BASE PLATE FOR PULP MOULDS

摘要

The application discloses a base plate comprising a rigid body portion (50), means (51, 52', 52") arranged within the rigid body portion (50) to enable vacuum to be applied. The vacuum means comprise an open space (51) in the form of a centrally positioned recess forming a vacuum chamber (51) within the rigid body portion (50) and at least one connecting channel portion (52', 52") that extends in the main plane of the rigid body portion (50) arranged to connect the vacuum chamber (51) with a vacuum source (52). An assembly comprising the base plate and a pulp mould, as well as methods for producing the base plate and the assembly, are also disclosed.