Setälä

Growing community of inventors

Tampere, Finland

Simo Set&auml;l&auml;

Simo Setälä