The Edge SpreaderTM headbox cheeking piece extension has a built in hinge for easy adjustment in and out of the stock stream. This allows for control of any waves or disturbances created by the headbox, and controls weight on the edges of the sheet for improved basis weight, moisture and TSO angle profiles.
The Edge SpreaderTM also creates a perfect seal against the forming fabric through use of a Teflon insert that is adjustable on the run. The insert is positioned at a 90 degree angle with respect to the forming fabric. This permits very little pressure for sealing so the insert wears longer, does not fray and cause tears or fiber build up, and is nonabrasive on the edges of the forming fabric.