D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
D21B 1/12 (2006.01) D21B 1/26 (2006.01) D21D 1/20 (2006.01)
Patent
CA 2753942
The invention relates to a feeding apparatus for cellulosic material comprising a screw (16) feeding the material towards an anvil whereby a pressure tight material plug (40) is formed. The screw (16) comprises a peripheral part (22) having an around said part in the housing (14) of the apparatus arranged throttle means (32). What is characterized for the invention is that the throttle means (32) creates a plurality of radial openings (28) through which the material is ejected from the screw (16) during build up of a pressure sealing material plug (40).
L'invention concerne un appareil d'alimentation de matière cellulosique qui comprend une vis (16) amenant le matériau vers une enclume pour la formation d'un bouchon en matériau étanche à la pression (40). La vis (16) comprend une partie périphérique (22) sur le pourtour de laquelle est établi un moyen d'étranglement (32), dans le boîtier (14) de l'appareil. L'invention est caractérisée en ce que le moyen d'étranglement (32) crée une pluralité d'ouvertures radiales (28) à travers lesquelles lla matière est éjectée de la vis (16) au cours de la formation d'un bouchon en matériau étanche à la pression (40).
Marks & Clerk
Obitz Lars
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