Patent ID: 7823531
Filing Date: 2010-11-02
Classification: B41F

Abstract:
1. A control apparatus for controlling nip pressure in a nip of a metering size press, said apparatus comprising: a metering size press roll; a backing roll cooperating with said size press roll for defining therebetween the nip; a support post for rotatably supporting said backing roll; a linear bearing for mounting said support post; a moving device connected to said support post for moving said support post and said backing roll supported by said support post such that said supported backing roll and said support post mounted on said linear bearing is moved for controlling the nip pressure in the nip between said rolls; and said moving device including: a cylinder having a first and a second end, said first end being secured to said support post, said second end being secured relative to said size press roll such that when said cylinder is operated, said support post is moved relative to said size press roll.