Method of and an arrangement for adding a chemical to an approach flow system of a fiber web machine

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United States of America Patent

PATENT NO 11352749
APP PUB NO 20200407913A1
SERIAL NO

16914799

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Abstract

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A method of and an arrangement for adding a chemical to an approach flow system of a fiber web machine by mixing of a retention chemical to a fibrous stock flowing in an approach flow system of a fiber web machine by a mixer (200) between the attenuator (16) and the headbox (18).

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Patent Owner(s)

Patent OwnerAddress
WETEND TECHNOLOGIES OYFINLAND SAVONLINNA SAVONLINNA EASTERN FINLAND
VALMET TECHNOLOGIES OYESPOO FINLAND ESPOO SOUTHERN FINLAND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mäkinen, Jari Jämsä, FI 11 92
Matula, Jouni Savonlinna, FI 34 252
Matula, Jussi Savonlinna, FI 8 62

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