Method and apparatus for treating a web of paper or board

Details Method and apparatus for treating a web of paper or board Method and apparatus for treating a web of paper or board

2008-09-09

2008-09-09

Hug, Eric (Department: 1791)

Paper making and fiber liberation

Processes and products

With coating after drying

C162S205000, C162S265000, C162S361000, C118S117000, C118S122000, C118SDIG009, C427S361000

Reexamination Certificate

active

11122955

ABSTRACT:
A method and an arrangement for treating a web (2) of paper or board is described, in which a functional coating (5) is applied to the web (2) and the web (2) is then calendered.It is wished to obtain a web provided with a functional coating in a cost-effective fashion.This is achieved through the following combination:the functional coating (5) is applied without direct contact,the web (2) is calendered online in conjunction with the application of the coating,calendering takes place in a broad nip (18) in a shoe calender (9), which exhibits a shoe roller (10) with a rotating outer cover (11) and a squeeze roller (14).

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EP Search Report, Sep. 1, 2005, for related application.

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