Process and apparatus for the production of paper products

Details Process and apparatus for the production of paper products Process and apparatus for the production of paper products

2002-12-05

2009-06-23

Halpern, Mark (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With subsequent cutting, grooving, breaking, or comminuting

C264S140000, C264S109000, C264S319000, C162S903000, C162S173000, C425S371000, C425S209000, C425S204000, C425S363000

Reexamination Certificate

active

07550100

ABSTRACT:
A process and apparatus for producing a paper product, in which paper (M) in a particular form, and mixed with water, is subjected to pressure to form a compacted mass which involves, or includes, depositing the mix onto a first conveyor belt (10) and then progressively forming the conveyor belt into an upwardly open U-shape configuration and compressing the mix by means of a second conveyor belt (20) guided to progressively enter the first conveyor belt and progressively compact the mix.

REFERENCES:
patent: 1288025 (1918-12-01), Kennedy
patent: 2796810 (1957-06-01), Müller
patent: 4619381 (1986-10-01), Wurtz
patent: 4778046 (1988-10-01), Hashimoto et al.
patent: 5614227 (1997-03-01), Yarbrough
patent: 5725783 (1998-03-01), Hodén
patent: 6508965 (2003-01-01), Webb
patent: 9500334 (1996-08-01), None
patent: WO92/01833 (1992-02-01), None
patent: WO94/19539 (1994-09-01), None
patent: WO98/43805 (1998-10-01), None
International Search Report for PCT/AU02/01642 (Feb. 19, 2003).

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