D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 3/02 (2006.01)
Patent
CA 2094812
An extended nip press apparatus (10) is disclosed for pressing water from a web of paper (W). The press includes a blanket (18) which defines an endless loop and a first and a second lateral edge (20, 22). Edge seals (24) cooperate with the edges (20, 22) for sealing the edges (20, 22) of the blanket (18) against egress of lubricant disposed between the shoe (14) and the blanket (18). The edge seals (24) include a head (26) rotatably secured to a frame (F) and an extension (28) which extends from the head (26). The extension (28) cooperates with the first edge (20) of the blanket (18) and defines a duck's bill configuration in a cross-ma- chine sectional view such that the first edge (20) of the blanket (18) conforms to a surface (S) defined by the extension (28). The surface (S) has a first portion (30) which undulates radially away from the head (26) in an outward direction, and a second por- tion (34) which undulates radially inwardly towards the head (26) in an outward direction. A clamp (36) adjustably secures the first edge (20) of the blanket (18) to the extension (28) so that flow of lubricant from between the shoe (14) and the blanket (18) past the head (26) is inhibited.
Filzen Scott E.
Lange David V.
Metso Paper Inc.
Mitsubishi Heavy Industries Ltd.
Ridout & Maybee Llp
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