Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work
Reexamination Certificate
2007-05-15
2007-05-15
Davis, Robert B. (Department: 1722)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Reshaping running or indefinite-length work
C425S367000, C426S502000
Reexamination Certificate
active
10919132
ABSTRACT:
An improved dough sheeting system and method which allow for improved selection of sheeter gap size and which provide a quick release mechanism to prevent damage to sheeter rollers. Hydraulic actuators, attached to a movable roller, hold the roller in a fixed position relative to an opposing roller. The actuators are engaged with a closing force in excess of the force exerted by the sheeted material against the rollers thereby ensuring that the rollers maintain a gap of fixed width. Thermal expansion blocks mounted to the frame or housing of the opposing roller provide a means for fine adjustments in the sheeter gap.
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Graham Lawrence Alan
Harvey Andrew Cecil
Joseph Ponnattu Kurian
Leon Ouellette Edward
Cahoon Colin P.
Carstens & Cahoon LLP
Davis Robert B.
Frito-Lay North America, Inc.
Wang William S.
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