B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 27/00 (2006.01) B65H 18/16 (2006.01) B65H 18/20 (2006.01) B65H 75/18 (2006.01) D01G 27/02 (2006.01)
Patent
CA 2245160
It is known that in order to wind up webs (1) of paper or cardboard it is possible to use winding machines with rollers that have a hollow, cylindrical support body (7) that is of rigid material, with a deformable layer applied to its outside surface. The deformable layer (9) is of a cellular plastic material that incorporates a large number of evenly distributed pores, the size of which is smaller than 5 mm, and is preferably between 0.05 and 1 mm. The pores include partially open pores and closed pores. The compression modulus k is less than 10 MPa. It is preferred that the roller according to the present invention be used in the winding machine as a carrier roller (5) or a pressure roller (6).
Pour enrouler des bandes de papier ou de carton (1), on connaît les enrouleurs équipés de rouleaux qui comportent un élément support (7) cylindrique creux réalisé dans un matériau solide, sur l'enveloppe extérieure duquel est appliquée une couche déformable. Selon l'invention, la couche déformable (9) consiste en un matériau plastique cellulaire présentant une pluralité de pores répartis uniformément, dont la grosseur est inférieure à 5mm, et se situe de préférence entre 0,05 mm et 1 mm. Le module de compression k du matériau est inférieur à 10 MPa. Le rouleau réalisé selon l'invention est monté dans l'enrouleur de préférence sous forme de rouleau porteur (5) ou de rouleau-presseur (6).
Muller Georg
Peters Hans-Friedrich
Fetherstonhaugh & Co.
Jagenberg Papiertechnik Gmbh
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