Apparatus for manufacturing a filtering medium in sheet form

Details Apparatus for manufacturing a filtering medium in sheet form Apparatus for manufacturing a filtering medium in sheet form

1997-07-14

1999-11-30

Fortuna, Jose

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162304, 162300, 162321, 162334, D21F 1300, D21F 160, D21F 158

Patent

active

059936053

ABSTRACT:
An apparatus for manufacturing a filtering medium in sheet form, comprising at least one first continuous machine, adapted for manufacturing paper and the like and suitable to form at least one first web on a first conveyor, and at least one second continuous machine also adapted for manufacturing paper and the like and suitable to form at least one second web on at least one second conveyor, the at least one second conveyor being arranged so as to make the at least one second web rest by gravity on the at least one first web, and at least one of the first and second continuous machines being suitable to form a web which is not uniformly distributed.

REFERENCES:
patent: 1152467 (1915-09-01), Zarnowiecki
patent: 1615391 (1927-01-01), Little
patent: 1737284 (1929-11-01), Loomis
patent: 1788531 (1931-01-01), Little
patent: 1972127 (1934-09-01), Beeson
patent: 3640839 (1972-02-01), Ochiai
patent: 4961824 (1990-10-01), Laitinen et al.

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