(1) The roll on the fourdrinier or former which serves as a support for the fabric and to seal off the head box slice.
A moveable roll which is used to keep the fabric and felts running true.
business license
(1) The roll on the fourdrinier or former which serves as a support for the fabric and to seal off the head box slice.
A moveable roll which is used to keep the fabric and felts running true.