Abstract: Apparatus for feeding paper webs and the like, for producing cardboard tubes, characterized in that it comprises a plan modular structure (1) with a development mostly longitudinal and exhibiting two opposite surfaces (1a, 1b), one (1a) of the surfaces supporting pairs of shafts or axes (2, 2?) horizontally oriented parallel to the one surface and located at a preset distance from the ground, each of the shafts or axes (2, 2?) intended to support at least a reel (3, 3?) from which a paper web unwinds, so that the output webs run parallel and superimposed to each other along the other surface (1b) of the structure, and in that it comprises automatic means, associated with the structure (1), for the cutting and mutual gluing of the webs which unwind from two different reels (3, 3?) of a same pair of shafts (2, 2?).

Abstract: Apparatus for moving logs (2) within cutting-off machines. The apparatus includes a platform (1) with one or more longitudinal channels (10) inside which the logs to be cut are disposed, and a pusher device (3) acting in correspondence of the platform (1) and intended for acting on the back of the logs (2) to push them, along respective guide channels (10), toward a cutting device (4) disposed downstream. The apparatus includes a clamping device (5) disposed intermediate between the pusher device (3) and the cutting device (4) and intended for engaging the logs (2) which are pushed along the channels (10) of platform (1) by the pusher device (3) and driving them along up to the cutting device (4).

Abstract: Method for producing cardboard tubes by winding a plurality of ribbons (U, L) onto a spindle (1), a preset number of said ribbons (U, L) being glued in correspondence of the lower surface thereof, characterized in that a predetermined amount of supplementary quick setting glue is applied on the lower surface of the last ribbon (U) destined to be wound on the spindle (1), in proximity to at least a longitudinal edge (BU) of said ribbon (U) forming a corresponding stripe of quick setting glue (G) astride of a section (ST) of the same ribbon interested by a subsequent cutting action executed downstream of the spindle (1).

Abstract: A method for producing logs of paper comprises: feeding a continuous paper web along a fixed path; transversely perforating the paper web such that the paper can be subdivided into various lengths and detached by tearing; feeding tubes such that a preset number of sheets are wound onto said tube to form a log, the tubes being guided in a tube-guiding channel extending between a tube-feeding station and a log-forming station, the channel being delimited in part by a fixed guide and in part by a roller for feeding the paper; and applying glue within the channel such that the last sheet is glued to the log being formed and the paper web is glued to the next tube.

Abstract: The invention refers to a rewinding machine and a method for producing logs of paper; the machine comprises means for feeding a continuous paper web (2) along a predetermined path, means for operating a series of discontinuous transverse cuts in order to subdivide the web (2) into portions of sheets of predetermined length to be separated by tear, means for feeding tubular cores (1) upon each of which a preset number of sheets is to be wound to form a log, a cores (1)-guiding channel (C) which extends between a cores (1)-feeding station (A) and a station at which a log (RO) is formed, the said channel (C) being delimited in part by a fixed guide (3) and in part by a roller (RA) which cooperates for the feeding of the paper (2); the machine comprises a device (4, 5; 32, 31) able to deliver predetermined amounts of glue within said channel (C), the said device including first and second means (4, 31; 5, 32) located and acting on corresponding preset points being located between the station (A) for feeding the c

Abstract: A method for producing logs of paper comprises: feeding a continuous paper web along a fixed path; transversely perforating the paper web such that the paper can be subdivided into various lengths and detached by tearing; feeding tubes such that a preset number of sheets are wound onto said tube to form a log, the tubes being guided in a tube-guiding channel extending between a tube-feeding station and a log-forming station, the channel being delimited in part by a fixed guide and in part by a roller for feeding the paper; and applying glue within the channel such that the last sheet is glued to the log being formed and the paper web is glued to the next tube.

Abstract: Store for stocking tubes therein, comprising means (4) for feeding tubes (1) into the store, and means (7) for unloading the tubes (1) therefrom, the store being located between said supply means (4) and said unloading means (7), characterized in that it comprises a plurality of supports (8) each of which defines a plane inclined towards said unloading means (7) and able to receive a plurality of tubes (1) from said supply means (4): each of said supports (8) being movable between a stand-by position where it is empty, a position of transit of tubes (1) in which it defines an inclined plane, which connects said tube-supplying means (4) said tube-unloading means (7), and a stock position in which it is full up.

Abstract: An apparatus for reel replacement in machines for the production of reels of light-weight web material, of a type with a device for winding material onto a tubular core or rod and a device for feeding an unloaded rod (spool) intended to replace the reel. The apparatus has a surface (80) able to delimit, in cooperation with the surface of an unloaded rod (51), a channel (85) to which a jet of air produced by a plurality of nozzles (9) is directed.

Abstract: Apparatus for causing paper webs to tear off within rewinding machines, the said web (2) being provided, at regular intervals, with transverse perforation which subdivide the web into sheets joined to each other but able to be separated in correspondence of said perforation lines, the apparatus comprising means to cause the tearing of the web (2) upon the passage of a perforation line (p) which separates the last sheet of a log (RO) in the course of formation from the first sheet of the next log to be formed, characterized in that the said tearing means are of pneumatic type (SP) able to direct a jet of compressed air toward the said line (p).

Abstract: Apparatus for temporarily holding logs within cutting-off machines, characterized in that it comprises two plates (60) each of which exhibits a plurality of pressers (61) and an appendix sliding within a guide (7): the said plates (60) being associated with an actuator (8) which drive them, under control, in a substantially straight movement in the direction of the relevant guides (7) and being disposed in mirror-like and parallel relationship to each other, that is, orthogonally to the logs (2) to be treated.

Abstract: Store for stocking tubes therein, comprising means (4) for feeding tubes (1) into the store, and means (7) for unloading the tubes (1) therefrom, the store being located between said supply means (4) and said unloading means (7), characterized in that it comprises a plurality of supports (8) each of which defines a plane inclined towards said unloading means (7) and able to receive a plurality of tubes (1) from said supply means (4): each of said supports (8) being movable between a stand-by position where it is empty, a position of transit of tubes (1) in which it defines an inclined plane, which connects said tube-supplying means (4) said tube-unloading means (7), and a stock position in which it is full up.

Abstract: Apparatus for moving logs (2) within cutting-off machines, comprising a platform (1) with one or more longitudinal channels (10) inside which the logs to be cut are disposed, and pusher means (3) acting in correspondence of said platform (1) and intended for acting on the back of the logs (2) to push them, along respective guide channels (10), toward cutting means (4) disposed downstream, apparatus characterized in that it comprises clamping means (5) disposed intermediate between said pusher means (3) and said cutting means (4) and intended for engaging the logs (2) which are pushed along the channels (10) of platform (1) by the pushers (3) and driving them along up to said cutting means (4).

Abstract: Apparatus for trimming paper rolls or logs (2) characterized in that it comprises:—a section for the entry of he logs 82) to be trimmed,—a section for the exit of the trimmed logs (2?);—a station with cutting means (6) for trimming the logs (2);—means (3) for moving the logs (2, 2?) between said entry section, said cutting station and said exit section;—means (4), associated with said log-moving means (3), for retaining the logs when subjected to said movement.

Abstract: Apparatus for continually joining paper webs, comprising means able to compress the said webs (5, 6) onto an impression cylinder or roller (4) while the webs advance toward an outlet section of the apparatus, characterized in that said compressive means include a roller or cylinder (2) which exhibits a hard outer surface (20) supported by an underlying elastic surface (23).

Abstract: An apparatus for reel replacement in machines for the production of reels of light-weight web material, of a type with a device for winding material onto a tubular core or rod and a device for feeding an unloaded rod (spool) intended to replace the reel. The apparatus has a surface (80) able to delimit, in cooperation with the surface of an unloaded rod (51), a channel (85) to which a jet of air produced by a plurality of nozzles (9) is directed.

Abstract: Cardboard tubes producing machine, comprising means for feeding more paper or paper-like strips or ribbon-shaped material, a part of which is glued in correspondence of the lower surface thereof, for advancing and winding the said strips or ribbon-shaped material forming overlapping and staggered spirals onto a spindle (1), and cutting means for cutting the tube obtained by the advancement and winding of the strips or ribbon-shaped material on the spindle (1), thus obtaining tubular elements having a predetermined length. The machine comprises means (3), positioned upstream of the spindle (1) with respect to the advancing direction of the strips or ribbon-shaped material towards the spindle (1), distributing a predetermined amount of quick setting glue between the surfaces of the penultimate and the last strips or ribbon-shaped material wound on the spindle (1).

Abstract: Apparatus for feeding paper webs and the like, for producing cardboard tubes, characterized in that it comprises a plan modular structure (1) with a development mostly longitudinal and exhibiting two opposite surfaces (1a, 1b), one (1a) of said surfaces supporting pairs of shafts or axes (2, 2?) horizontally oriented parallel to said one surface and located at a preset distance from the ground, each of said shafts or axes (2, 2?) intended to support at least a reel (3, 3?) from which a paper web unwinds, so that the output webs run parallel and superimposed to each other along the other surface (1b) of the structure, and in that it comprises automatic means, associated with said structure (1), for the cutting and mutual gluing of the webs which unwind from two different reels (3, 3?) of a same pair of shafts (2, 2?).

Abstract: The equipment for the production of a paper web material comprises: a first former (1) for forming a first layer (S1) consisting of a slurry containing fibers and water; a second former (2) for forming a second layer (S2) consisting of a slurry containing fibers and water; a third former (3) for forming a third layer (S3) consisting of a slurry containing fibers and water; and a creping device (50A, 50B) for wet creping of the third layer.

Abstract: The invention refers to a rewinding machine and a method for producing logs of paper; the machine comprises means for feeding a continuous paper web (2) along a predetermined path, means for operating a series of discontinuous transverse cuts in order to subdivide the web (2) into portions of sheets of predetermined length to be separated by tear, means for feeding tubular cores (1) upon each of which a preset number of sheets is to be wound to form a log, a cores (1)-guiding channel (C) which extends between a cores (1)-feeding station (A) and a station at which a log (RO) is formed, the said channel (C) being delimited in part by a fixed guide (3) and in part by a roller (RA) which cooperates for the feeding of the paper (2); the machine comprises a device (4, 5; 32, 31) able to deliver predetermined amounts of glue within said channel (C), the said device including first and second means (4, 31; 5, 32) located and acting on corresponding preset points being located between the station (A) for feeding the c

Abstract: The pulper device for waste paper material comprises: a container (9) for collecting said waste, having an inlet opening (11) for said waste, at least one pressurized water nozzle (13; 15) which produces a jet of water which intercepts the waste which falls into said container, and a first pump (27) which removes the water and waste from said container.