Apparatus and method for moistening a material web
AssigneeVoith Sulzer Papiertechnik Patant GmbH
InventorFranz Kayser
Life of this patent
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Abstract
An apparatus for moistening a material web, the material web having opposed edges and a marginal region at each edge, the apparatus including a moistening device adapted to cover the marginal regions of the material web, so that only the marginal regions are moistened. Also provided is a method for moistening a material web, the method including covering the marginal regions of the material web with a moistening apparatus, and moistening only the marginal regions of the material web covered by the moistening apparatus.
Claims24
An apparatus for moistening a material web, the material web having opposed edges and a marginal region at each edge, the apparatus comprising a moistening device adapted to cover and moisten the marginal regions of the material web, said moistening device comprising at least two moisteners disposed in operative relation to a respective edge of the material web, wherein at least one of said at least two moisteners has a generally “U”-shaped cross section, the at least one of said at least two moisteners adapted to engage about the marginal region of the material web and to cover the upper and lower surfaces of the marginal region of the material web.
A method for moistening a material web, the material web having opposed edges and a marginal region at each edge, the method comprising:
- covering both marginal regions of the material web with a moistening apparatus having a generally “U”-shaped cross section, wherein each of the marginal regions is between about 10 and 15 cm in a width-wise direction;
- engaging the moistening apparatus about a marginal region of the material web;
- covering the upper and lower surfaces of a marginal region of the material web;
- and
- moistening only the marginal regions of the material web covered by the moistening apparatus.
Dependencies are inferred from the claim text.