The invention relates to suction roll, which has in the space within its roll sleeve at least one transmitter, from which transmitter data is wirelessly transmitted to a receiver, which is also present in the space within the roll sleeve, and wherein the suction roll has at least one additional component to transfer data out of and/or into the suction roll.

The invention relates to suction roll, which has in the space within its roll sleeve at least one transmitter, from which transmitter data is wirelessly transmitted to a receiver, which is also present in the space within the roll sleeve, and wherein the suction roll has at least one additional component to transfer data out of and/or into the suction roll.

A forming section, commonly called wet part, of a fourdrinier machine includes a rotatable breast roll, a rotatable couch roll, a forming mesh disposed between said breast roll and said couch roll, wherein said forming mesh is tangent to a lower portion of said couch roll, a fabric mesh which is tangent to said couch roll, wherein the tangent point of said fabric mesh and said couch roll coincides with or is located front of the tangent point of said forming net and said couch roll, wherein said fabric mesh and said forming net are attached to part of the outer surface of said couch roll in an inner and outer manner, a dewatering unit disposed on the rear surface of said forming mesh, a headbox disposed above said breast roll for flowing pulp slurry to said forming mesh and a press roll disposed against on said couch roll to form a pressing zone between said press roll and said couch roll so as to press and dewater said wet fiber web formed on said forming mesh on the surface of said fabric mesh.

A forming section, commonly called wet part, of a fourdrinier machine includes a rotatable breast roll, a rotatable couch roll, a forming mesh disposed between said breast roll and said couch roll, wherein said forming mesh is tangent to a lower portion of said couch roll, a fabric mesh which is tangent to said couch roll, wherein the tangent point of said fabric mesh and said couch roll coincides with or is located front of the tangent point of said forming net and said couch roll, wherein said fabric mesh and said forming net are attached to part of the outer surface of said couch roll in an inner and outer manner, a dewatering unit disposed on the rear surface of said forming mesh, a headbox disposed above said breast roll for flowing pulp slurry to said forming mesh and a press roll disposed against on said couch roll to form a pressing zone between said press roll and said couch roll so as to press and dewater said wet fiber web formed on said forming mesh on the surface of said fabric mesh.

A fibrous body manufacturing apparatus includes a putting-out unit, a transportation unit, a deposition unit, and a pressing and heating unit. The putting-out unit puts a ground sheet out, with a functional member arranged on one side of a sheet. The transportation unit transports the ground sheet put out onto itself. The deposition unit lets fibers and a binder deposit on one side of the transported ground sheet, thereby forming a web thereon. The pressing and heating unit applies pressure and heat to the web.

A fibrous body manufacturing apparatus includes a putting-out unit, a transportation unit, a deposition unit, and a pressing and heating unit. The putting-out unit puts a ground sheet out, with a functional member arranged on one side of a sheet. The transportation unit transports the ground sheet put out onto itself. The deposition unit lets fibers and a binder deposit on one side of the transported ground sheet, thereby forming a web thereon. The pressing and heating unit applies pressure and heat to the web.

A sealing device for sealing a positive or negative pressure zone of a roll for a machine for producing or processing a fibrous web includes a sealing strip and a lubricating device for introducing a lubricant between an inner surface of a roll shell and a sealing surface of the sealing strip when used as intended. The lubricating device includes a plurality of lubricant outlet openings and can be connected to a supply line for supplying lubricant. The lubricating device can be connected to the supply line through a plurality of inlets which are distributed over the length of the sealing strip. The sealing strip has a first and a second longitudinal-side end and the distance from at least one longitudinal-side end, preferably both longitudinal-side ends, to an inlet is at most 800 mm. A roll and a method for operating a roll are also provided.

A sealing device for sealing a positive or negative pressure zone of a roll for a machine for producing or processing a fibrous web includes a sealing strip and a lubricating device for introducing a lubricant between an inner surface of a roll shell and a sealing surface of the sealing strip when used as intended. The lubricating device includes a plurality of lubricant outlet openings and can be connected to a supply line for supplying lubricant. The lubricating device can be connected to the supply line through a plurality of inlets which are distributed over the length of the sealing strip. The sealing strip has a first and a second longitudinal-side end and the distance from at least one longitudinal-side end, preferably both longitudinal-side ends, to an inlet is at most 800 mm. A roll and a method for operating a roll are also provided.

A roll for a machine for producing or processing a fibrous web includes a movable roll shell, a positive or negative pressure zone which is disposed within the roll shell and is rotationally fixed relative to the roll shell, and a sealing device for sealing the positive or negative pressure zone from the surroundings. The sealing device has a sealing strip and a lubricating device with which a lubricant can be introduced between the inner surface of the roll shell and the sealing surface of the sealing strip. The lubricating device includes a plurality of lubricant outlet openings and is connected to a supply line for supplying lubricant through a plurality of inlet segments. The supply line includes an inner section which runs within the roll shell, the inner section having a storage volume of at least 490 cm.sup.3/m. A method for operating a roll is also provided.

A roll for a machine for producing or processing a fibrous web includes a movable roll shell, a positive or negative pressure zone which is disposed within the roll shell and is rotationally fixed relative to the roll shell, and a sealing device for sealing the positive or negative pressure zone from the surroundings. The sealing device has a sealing strip and a lubricating device with which a lubricant can be introduced between the inner surface of the roll shell and the sealing surface of the sealing strip. The lubricating device includes a plurality of lubricant outlet openings and is connected to a supply line for supplying lubricant through a plurality of inlet segments. The supply line includes an inner section which runs within the roll shell, the inner section having a storage volume of at least 490 cm.sup.3/m. A method for operating a roll is also provided.