Abstract: In one example, a printing system includes a print engine and a print engine controller operatively connected to the print engine to print, on a single substrate web, graphics for multiple different layouts of corrugated boxes to be lined with the web and machine readable images representing corrugator control information for making the multiple different layouts.

Abstract: A plant (10) for the production of corrugated cardboard comprising: a corrugating unit (36) adapted to produce containerboard, and a double baker (60) adapted to receive the containerboard. The corrugating unit (36) is positioned in proximity to an output end (66) of the double baker (60). The plant (10) further comprises a transfer unit (72) adapted to receive the containerboard and move it. The transfer unit (72) comprising: an input end (722) for the containerboard positioned in proximity to the corrugating unit (36), and an output end (724) for the containerboard positioned in proximity to an input end (64) of the double baker (60).

Abstract: The invention relates to a method for introducing a material web into a corrugating device having a corrugating roller for generating from the material web a corrugated web. The method comprises the step of attaching at least one double-sided adhesive tape piece which has a first adhesive face and a second adhesive face that is opposite the first adhesive face to the material web by means of the first adhesive face upstream of the corrugating device of the material web, and guiding the material web through the corrugating device in such a manner that the second adhesive face adheres to the rotating corrugating roller while entraining the material web for introducing the material web.

Abstract: The invention relates to a corrugated-board machine for manufacturing corrugated board. The corrugated-board machine comprises a material-web output device for outputting a material web, an inkjet printing device disposed downstream of the material-web output device for the imprinting of at least one imprint onto the material web and an overcoating arrangement disposed downstream of the inkjet printing device for overcoating the printed material web at least in regions.

Abstract: Provided is an assembly of horizontal surfaces (1) in a plant for production of corrugated board including at least one gluing station (10) suitable to carry out union between at least two sheets (1a, 1b) of paper material; said gluing station (10) including a preheating block (30) suitable to heat said at least two sheets(1a, 1b); a union block (40) suitable to complete union of said at least two sheets (1a, 1b); and the preheating block (30) including a first actuating system (32) suitable for moving the sheets (1a, 1b) and including a first actuation belt (32a) suitable to come into contact with one of the sheets (1a, 1b) and suitable to be moved in correspondence with the preheating block (30).

Abstract: An apparatus for manufacturing an absorbent body includes: a suction member for moving a suction section along a predetermined travel path; a cover member surrounding a predetermined range of the travel path; and a supply opening through which liquid absorbent particles fall. The supply opening is provided above the travel path in a space within the cover member. Of the space within the cover member, a space located in a downstream side of a position of the supply opening in a direction along the travel path is divided into a first zone in which the liquid absorbent particle is suctioned to the suction section and a second zone in which the liquid absorbent particle is suctioned to the suction section, the second zone being adjacent to a downstream side of the first zone.

Abstract: The present invention is method for forming a sandwich structure having a pattern of particulate material enveloped between a carrier material and a cover material. The method allows accurate forming of pre-determined pattern at high production speed. Such a method is particularly useful in the manufacture of disposable absorbent articles, such as baby diapers.

Abstract: The device for joining at least two plies of paper, in particular tissue paper, including a ply-bonding unit and moistening means to moisten at least one of the two plies before joining.

Abstract: A machine for producing corrugated paper has a machine frame, a fluted roller and a glue application roller, which can be placed against the fluted roller and between the surface of which and the fluting the paper web to be provided with a corrugation and to be partially glued can be guided through. Provided between the fluted roller and the glue application roller and to the side of the fluting is at least one spacer, which maintains a safety gap with a gap width d between the surface of the glue application roller and the fluting, the gap width d being smaller than the smallest thickness of the paper web.

Abstract: A method and system for automatically changing the flute size in a corrugation process without stopping or slowing the overall corrugation process utilizing a first single-faced web having a first flute size and a second single-faced web having a second flute size. The first single-faced web is conveyed along a track into a double backer forming a first corrugated material. When a flute change sequence is initiated, the single-faced web is cut using a pressurized stream of water such that the single-faced web disengages with the double backer. Generally simultaneously, the second single-faced web is introduced into the double backer using an air jet, wherein a second corrugated material is formed.

Abstract: The disclosure provides a production method and production line for pre-printed surface paper corrugated boards, and the production method and production line provided by the invention can be used for solving the problem that the existing corrugated board production line and process cannot adapt to the production of pre-printed colorful corrugated boards. In the disclosure, because the bonding mode that surface paper is arranged on a single-face corrugated board is adopted, the direct contact between color-printed paper and a high temperature heating plate of a drying part can be avoided, thereby effectively preventing the damages on the materials, patterns, gloss oil and plastic films of the color-printing paper. The disclosed corrugated board production method and corrugated board production line can effectively adapt to the application requirements of pre-printed colorful paper on the premise of not increasing the cost.

Abstract: A composite sheet comprising an upper layer 2 and a lower layer 3 both made of a substantially inextensible sheet which are partially bonded to each other at a large number of joints 4. The upper layer 2 forms a large number of outward hollow projections 5 in the area other than the joints 4. The projections 5 and the joints 4 are arranged such that the projections and the joints alternate in one direction to make lines and that the projections in each of the lines are out of alignment with the projections in the adjacent lines.

Abstract: The present invention is method for forming a sandwich structure having a pattern of particulate material enveloped between a carrier material and a cover material. The method allows accurate forming of pre-determined pattern at high production speed. Such a method is particularly useful in the manufacture of disposable absorbent articles, such as baby diapers.

Abstract: A double facer that fabricates a corrugated fiberboard and that includes heat plate units having thin walls aims at improving the heat conductive efficiency to fiberboard sheets in order to enhance responsibility to the setting temperature and concurrently avoiding thermal deformation of the heat plates due to a difference in temperature between the top surface and the bottom surface.

Abstract: Apparatus (30) for making pre-shaped insulating sheets (10) for use in a stator or in a rotor comprising shaping elements (40-44) such to produce, starting from a continuous strip (15) made of electrically insulating material having a flat or substantially flat cross section, a strip portion having a cross section comprising a central septum (20) and two lateral portions (21-23, 21?-23?) joined to a respective end portion of the central septum (20), each of the lateral portions comprising a first section (21,21?) joined to the central septum (20), a second section (22,22?) joined and perpendicular, or essentially perpendicular, to the first section (21,21?), a third section (23, 23?) joined to the second section (22,22?) and inclined with respect to the latter towards the central septum (20).

Abstract: Disclosed are an apparatus and a method for manufacturing a heat insulator, including: a frame having a feeder provided at front side of the frame for feeding a cross-linked foam polyethylene sheet and a winder provided at rear side of the frame for winding a completed heat insulator; a cutting part provided at a leading side of the frame, a widening part provided at a rear side of the cutting part, which is for transforming the cutoff slots into cells by widening a width of the cross-linked foam polyethylene sheet formed with the cutoff slots; a cooling part provided at a rear side of the widening part, which has cooling rollers to continuously maintain a widened width of the cross-linked foam polyethylene sheet and a shape of the cells transformed from the cutoff slots; and a sheet-attaching part provided at a rear side of the cooling part.

Abstract: In a corrugating machine and a method of producing corrugated cardboard, provision is made for a marking device by means of which a color mark is applied by rubbing off a solid coloring agent, the color mark being detected by means of a detection device in order to easily and precisely mark and cut out joining points. The applied and detected color mark enables a web length of a web of single-faced corrugated cardboard in a storage device to be determined, thus allowing an electronic control device to operate a cross-cutting device in an easy and precise manner.

Abstract: A method is described for obtaining a coreless roll of web material with a first portion of web material forming an inner nucleus of the roll and a second portion of web material wound around the outside of the inner nucleus. The two portions can be separated from one another and, for that purpose, an interface or discontinuity is created in at least one turn of the web material forming the roll between the inner nucleus and the second portion of web material. This facilitates the extraction of the inner nucleus from the outer portion of the roll.

Abstract: The disclosure relates an apparatus and method for assembling at least two webs of tissue paper with or without marking of the webs. The apparatus and method utilize a multi-marrying roller configuration, which allows for assembling of the at least two webs of tissue paper by passing between the marrying roller and the second marrying roller. The apparatus and method make it possible to produce a conventional embossed product, or a smooth product without marking, having combined plies. In addition, the apparatus and method make it possible to easily move from one production mode to the other.

Abstract: A filter media including a gathered sheet of porous filter material, is provided, together with an apparatus and method for fabricating such a gathered sheet of porous filter material. An improved filter apparatus incorporating such gathered porous filter material is also provided. By gathering the porous filter material, rather than forming convolutions through corrugating or pleating, as was done in the past, a desirable convoluted shape is achieved with little or no compression of the filter media.

Abstract: An apparatus for forming a hem is provided. The apparatus has a tape station for use in application of tape to a blank. A hemmer is used for folding the blank. A driving roller is present for use in moving the blank and for use in compressing the blank and the tape to form a hem. A method of forming a hem is also provided.

Abstract: A method and apparatus for constructing a sheet of laminate material, which may be fibreboard, the method including the steps of treating a sheet of planar material with an adhesive, placing a second sheet of planar material against the first sheet such that the sheets bond together to form the sheet of laminate material, characterised by the additional step of removing adhesive from a first portion of the first sheet of planar material such that substantially less bonding occurs between the first and second sheets of planar material at the portion of planar material from which adhesive has been removed than at a portion of planar material from which adhesive has not been removed, wherein the portion of the planar material from which adhesive has been removed forms a controlled area of weakness in the laminate material. A collapsible container made from the laminate material is also claimed.

Abstract: A honeycomb containing a thermoplastic material, high modulus fiber and thermoset resin has process steps of fracturing the thermoset resin, bending, molding or forming the honeycomb in a mold or over a form, heating to allow flow of thermoplastic material and cooling of the honeycomb to retain the shape of the mold or form.

Abstract: The present invention is method for forming a sandwich structure having a pattern of particulate material enveloped between a carrier material and a cover material. The method allows accurate forming of pre-determined pattern at high production speed. Such a method is particularly useful in the manufacture of disposable absorbent articles, such as baby diapers.

Abstract: A machine is provided having a web tension nulling mechanism that is effective to cancel out web tension-effect forces exerted on machine members, such as rollers, so these forces to not substantially interfere with the position of the machine members during operation of the machine.

Abstract: An apparatus for the manufacture of corrugated board has a housing, in which the following are accommodated: a corrugating roller unit for the production of a corrugated web out of a material web, comprising corrugating rollers adjacent to each other, a gluing device for applying glue to the corrugated web and a pressing device for pressing the corrugated web, to which glue has been applied, to a liner. Outside the housing, a corrugating roller unit loader is arranged with a plurality of corrugating roller unit holders. These each serve to accommodate one corrugating roller unit. The corrugating roller unit loader is displaceable with respect to the housing and guided between loader positions such that in each of the loader positions, a loader guiding portion of one of the corrugating roller unit holders aligns with a housing guiding portion to move a corrugating roller unit, which is accommodated in the corrugating roller unit holder, between a loader holding position and a housing operating position.

Abstract: The object of the invention is a method for manufacturing cellular board (1), a cellular board, a method for producing cellular board element of steel plate strip, and a production line. A cellular board (1) according to the invention comprises a number of originally separate profiles (4, 6) of plate-like material, which have been fastened to each other. A single profile is intended to form in a finished cellular board a substantially planar first surface projection (6, 6?), a substantially planar second surface projection (6?, 6??), a core (4, 4?), which is arranged to interconnect the first and second surface projections.

Abstract: A bonding mechanism of corrugated paper making machine includes an endless loop-like band and an adjusting mechanism for adjusting position and configuration of the band with respect to a surface sheet of the corrugated paper pasted on a core sheet. The adjustment performed by the adjusting mechanism changes an area of surface contact between the band and the surface sheet of the corrugated paper and thus changing a pressurizing area between the surface sheet and the core sheet. The surface contact between the band and the surface sheet enhances bonding operation of the surface sheet to the core sheet and increases the time when a pressure is applied in the pressurizing area to bond the surface sheet and the core sheet together. The surface contact eliminates the potential damage to the surface sheet caused by application of concentrated force at a single contact point on the surface sheet and increases the manufacturing efficiency of the corrugated paper.

Abstract: A contact-bonding film insertion device included in a contact-bonded paper manufacturing apparatus which produces releasable and expandable contact-bonded paper such as postcards (Q) by inserting a contact-bonding film (F) carried on a vertically movable support plate (51) between opposed paper pieces (Pa, Pb) of folded cut paper (P) by a paper pushing device (60), the cut paper (P) having been transferred by a paper transfer device (20) and folded by a paper folding device (30), and subsequently by extracting the support plate (51) from the paper piece (Pa, Pb) by a support plate extracting device (55) to supply the paper (P) into which only the contact-bonding film F is inserted to a paper contact-bonding device (70) and paper cutting device (80), a slope (51y) which is downward-inclined toward its tip to form substantially an acute angle at the tip is provided on a periphery (51x) of the support plate (51) included in the contact-bonding film insertion device, the periphery (51x) which includes the slope (

Abstract: A corrugator glue machine is provided having a web tension nulling mechanism that is effective to cancel out web tension-effect forces exerted on machine members, such as rollers, so these forces to not substantially interfere with the application of glue to the exposed flute crests of a single-faced corrugated web in the glue machine.

Abstract: A method is disclosed for producing a multilayer paperboard product, as well as an assembly suited for implementing the method and a paperboard manufactured according to the method, whereby the paperboard is made from at least two, advantageously three layers (4, 5, 6) bonded to each other by gluing, and the material of the middle layer (5) is subjected to mechanical working in a dry state (8) so as to deform the material prior to gluing through pressing thereon desired pattern that is raised from the surface of the material (5). The layers (4, 5, 6) are bonded to each other in a single step (7). The method is capable of providing a strong paperboard that uses less fiber than prior-art paperboards of equal thickness and strength.

Abstract: This invention relates to an improvement in an apparatus for dispensing a ribbon between layers of web material and more particularly, to an automated and remote positioning system of ribbon dispensers which are precisely positioned with respect to the web material by a controlling and monitoring system and are physically easily accessible for maintenance by an operator. The automated and remote positioning system of ribbon dispensers includes locking means interacting with either the apparatus or with a traversing mechanism such as a lead screw to move the ribbon dispensers.

Abstract: Method and device for the manufacture of corrugated material, at least one first plane sheet (19; 20) and one second sheet (16) of plastic material arranged in wave shape being brought together for adhesion to each other and the wave-shaped sheet (16) running over core bars (17, 18). A portion of at least one sheet is heated at abutment against the core bars (17, 18) and the first sheet (19; 20) is brought to abutment against the second sheet (16) for welding the sheets (16; 19, 20) together. First members are arranged for feeding at least the first plane sheet and the second sheet of plastic material running over core bars (17, 18) and second members are arranged for bringing together and adhering the sheets. Heating members (28) are arranged for transferring heat to a portion of at least one sheet (16; 19, 20) abutting against the core bars and including plastic material.

Abstract: A corrugated cardboard manufacturing machine (10) wherein at least one continuous supporting belt (11) for supporting/conveying a sheet of cardboard is moved along a predetermined path by actuating means (13); and where the supporting belt (11) is defined by a mat of multispiral fabric (1) preferably made of synthetic polymer fibers.

Abstract: A device for applying a spot embossing pattern to a web of multi-ply tissue paper being processed in a paper converting machine comprises a marrying roll and a spot embossing unit cooperating and being positioned against the marrying roll. The spot embossing unit comprises a spot embossing roll with a raised embossing pattern on its circumferential surface. The at least two plies of tissue web are combined with a marrying roll and pass between the marrying roll and the spot embossing unit.

Abstract: A double facer for use in a corrugated fiberboard sheet manufacturing system wherein a moisture content of a double faced corrugated fiberboard sheet is set at an optimum value at all times for stably producing the double faced corrugated fiberboard sheet with less bonding failure and less warp. The double facer comprises moisture content detecting means for detecting a moisture content of the double faced corrugated fiberboard sheet after passed through the heating means or for detecting a parameter correlating with the moisture content, and a control means for controlling a heat reception quantity of the double faced corrugated fiberboard sheet on the basis of a detection result from the moisture content detecting means so that the moisture content of the double faced corrugated fiberboard sheet approaches a predetermined optimum moisture content.

Abstract: 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; 101, 103) provided with respective points (1P, 3P; 101P, 103P) on their cylindrical surface.

Abstract: An adhesive applicator unit for a web of corrugated board comprises a frame which houses an adhesive applicator roll, and an adhesive pre-metering roll which is disposed underneath the applicator roll, and an adhesive re-metering roll which is disposed by the side of the applicator roll, each of which is rotatably drivably mounted. Formed between the adhesive pre-metering roll and the adhesive applicator roll is an adhesive pre-metering nip where pre-metering of the adhesive takes place. Between the adhesive applicator roll and the adhesive re-metering roll, provision is made for an adhesive re-metering nip where final re-metering and calibration of the adhesive film takes place.

Abstract: Method for manufacturing corrugated board or the like, whereby different material strips (3-6) are fastened together by means of a bonding agent, whereby one or several material strips (3-6) are guided along at least one press-on device (15-16), where they are guided over one or several elements (10-14), in particular supporting elements, and are pressed against them by means of a series of movable press-on parts (19), characterized in that for pressing on these press-on parts (19), use is made of magnetic forces.

Abstract: A machine for manufacturing corrugated board that includes a row of pressure applicators aligned substantially transverse to the direction of machine flow and configured to press a web of corrugated board against a heated platform. To prevent the pressure applicators from tilting when incompletely overlying the web of corrugated board, the machine includes a stabilizer configured to prevent one or more of the pressure applicators from tilting. The stabilizer may include support plates connected to the pressure applicators and a stabilizer strap connecting two of the support plates to prevent the pressure applicator from tilting. Alternatively, the stabilizer may include support plates connected to the pressure applicators and one or more alignment members to prevent the pressure applicator from tilting. The alignment members may be alignment blocks or rollers.

Abstract: An apparatus for manufacturing cellular laminate structural panels includes one or more supply stations of a flexible strip material including folding rollers for sequentially folding the strip material into cellular structures and feeding the cellular structures into a conveyor where the cellular structures are held in compression. The apparatus further includes a laminating station where the folded cellular structures are laminated to an upper and/or lower sheet material to which lines of a bonding medium have been applied prior to engagement with the cellular structures. The folded cellular structures are heated before engaging the sheet material so as to enhance the bonding of the sheet material to the cellular structures and subsequent to bonding, the laminate is passed through a cooling station to set the bonding medium.

Abstract: The roll forming machine comprise a series of rollers 14, 20, 28 and 36 for shaping a fabric 13 such as a fabric impregnated with a curable matrix. A feed roller 36 is provided for feeding a length of material 37 such as a tow of fibres onto the fabric during or subsequent to the shaping process. The roll forming process is particularly useful in the manufacture of blade stiffeners for an aircraft wing.

Abstract: In one embodiment, the device comprises: a counter-acting cylinder (1) provided with a plurality of points (1P) and interacting with an adhesive dispenser (7), a pressure roller (3) and a laminating roller (5); the points on the counter-acting cylinder have a density and dimensions such that the technical and functional and/or aesthetic characteristics of the web material are not appreciably altered, and such that the two layers (V1, V2) are joined by means of the adhesive applied by said dispensing roller at the positions of the points.

Abstract: The embossing device comprises in combination: a first embossing unit (1) with a first embossing cylinder (3) provided with a first set of points (3P) and interacting with a first pressure cylinder (5) for forming, on a first ply (V1), a first set of protuberances (V1p) having small sizes and a high density; a second embossing unit (7) with a second embossing cylinder (9) provided with a second set of points (9P) and interacting with a second pressure cylinder (11) and a laminating cylinder (13), for forming, on a second ply (V2), a second set of protuberances (V2p) having larger sizes and a lower density than the protuberances of the first set; an adhesive dispenser (15) for applying an adhesive to one of said plies before lamination.

Abstract: A film sheet which has a polymer layer formed of a coating solution is drawn from a balk roll and transported toward a rubbing apparatus. Thereby, first and second blowers sequentially disposed respectively apply to the polymer layer an air of temperature 45±2° C. and humidity 50%-60%, and an air of temperature 25±1° C. and humidity 30%-35%. Thus, damages which occurred in transporting and rolling the film sheet are removed. Thereafter, a rubbing action is performed to the film sheet such that the polymer layer has alignment. Then a liquid crystal layer is formed on the polymer layer, to obtain an optical compensation film.

Abstract: A load-applying device used in a double facer that manufactures a corrugated board, the load-applying device comprising load bodies that are caused to ride above a corrugated board sheet only by the weight of weight blocks are disposed in a sheet conveying direction and in a direction at right angles of such sheet conveying direction; thus applying a load to the corrugated board sheet and bonding the corrugated board sheet without causing crushing of the corrugated board sheet or faulty bonding.

Abstract: A corrugator belt for a corrugator machine has a base joined into endless from by means of a clipper seam. The base has a first end and a second end, and a first side and a second side. A strip of compressible material wraps around each of the first and second ends from the first side to the second side, and the clipper hooks for the clipper seam are installed over the strips at each end. The compressible material of the strips protrudes between adjacent clipper hooks to prevent corrugated paper board being manufactured using the corrugator belt from firmly contacting the clipper hooks and being marked and otherwise damaged by them.

Abstract: A low friction machine for manufacturing corrugated board is described. The machine effectively extends the life expectancy of critical machine components such as the feet used in pressure applicators as well as a conveyor belt by reducing friction. The machine includes a foot operative for applying pressure to the substrate. The foot includes a conduit having a first end and a second end. An actuator attached to the foot and moves the foot between a raised position and a lowered position. The lowered position is proximate the substrate. An air supply connected to the first end of the conduit and supplies air to the foot. A check valve coupled to the second end of the conduit and regulates airflow in the foot. The check valve is opened when the foot is in the lowered position and closed when the foot is in the raised position.

Abstract: A corrugator single facer of the type utilizing a large diameter bonding and corrugating roll and a small diameter corrugating roll is driven without direct drive applied to either corrugating roll. Instead, the pressure belt arrangement which supports the lower corrugating roll to provide the nipping force includes a series of driven supporting pressure belts that are loaded against the lower corrugating roll and which transmit rotational movement thereto and through the nip to the large diameter bonding roll.

Abstract: The invention is relative to a method of producing corrugated cardboard in which a corrugated [fluting] web [medium] (6b) is laminated onto a covering web (6c), gas is blown onto a longitudinal running side of a corrugated cardboard web and a separating of the corrugated web (6b) from the covering web (6c) in non-adhered areas of the corrugated cardboard web is detected.