Replaceable wearing surface for a sealing arrangement
AssigneeKvaerner Pulping AB
InventorsStefan Hansson, Bo Clarstrom, Johan Eriksson
Life of this patent
Estimating the term…
Abstract
The replaceable wearing surface is for a sealing arrangement on drum end walls on a press drum that de-waters fiber suspensions radially into the drum through the shell of the drum. The wearing surface of the sealing arrangement has a wear ring and holder members. The wear ring is, on a side that faces into the drum from the drum end-wall, provided with locking members. The locking members are arranged parallel to the drum axis and are preferably in the form of knob-shaped locking members. The arms of the holder members are designed to engage the locking members. The holder members are fastened to the drum end wall by suitable fixing members.
Claims12
A replaceable wearing surface for a sealing arrangement on drum end walls on a press drum that de-waters fiber suspensions radially into the drum through the shell of the drum, comprising:
- a wear ring mounted on the drum, the wear ring having a locking member on a side that faces into the drum from a drum end wall, the locking member extending in an axial direction of the drum;
- a holder member having at least one radially directed arm, the arm being designed to interact with the locking member, when the arm is pressed out in a radial direction of the drum, to secure the wear ring in the axial direction against the drum end wall, the holder member having at least one interacting fixing connection for fastening the holder member to the drum end wall.
Dependencies are inferred from the claim text.