Press roll with jacket edge clamping ring

Details Press roll with jacket edge clamping ring Press roll with jacket edge clamping ring

1997-10-17

1999-05-18

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162272, 492 22, D21F3/08

Patent

active

059048131

ABSTRACT:
A press roll intended, together with a press shoe, to cooperate with a counter roll to form a press with long nip for paper or board machines, said press roll comprising two end walls, a jacket, the edge portions of which are secured by an elastic clamping ring to peripheral parts of the end walls, a form-stable clamping ring being screwed to the inner side of the end-wall part to clamp the outwardly expandable elastic clamping ring so that the edge portion of the jacket is clamped firmly against a counter-support member. According to the invention each end wall includes guide means to provide a guided engagement relationship between the form-stable clamping ring and the end-wall part. The guide means includes one axially concentric guide groove in the form-stable clamping ring and an axial, concentric guide flange in the end-wall part for cooperation with the guide groove, the guide groove defining radially externally a radial clamping surface disposed opposite a corresponding clamping surface of the end-wall part for cooperating clamping of the elastic clamping ring.

REFERENCES:
patent: 4625376 (1986-12-01), Schiel et al.
patent: 5011578 (1991-04-01), Lange et al.
patent: 5098523 (1992-03-01), Ilmarinen et al.
patent: 5556514 (1996-09-01), Didier

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