초록 ▼

A process and apparatus for removing ink particles from an inked paper product which includes a conveyor for conveying the paper product along a path, the conveyor being constructed of a semi-permeable material that passes the ink particles while retaining the paper product. Vacuum boxes are positio

A process and apparatus for removing ink particles from an inked paper product which includes a conveyor for conveying the paper product along a path, the conveyor being constructed of a semi-permeable material that passes the ink particles while retaining the paper product. Vacuum boxes are positioned proximate to a first side of the conveyor for establishing a pressure differential across the conveyor and across a first segment of the path to draw the ink particles from the paper product through the conveyor. Shower heads on a second side of the conveyor directed a liquid toward the conveyor and on to the paper product as the paper product is advanced along the second segment of the path. Blocking members are positioned on the first side of the conveyor opposite the shower heads for substantially preventing the establishment of a pressure differential across the conveyor and across the second segment of the path and for preventing flow of liquid and ink particles through the conveyor across the second segment of the path.

대표청구항 ▼

A process for removing ink particles from an inked paper product comprising: forming a slurry from the inked paper product; flowing the slurry onto a surface of a semi-permeable conveyor having pores of sufficient size to pass liquid and the ink particles and retain the paper product on the surface

A process for removing ink particles from an inked paper product comprising: forming a slurry from the inked paper product; flowing the slurry onto a surface of a semi-permeable conveyor having pores of sufficient size to pass liquid and the ink particles and retain the paper product on the surface of the conveyor; establishing a pressure differential across the conveyor through the pores to draw liquid from the slurry and form a mat from the slurry; showering the mat with liquid in an area where substantially no pressure differential exists across a substantial portion of the conveyor through the pores and preventing substantial flow of liquid through pores of the conveyor in the area where the paper product is being showered to break the mat into a slurry and separate the ink particles from the paper product; and removing the separated ink particles from the paper product.