Apparatus for generating generally uniform compression in high-v

Details Apparatus for generating generally uniform compression in high-v Apparatus for generating generally uniform compression in high-v

1996-11-14

1999-06-29

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

Separate means applying material directly to shaping means,...

73818, 425 95, 425135, 425DIG115, B29C 3358

Patent

active

059165995

ABSTRACT:
An apparatus for generating generally uniform compression forces over a film of a relatively low-viscosity liquid by passing the low-viscosity liquid through a porous plate, from an upstream face to a downstream face of the porous plate. The porous plate has a specified porosity and arrangement of the through holes or other pores that results in forming a uniform pressure through and uniform compression forces over a film of the low-viscosity liquid that is at or near the upstream face of the porous plate. The apparatus of this invention results in homogeneous deformation of a material, such as molten polymer, polymer solution, multiphase polymer systems, asphalts or foods.

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