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| Number | Title | Issue Date |
| 7802748 | Core feeding method in a rewinding machine for making logs of sheet material A method for rewinding a web of sheet material for making a log wound on a core in a winding zone formed between an upper winding roller and a lower winding roller. Upstream of the winding zone a cradle is provided for feeding the core connected to the support of th... | 09/28/2010 |
| 7712698 | Method and apparatus for forming a sheeted roll of material An apparatus for forming a wound roll of discrete overlapping sheets of web from a supply of continuous web. The web preferably is passed around a nip roller that steers the web onto the surface of a take-up core. A knife assembly including a knife blade extended fr... | 05/11/2010 |
| 7441681 | Apparatus for separating a web material An apparatus and method for separating a web material are disclosed herein. The apparatus includes a bedroll and a chop off roll. The bedroll includes a bedroll blade and a bedroll web pin. The chop off roll includes a pin pad and a plurality of chop off roll blades... | 10/28/2008 |
| 7360738 | Method for producing variously sized paper logs 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 t... | 04/22/2008 |
| 7338005 | Rewinder machine for the production of rolls of web material The rewinder machine comprises: a first winding roller (3); a second winding roller (5), defining with said first winding roller (3) a winding cradle; a feeder (33) for sequentially introducing winding cores to said winding cradle; an opt... | 03/04/2008 |
| 7264193 | Changeover device and method for changing over winding of web A web winder of a turret winding type is provided with a first spindle secured to a first drive shaft. A second spindle is secured to a second drive shaft. Positions of the first and second drive shafts are changeable in the web winder. A changeover device changes o... | 09/04/2007 |
| 7222813 | Multiprocessing apparatus for forming logs of web material and log manufacture process A log multiprocessing apparatus winds a web material around a winding core to form a log. Once the log is about to be completed, the web material is severed to form a tail of the log, and a pattern including at least one glue layer is applied on the tail of the log.... | 05/29/2007 |
| 7175126 | Rewinding machine for producing variously sized paper logs 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 subd... | 02/13/2007 |
| 7100657 | Sheet slitter-winder A sheet slitter winder that uses a sheet slitter to slit a wide sheet into a plurality of sheets of predetermined width, and winders to wind the slit sheets onto winding cores. Touch rollers contact the winding rolls. Temporary sheet-holding means have a sheet-retai... | 09/05/2006 |
| 7048224 | Wave-cut overlapping trash bags A process for assembling wave-cut trash bags for overlapping dispensing includes the steps of providing a flattened blown-film polymeric tube; providing sets of closely spaced, parallel seals extending across the entire width of the flattened blown-film polymeric tu... | 05/23/2006 |
| 6959885 | Center-feed roll and method of making thereof A double-wound center-feed roll is disclosed which is formed from at least two webs each having lines of weakness which allow the webs to be separated into a plurality of sheets. The lines of weakness of one web are offset from those of the other such that in use th... | 11/01/2005 |
| 6942404 | Marker tubing processing methods and apparatus A processing system according to the present invention includes a printer that receives unprocessed marker tubing stock (i.e., multiple rows of uncut and unprinted tubing mounted on a carrier) for simultaneous printing of the marker tubing and the carrier with a sin... | 09/13/2005 |
| 6488226 | Web rewinder chop-off and transfer assembly A web transfer and chop-off assembly for a paper web rewinder used in a paper converting operation capable of maintaining positive control of the web at all times. The web transfer and chop-off assembly delivers a web to an empty core faced with glue and ... | 12/03/2002 |
| 6431491 | Perforator for weblike materials with means for modifying the interval between consecutive lines of perforations The perforating unit comprises: a support (23) with at leat two fixed counterblades (25A, 25B); a first roller (27) revolving about its own axis and carrying a first series of rotary blades (29) acting in combination with a first (25A) one of said fixed c... | 08/13/2002 |
| 6338451 | Cross cutting device for a winding machine In a cross cutting device for a winding machine having at least a first carrier roll (11) wrapped by the web to be wound and a second carrier roll, both carrier rolls forming a winding bed for at least one roll (13) to be wound around a winding core (14),... | 01/15/2002 |
| 6328248 | Winding machine and winding method A winding machine and method for winding a material web onto a reel-spool in which the material web is transported over a support roll and a winding nip is formed between the support roll and the reel-spool. For changing of reel-spool, the material web is... | 12/11/2001 |
| 6050519 | Rewinder incorporating a tail sealer A method and apparatus for surface winding of a web material to form a roll is described, in which, at the end of the winding of the roll, the web material is severed to form a free tail edge and a free leading edge for the start of a subsequent roll. The... | 04/18/2000 |
| 6010090 | Method of perforating a web An elongated web of paper is perforated along a plurality of transverse lines to provide bands of web areas having relatively high tensile strength which extend generally longitudinally along the web. The lines of perforation can be formed by staggered pe... | 01/04/2000 |
| 5944278 | Flexible web converter waste removal apparatus and control A method and apparatus for reducing, capturing and disposing of the waste start up web of paper in high-speed manufacturing procedures which involve a converting step, e.g. laser perforation or the like. Specifically, the converting apparatus and the web ... | 08/31/1999 |
| 5901917 | Air-powered web slasher An air-powered web slasher features a cylindrical housing having an interior chamber and a sidewall with a spiral groove machined into it. A piston slides within the interior chamber and has a slasher needle attached to it. The slasher needle protrudes th... | 05/11/1999 |
| 5895006 | Perforator apparatus and perforating method for photo film, and photo film working/securing apparatus and method A perforator apparatus for continuous photo film includes a perforator unit having a punch and a die. The perforator unit is disposed between first and second suction chambers. The photo film is extended past each of the suction chambers. A blower applies... | 04/20/1999 |
| 5853138 | Plastic film processing apparatus A plastic film processing apparatus adapted for processing tiny pores in a plastic film, enabling it to be torn in any direction, the apparatus including two lifting blocks vertically adjusted by a respective adjusting screw, an impression cylinder revolv... | 12/29/1998 |
| 5845866 | Method for a reel change in a winding machine, and winding machine suitable for carrying out the method A method for change a reel in a paper winding machine which has at least one carrier roll. The paper web (3) is fed to the carrier roll (1). It wraps around a portion of the circumference of the carrier roll and is wound onto a reel (3.1). Shortly before ... | 12/08/1998 |
| 5823461 | No-fold back splicer with electrostatic web transfer device An apparatus and method of splicing a continuously moving web cuts and transfers the web to a new core for rewinding with a no-fold-back and wrinkle-free splice. The web is fed through a first nip point formed by a first introducer roll and a second cushi... | 10/20/1998 |
| 5735481 | Device for winding continuous-strip roll-fed material A device for winding a continuous strip of roll-fed material, reeled off a mother roll, sequentially onto several winding tubes. The winding tubes are mounted on rolling spindles provided on a rotatable carrier mount that permits timed angular rotation of... | 04/07/1998 |
| 5720446 | Method and device for cutting photographic products into strips A method and device for cutting photographic products into strips is accomplished by perforating a sheet of photographic product along predetermined transverse lines and then guiding the perforated product through a cutting member that cuts the sheet long... | 02/24/1998 |
| 5660349 | Method and apparatus for winding coreless rolls A method and apparatus for transferring a web to a mandrel to form a coreless, convolutely wound roll which includes an enveloping roller, first and second mandrels, a transfer roller and a cutoff mechanism in the path of travel of a web to be wound, adva... | 08/26/1997 |
| 5472540 | Method and apparatus for making pallet supports and pallets incorporating said supports A method and apparatus for manufacturing recyclable paper pallets utilizes spool-shaped laminated supports which are wound on a spool-shaped mandrel utilizing adhesive coated paper strips. In one aspect of the invention, the spool-shaped laminated support... | 12/05/1995 |
| 5441211 | Method and apparatus for uninterrupted winding of a continuous sheet onto a succeeding spool In a process and apparatus for winding a continuous webbing onto a windup spool wherein a webbing is fed from a supply direction to a rotatable feed drum, winding the webbing onto the feed drum, contacting the feed drum with a first windup spool for frict... | 08/15/1995 |
| 5421536 | Surface winder with recycled mandrels and method A surface winder and method employing recycled mandrels wherein a frame provides a winding path, a first winding drum for continuously advancing a web in the path and positioned on one side of the path, a mandrel inserter for introducing mandrels sequenti... | 06/06/1995 |
| 5368252 | Apparatus and method for winding rolls of web material with severing of web by roll acceleration A machine and process for the production of rolls or logs of web material wherein web material is fed through a nip (5) formed between two winding rollers (1, 3) and wound around a core to form a roll or log (R) within a winding space defined by said two ... | 11/29/1994 |
| 5335869 | Cut-web tail edge holding means for web winding apparatus A web winding apparatus including a main winding drum and a web separator roll which are operatively interconnected to rotate in synchronism. The drum has a channel in the surface thereof. The roll has a cutter blade projecting from the surface thereof. A... | 08/09/1994 |
| 5284304 | Perforating apparatus for paper webs and the like, with reciprocating motion of translation of the counter-blade A perforating apparatus is disclosed for rewinding machines and the like which includes a rotating roller (5), on which cutting blades (31) are disposed. A shaft (3) carries a perforating counter-blade (33) provided with indentations. An oscillating drive... | 02/08/1994 |
| 5273226 | Winding machine with support cylinders A winding machine includes a pair of support rollers spaced from one another an forming a cradle receiving a core to be wound, and a holding mechanism provided with respective upper and lower guide rollers and at least one elastic endless belt engaging th... | 12/28/1993 |
| 5248106 | Rewinder with means for changing the number of perforations provided around each log in the course of formation A rewinder for producing rolls or logs (R) of web material (N) comprises at least a roller (5, 7, 8) rotating at a speed proportional to the feeding speed of the web material (N), members (10, 11, 13) defining a winding space for the formation of the log ... | 09/28/1993 |
| 5222679 | Method of and apparatus for automatic replacement of a fully wound roll by a new sleeve in a winding machine A cradle-type winding machine has a pair of driven rollers receiving the sleeves on which the web is to be wound in a winding bed and a weakening device perforating the web upon temporary halting of the latter. A support can be raised into the winding bed... | 06/29/1993 |
| 5215275 | Plastic bags roll and method for making same A process for making a roll of plastic bags made from a two-ply web sealed along its sides. Perforations for the top edges of each bag are made simultaneously and separately in each of the two plys of the web forming the bag. The bottom of each bag is for... | 06/01/1993 |
| 5092533 | Method for effecting a set change in a winder A method for effecting a set change in a winder for a papermaking machine, comprises skip-slitting the paper web across the width of the web transversely to the direction of web travel in the winder. An adhesive stripe is applied to the web on either side... | 03/03/1992 |
| 4988053 | Therapeutic warming bag, an apparatus for its manufacture, and method for manufacturing a needle punched fabric of the bag A therapeutic warmer composed of a non-ventilative envelope and a film-coated bag disposed within the envelope wherein the film-coated bag includes a plurality of needle apertures disposed therein and further includes an exothermic composition and a mugwa... | 01/29/1991 |
| 4919351 | Web rewinder having improved chop-off mechanism An improvement in web converting rewinders of the type which include a perforator cylinder, and a bedroll/chop-off roll combination comprising a set of chop-off blades, some of which chop-off blades are disposed on the bed roll, and some of which are disp... | 04/24/1990 |
