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| Number | Title | Issue Date |
| 8037794 | Cutting machine to cut rolls or logs of web material and relative method The cutting machine includes pairs of coaxial blades to simultaneously cut two rolls for each cutting cycle. ... | 10/18/2011 |
| 8011612 | Method and machine for the production of logs of web material The rewinding machine includes a winding system and a feed path for a web material towards the winding system. Along the feed path is a channel for insertion of the cores and an interruption member which acts on the web material. ... | 09/06/2011 |
| 8007639 | System for producing an article made of tissue paper or the like comprising a superabsorbent material A method for producing an article made of a web material, comprising at least one ply, wherein a superabsorbent material in powder form is associated with said ply. ... | 08/30/2011 |
| 7992818 | Coreless roll of web material, machine and method for its production A method is described for obtaining a coreless roll (R) of web material with a first portion of web material forming an inner nucleus (R1) of said roll and a second portion of web material (R2) wound around the outside of said nucleus. The two portions... | 08/09/2011 |
| 7946205 | Device and method for eliminating trimmings from series of products, such as rolls or the like The device comprises at least a continuous movable flexible member (23) carrying a series of contact members (29, 29A, 29B) for the products (R; R1; RN) aligned with one another. A section of the movable flexible member is devoid of said ... | 05/24/2011 |
| 7942363 | Combined peripheral and central rewinding machine The rewinding machine comprises: a first winding roller (11) and a second winding roller (13) defining a nip (15) through which said cores are inserted and through which said web material (N) is fed; and at least one pair of motorized engaging m... | 05/17/2011 |
| 7938355 | Device and method for feeding plies of web material The device includes a supporting surface, with an initial curved surface portion, and a substantially flat surface portion. Above the supporting surface, extends at least part of a first path and of a second path of a first ply and of a second ply. The two paths are... | 05/10/2011 |
| 7931226 | Method and machine for forming logs of web material, with a mechanical device for forming the initial turn of the logs The rewinding machine includes a winding unit; a feed path of a web material; a separator device to sever the web material upon completion of winding each log; an insertion path of the winding cores towards the winding unit; a movable mechanical member to facilitate... | 04/26/2011 |
| 7922641 | Machine for the production of tubes by winding strips of weblike material The machine for producing tubes includes a winding spindle around which strips of weblike material are wound to form the tube, which is made to advance along the spindle; a device for supply and winding of the strips around the spindle, and at least one knife for cu... | 04/12/2011 |
| 7922473 | Roller with interchangeable sleeve for embossing units and embossing units comprising said roller An embossing roller for processing a web material comprises a central axle (53) and a removable and interchangeable outer sleeve (51); the interchangeable sleeve has an essentially cylindrical outer surface provided with protuberances and/or cavities. ... | 04/12/2011 |
| 7901751 | Interchangeable sleeve for embossing rollers or the like, method for the production thereof, and roller comprising said sleeve The interchangeable sleeve comprises: a substantially cylindrical outer surface (105A); a layer of hardened resin (R); a substantially conical inner surface for connection to a conical central core of the roller. The inner surface is formed at least partially... | 03/08/2011 |
| 7896284 | Method and machine for the production of logs of wound web material A rewinding machine is described including: a path for feeding the web material towards a winding system; interruption members to interrupt the web material at the end of winding of a log; a core insertion channel, defined by a rolling surface and a movable member; ... | 03/01/2011 |
| 7891598 | Rewinding machine and winding method for the production of logs The rewinding machine includes a path for insertion of tubular cores; a winding cradle; a first moving member designed to be in contact with the web material to be wound; a rolling surface forming, with the first moving member, a channel for passage of the tubular c... | 02/22/2011 |
| 7887003 | Machine and method for the production of rolls of weblike material together with a winding core and roll thus obtained Described herein is a rewinding machine for the production of rolls (L) of weblike material around winding cores, including a path for the weblike material (N) and a winding area, in which said weblike material is wound in rolls. The machine moreover comprises a fee... | 02/15/2011 |
| 7832676 | Rewinding machine, for the production of logs of web material and logs obtained The rewinding machine includes a winding system and a path for feeding a web material towards said the winding system. Along the feed path at least one suction member is positioned to temporarily obstruct feeding of the web material and cause interruption thereof at... | 11/16/2010 |
| 7775476 | Rewinding machine to rewind web material on a core for rolls and corresponding method of winding In a rewinding machine for winding web material onto a core to form rolls which has an unusual capability for accurate regulation of the winding, the web material is supplied to a winding drum and is transferred to the core to form the roll. The core is supported, r... | 08/17/2010 |
| 7771337 | Self-centering tucker assembly for a folding roll An interfolding machine includes a first folding roll with a series of the gripper assemblies and a series of tucker assemblies uniformly and alternately spaced to interact with a series of gripper and tucker assemblies of an adjacent second folding roll. The series... | 08/10/2010 |
| 7726598 | Unwiding device for reels of web material and relative method The unwinding device comprises: a rotating element (3) with supports (13, 15) for at least two reels (B1; B2; B3); a splicing member (31, 33, 35) to join a first web material (N1) coming from an expiring reel (B1 | 06/01/2010 |
| 7695420 | Machine for producing tubular products with a cutter carried by a rotating arm and relative production method The machine comprises a mandrel (4), a winding member (7) to helically wind said strips of web material about said mandrel and form a continuous tube; and rotating disk-shaped cutter (25), cooperating with said mandrel (4), to cut the con... | 04/13/2010 |
| 7645222 | Variable crown roller for devices for processing continuous web material and device comprising said roller A pressure roller (3; 7) for devices for processing continuous web materials is described, comprising a lateral surface (3S; 7S), including a regulating system (29, 50) to impose an adjustable crown of the lateral surface (3S; 7... | 01/12/2010 |
| 7618004 | Multifunction unwinding device The unwinding device to unwind reels of web material includes: unwinding members to simultaneously unwind a first reel and a second reel; a splicing device to join together a first web material coming from the first reel and a second web material coming from the sec... | 11/17/2009 |
| 7562871 | Pressurized air assist system for feeding overlapping sheets to an interfolder A sheet supply system, for use in supplying overlapped sheets to an interfolder, includes a bed roll on which a web is cut into successive sheets. The sheets are supplied to a sheet supply passage leading to retard rolls, which overlap the sheets within the supply p... | 07/21/2009 |
| 7543775 | Plant for handling reels of paper or similar and for converting thereof and carriage for handling said reels The plant comprises in combination at least one winder (3) which receives at least one web material and produces large diameter reels (B) by winding said web material around winding mandrels (M); at least one unwinder (9) which unwinds said large diame... | 06/09/2009 |
| 7530569 | High volume adjustable vacuum assembly for a roll in an interfolding machine An interfolding machine includes a rotating roll with a series of ports configured to apply a vacuum pressure for holding and releasing sheet or web material. The interfolding machine further includes a valve assembly to regulate the vacuum pressure communicated to ... | 05/12/2009 |
| 7523884 | Rewinding machine with gluing device to glue the final edge of the log formed and relative winding method The rewinding machine comprises: winding elements (1, 3, 5) to wind the web material (N) and form the logs (L1, L2); at least a first glue dispenser (31B) to apply a first glue (C2) to a portion of said web material, in proximity t... | 04/28/2009 |
| 7500634 | Unwinder device for reels of web-like material with temporary accumulator members for the material unwound in the phase of reel substitution and relative method The unwinder device comprises: unwinding members for simultaneously unwinding a first reel (B1) and a second reel (B2), a splicing device (151) for splicing together a first web-like material (N1) coming from said first reel (B1) a... | 03/10/2009 |
| 7458538 | Unwinding device for reels of web material with dual drive mechanism and relative unwinding method The device comprises: supports (3A, 5A; 3B, 5B) to support at least a reel (B1) in an unwinding position; at least a peripheral drive mechanism which acts on the cylindrical surface of the reel being unwound and transmits periphera... | 12/02/2008 |
| 7452318 | Machine and method for forming helically wound paper tubes having improved mechanical resistance A machine for producing a tubular product by helical winding of strips of web material including a mandrel and a winding member to helically wind the strips of web material around the mandrel is disclosed. To improve adhesion between the strips, at least one pressur... | 11/18/2008 |
| 7413139 | Device and method for controlling the tension of a weblike material The control device comprises: at least one member (12; 12X) for regulating the speed of advance on the weblike material; a central control unit (41); a guiding roller (31) with mobile axis, over which the weblike material is run; and a position ... | 08/19/2008 |
| 7404529 | Rewinding machine for producing logs of wound web material and relative method The rewinding machine includes a first winding roller; a second winding roller; a nip defined between the first and second winding rollers, through which the web material is fed; a roller surface, extending upstream of the nip in relation to the direction of feed of... | 07/29/2008 |
| 7398942 | Rewinding machine to produce logs of web material and relative winding method The machine comprises in combination: a winding cradle (7); an insertion member (29) to insert winding cores (A, A1) into said cradle; an ejector (39) to eject the logs formed from said cradle (7) causing them to roll on an unloadi... | 07/15/2008 |
| 7357892 | Method of manufacturing cylinder with interchangeable sleeve The rotating cylinder comprises: an elongated inner core (12) which is substantially rigid and an interchangeable sleeve (45) which is fitted onto the core; the sleeve is axially and angularly constrained to said core and is provided on its external su... | 04/15/2008 |
| 7350740 | Automatic and continuous unwinder device for supplying web-like material from reels The unwinder device includes an unwinding station (7), with unwinding members for unwinding reels and a splicing device (151) for splicing together web-like materials (N1 and N2) coming from a first reel (B1) and from a second reel... | 04/01/2008 |
| 7350739 | Method for producing logs of web material and rewinding machine implementing said method A method for producing logs (L1, L2) of web material (N) wound around tubular cores wherein the tubular core (A1-A4) is equipped with glue to secure the initial end of the web material and allow winding. Part of the glue applied to the tu... | 04/01/2008 |
| 7338006 | Rewinding machine and method for the production of logs, with means to control the final diameter of the logs The rewinding machine comprises a winding roller (5) equipped with a moving axis to remain in contact with a log (R) being formed and allow the diameter of said log to increase. A member to control the action of said roller on the log (R) being formed is asso... | 03/04/2008 |
| 7322917 | Embossing cylinder with interchangeable sleeve and with system for locking the sleeve at the ends and embossing machine comprising said cylinder The rotating cylinder for processing a web material comprises an essentially rigid cylindrical core (13), on which is fitted an interchangeable sleeve (45) of elastically expandable material whose rigidity is less than that of the material of the core;... | 01/29/2008 |
| 7318562 | Rewinding machine and method for the formation of logs of web material with means for severing the web material The rewinding machine for the formation of logs (L) of web material (N) wound on a core (A), includes a first winder roller (15) around which the web material (N) is fed, and a second winder roller (17) forming, with the first winder roller, a nip (... | 01/15/2008 |
| 7293736 | Rewinding machine to rewind web material on a core for rolls and corresponding method of winding In a rewinding machine for winding web material onto a core to form rolls which has an unusual capability for accurate regulation of the winding, the web material is supplied to a winding drum and is transferred to the core to form the roll. The core is supported, r... | 11/13/2007 |
| 7291379 | Method and device for producing an embossed web material and product made in this way For the production of a sheet product including at least two layers (V1, V2) it is suggested, among other things, an embossing device including a first pressure roller (5; 105) interacting with a first and a second embossing cylinder (1, 3; 1... | 11/06/2007 |
| 7285317 | Method and device for producing an embossed web material and product obtained with said method A method for producing an embossed web product comprising at least two plies (V1, V3) bone to one another by gluing, wherein: at least a first of said plies is embossed producing on it a first series of protuberances (P9) and a second series of ... | 10/23/2007 |
