Edge curling device for Fourdrinier fabric
First Claim
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1. In a Fourdrinier papermaking machining having a travelling forming fabric with two lateral edges on a fixed machine frame, a plurality of spaced edge curling devices positioned along and in contact with the respective lateral edges of said forming fabric and structured to curl said lateral edges upwards;
- each said curling device comprising a generally cylindrical spindle symmetrical about its longitudinal axis mounted on a coaxial shaft with said spindle being freely rotatable about said axis, a mounting bracket for rigidly connecting said shaft to said frame, and an articulated adjustment means for positioning said spindle at any angle of contact and position with respect to said lateral edge, said articulate adjustment means including a plurality of shaft members joined to each other through a shaft connector means structured and arranged to permit axial rotational movement and sliding linear movement of each shaft member with respect to said shaft connector means.
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Abstract
A roller device attachable to the frame of a Fourdrinier paper-making machine near the lateral edges of the forming fabric in the sheet forming zone to press against each of the lateral edges of the forming fabric and cause them to curl upwardly so as to contain the fibrous slurry on the forming fabric.
9 Citations
19 Claims
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1. In a Fourdrinier papermaking machining having a travelling forming fabric with two lateral edges on a fixed machine frame, a plurality of spaced edge curling devices positioned along and in contact with the respective lateral edges of said forming fabric and structured to curl said lateral edges upwards;
- each said curling device comprising a generally cylindrical spindle symmetrical about its longitudinal axis mounted on a coaxial shaft with said spindle being freely rotatable about said axis, a mounting bracket for rigidly connecting said shaft to said frame, and an articulated adjustment means for positioning said spindle at any angle of contact and position with respect to said lateral edge, said articulate adjustment means including a plurality of shaft members joined to each other through a shaft connector means structured and arranged to permit axial rotational movement and sliding linear movement of each shaft member with respect to said shaft connector means.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- 9. In a Fourdrinier papermaking machine, an edge curling device for use in curling upward the lateral edges of a forming screen of the Fourdrinier papermaking machine, said device comprising a freely rotating roller symmetrical about its axis and mounted on a shaft wherein the axis of the shaft and the rotational axis of said roller coincide, said shaft being adjustably attachable to an articulated bracket rigidly attached to the frame of a papermaking machine adjacent one of said lateral edges, said articulated bracket being structured to press said roller against said one lateral edge to cause it to curl upwards as it passes across said roller, said articulated bracket comprising a plurality of elongated arms and a fitting means structured and arranged to permit axial rotational movement and sliding linear movement of each arm with respect to said fitting means, said fitting means being clampable onto one of said arms in any desired position.
Specification