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Method for manufacturing filtering baskets of fibres in aqueous suspension and a filtering basket manufactured with said method

A water suspension and filter basket technology, applied in the field of filter baskets, can solve problems such as high density of mechanical resistance that cannot have ring parts

Inactive Publication Date: 2005-12-14
COMER SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] Another drawback is due to the fact that the number of bars that can be provided in the above known filter baskets, and thus the number of filter channels, is limited by the fact that each bar has to be welded, glued or nailed to the ring part The minimum thickness limit on the base, it obviously cannot have a high density without compromising the mechanical resistance of the annular part

Method used

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  • Method for manufacturing filtering baskets of fibres in aqueous suspension and a filtering basket manufactured with said method
  • Method for manufacturing filtering baskets of fibres in aqueous suspension and a filtering basket manufactured with said method
  • Method for manufacturing filtering baskets of fibres in aqueous suspension and a filtering basket manufactured with said method

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Embodiment Construction

[0046] The filter basket of the present invention is as figure 1 and 2 As shown, wherein, the filter basket is indicated by reference numeral 1 as a whole.

[0047] The filter basket is used in a machine for filtering fibers in an aqueous suspension and, according to the invention, comprises a plurality of mainly longitudinally formed profiled bars 3, 4 which run side by side next to each other set up.

[0048] Said profiled bars 3, 4 have contact surfaces 5, 6, 7, 8 with adjacent profiled bars 3, 4 belonging to planes that meet each other, so that once they are placed side by side, a tubular structure 9 can be defined, which has A central longitudinal axis X substantially parallel to the longitudinal direction defined by said profiled bars 3 , 4 .

[0049] The filter basket 1 also comprises two or more annular parts 10 coaxial with each other and spaced apart from each other along said longitudinal axis X, said annular parts being connected together with the profiled rods ...

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Abstract

A method for manufacturing filtering baskets for filtering machines of fibres in aqueous suspension by preparing a plurality of mainly longitudinal developed shaped bars and the step in which the shaped bars are disposed side by side one close to another, at least some of the shaped bars having the contact surfaces with the adjacent shaped bars belonging to mutually convergent planes, to define a tubular structure having a central longitudinal axis. The method further includes the step of externally encircling the shaped bars by two or more coaxial annular members which are seperated each other along the longitudinal axis (X).

Description

technical field [0001] The invention relates to a method for producing a filter basket in a filter machine for filtering fibers in an aqueous suspension. [0002] The invention also relates to the filter basket obtained according to the teaching of the method. Background technique [0003] It is known that in paper production, an aqueous suspension containing cellulose fibers must be properly filtered in order to separate from said suspension any impurities present before it is used in the production process. [0004] Said filtration is done by means of a mechanical refiner in which said aqueous suspension is separated from said impurities and polluting substances contained in it, in order to send said aqueous suspension to subsequent processing processes . [0005] All mechanical refiners belong to the state of the art, but in their different embodiments basically consist of a fixed filter basket provided with calibrated holes in the side surface of which, inside the The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B5/00B01D29/11D21D5/00D21D5/16
CPCB01D29/111B01D29/23B01D29/445D21D5/00
Inventor G·达尔马索F·马加拉吉亚
Owner COMER SPA