4588results about "Mechanical working/deformation" patented technology

Toilet tissue having a dynamic surface comprising a surface material that overlays a textured web material such that the toilet tissue exhibits one or more novel properties and method for making same are provided.

According to some illustrative embodiments, a system and method is provided that includes, e.g., means for continuously conveying an assembly of layered sheets including a first paper sheet, at least one expanded sheet and a second paper sheet in a conveying flow between, e.g., a rotary mandrel or member at an upstream position in a direction of conveyance and a rotary die crushing and cutting tool, with said rotary mandrel or member and said rotary die crushing and cutting tool maintaining the at least one expanded sheet in an expanded state, said rotary tool having a crushing component that crushes a portion of the at least one expanded sheet such as to form a flap forming region of an envelope and a cutting component that cuts the assembly of layered sheets such as to separate individual envelope units.

A method for processing at least one blank for forming a carrier for a plurality of containers, the method includes obtaining at least one blank having a central panel with plurality of container openings and at least one container retention tab extending into respective container openings of the plurality of container openings, loading the at least one blank into a blank infeed assembly, moving the at least one blank from the infeed assembly to a blank processing assembly, the blank processing assembly including a forming belt having a plurality of openings extending at least partially therethrough for being aligned with respective container openings of the plurality of containers openings of the at least one blank, and moving the at least one blank to a product engagement portion of the blank processing assembly such that the at least one blank is positioned for engagement with a group of containers.

A medium processing apparatus includes a conveyor, a liquid applier, a crimper, a movement assembly, and circuitry. The crimper presses and deforms at least a portion of a plurality of media including a medium to which liquid is applied by the applier, to bind the media. The circuitry causes the assembly to move the applier from a standby position to a position at which the applier faces a liquid application position on the medium before the medium is conveyed to a position at which the liquid is applied; causes the applier to apply the liquid when the medium is conveyed to the position at which the applier faces the liquid application position; causes the assembly to not move the applier to the standby position until application of the liquid to the media ends; and causes the assembly to move the applier to the standby position after the application ends.

The present disclosure relates to a multi-ply tissue paper product (1), particularly a hygiene or wiping product, comprising at least three plies (2, 100, 3). The tissue paper product (1) comprises a first inner ply (100) being a creped ribbed ply and having a basis weight of 10 to 30 gsm, and a first outermost ply (2) and a second outermost ply (3) on each side of said inner ply (100), said first and second outermost plies (2, 3) being non- ribbed plies, wherein a creped ribbed ply is defined as a ply comprising creping lines extending along a first direction, and parallel ribs and valleys extending continuously along a second direction being substantially perpendicular to said first direction, said ribs and valleys providing an average core roughness Rk in the range to 300 μm, and a number of peaks being 4 to 12 per cm as measured along said first direction; and wherein a non-ribbed ply is defined as a ply displaying no parallel ribs and valleys extending continuously along any direction of the ply or displaying parallel ribs and valleys extending continuously along any direction of the ply, said ribs and valleys providing a number of peaks being less than 4 per cm. Further, the disclosure relates to a method for manufacturing such a multi-ply tissue paper product.

The utility model relates to the technical field of drying equipment, and provides a packaging box paperboard drying device which comprises a supporting frame and a sealing frame fixedly installed on the supporting frame, a plurality of conveying rollers are installed on the inner side of the supporting frame in a rotating mode, and a conveying belt is arranged outside the conveying rollers in a transmission and sleeving mode. A conveying motor is fixedly installed on one side of the supporting frame, an output shaft of the conveying motor and the conveying rollers are coaxially fixed, a drying assembly used for drying the paperboards is arranged in the sealing frame, and a ventilation assembly used for accelerating drying of the paperboards is arranged in the supporting frame. Through the arrangement of the drying assembly, the packaging box paperboard is dried, hot air generated by the drying assembly can dry the bottom of the packaging box paperboard through operation of the ventilation assembly, and compared with a traditional drying mode, the problem that the bottom of the packaging box paperboard is not prone to making contact with the hot air is solved; in addition, due to the existence of the overturning assembly, the upper and lower surfaces of the packaging box paperboard can be overturned, and the drying effect of the packaging box paperboard is further improved.

Disclosed is a coreless roll of a tissue paper product having a first end and a second end, and a web of tissue paper product being wound such as to define a central inner hole with the first end located on the outer side and the second end located at the inner hole, the product including a bonded first ply and a second ply, a grammage of the product being 35 to 55 g / m2, and having a Geometric Mean Tensile strength of at least 200 N / m, the first ply and the second ply being made of Conventional Wet Press (CWP) paper and embossed to be nested, the coreless roll having an outer diameter of 95 to 150 mm, an inner hole diameter of 20 to 50 mm, and a density of the coreless roll of 70 to 90 kg / m3, a caliper ratio of the roll of 40% to 70%.

The present invention provides an embossed multi-ply tissue product that is visually pleasing and has improved physical attributes. For example, the inventive multi-ply tissue products have reduced stiffness, such as a GM Flexural Rigidity less than about 600 mg*cm, improved absorbency, such as a Residual Water (WResidual) value less than about 0.15 g, and improved wet resiliency, such as a wet elastic strain ratio greater than about 32 percent.

Disclosed is a coreless roll of a tissue paper product having a first end and a second end, and a web of tissue paper product being wound such as to define a central inner hole with the first end located on the outer side and the second end located at the inner hole, the product including a bonded first ply and a second ply, a grammage of the product being 35 to 55 g / m2, and having a Geometric Mean Tensile strength of at least 200 N / m, the first ply and the second ply being made of Conventional Wet Press (CWP) paper and embossed to be nested, the coreless roll having an outer diameter of 95 to 150 mm, an inner hole diameter of 20 to 50 mm, and a density of the coreless roll of 70 to 90 kg / m3, a caliper ratio of the roll of 40% to 70%.

Toilet tissue having a dynamic surface and method for making same are provided.

A pallet outer packaging paper, to an outer packaging method using this pallet outer packaging paper as an outer packaging material, and to a method for producing such a pallet outer packaging paper. The pallet outer packaging paper comprises at least 70 wt. % cellulose fibres having a length-weighted average fibre length in accordance with ISO 16065-2:2014 of 1.8 mm to 2.8 mm, and has a bending stiffness in accordance with ISO 2493-1:2010, using a bend angle of 15° and a test bend length of 10 mm, of at most 35 mN in the machine direction and at most 30 mN in the transverse direction, and a bending stiffness index of at most 100 Nm6 / kg3 in the machine direction and at most 80 Nm6 / kg3 in the transverse direction, and a grammage of 50 g / m2.

Creped fibrous structures having pillows and knuckles, wherein the creped fibrous structures may exhibit improved knuckle properties, such as Knuckle Roughness Ra, Knuckle Roughness Rq, and Knuckle Creping Frequency and methods for making same are provided, and / or may comprise elongate knuckles comprising discrete pillows and / or elongate pillows between first and second elongate knuckles.

This disclosure relates to a tissue paper product, such as toilet paper or household towel. The tissue paper product comprises at least three plies including a top ply and a bottom ply, as outermost plies, and an inner ply located between the top ply and the bottom ply. A basis weight of the tissue paper product is in a range of 30 to 150, optionally 30 to 100 g / m2, or 35 to 80 g / m2, or 40 to 65 g / m2. The top ply is embossed with at least two types of embossments including first embossments with a first height and second embossments with a second height, the first height being larger than the second height, and the bottom ply is embossed. The inner ply and the top ply are bonded with the bottom ply at tips of the first embossments with an adhesive, such as a lamination glue, or the inner ply, the top ply, and the bottom ply are ply-bonded with mechanical bonding. At least one of the top ply and the bottom ply has been embossed by a heated embossing roll.

Disclosed is a coreless roll of a tissue paper product having a first end and a second end, and a web of tissue paper product being wound such as to define a central inner hole with the first end located on the outer side and the second end located at the inner hole, the product including a bonded first ply and a second ply, a grammage of the product being 35 to 55 g / m2, and having a Geometric Mean Tensile strength of at least 200 N / m, the first ply and the second ply being made of Conventional Wet Press (CWP) paper and embossed to be nested, the coreless roll having an outer diameter of 95 to 150 mm, an inner hole diameter of 20 to 50 mm, and a density of the coreless roll of 70 to 90 kg / m3, a caliper ratio of the roll of 40% to 70%.

Multi-ply tissue products, particularly tissue products prepared from two or more wet pressed tissue plies that have been recreped using a print-crepe process that deposits a latex polymer on at least one of the outer surfaces of each tissue ply. The tissue products have improved strength and softness, such as a geometric mean tensile strength (GMT) greater than about 1,400 g / 3″, a geometric mean tensile energy absorption (GM TEA) of about 20 g·cm / cm2 or greater and a TS7 value less than about 16.0. In certain instances, the tissue products also have a low degree of stiffness and a relatively smooth surface, such as a Stiffness Index less than about 8.00 and a TS750 value less than about 20.0.

A medium processing apparatus includes a liquid applier, a crimper, a stapler, and circuitry. The liquid applier applies liquid to a liquid application position of a medium. The crimper presses and deforms at least a part to which the liquid is applied by the liquid applier, to bind a plurality of media including the medium to which the liquid is applied. The stapler performs stapling with a staple on a medium bundle in which the plurality of media is bound by the crimper. The circuitry controls operations of the crimper, the liquid applier, and the stapler, and selectively switches between first binding performed by the liquid applier and the crimper and second binding performed by only the stapler, in accordance with information on the medium or a binding position at which the medium bundle is bound by the crimper.

A sheet processing apparatus includes: a center-folder to perform a center-folding process on a sheet bundle including multiple sheet materials; a back-crimp binder to: form a back portion on the sheet bundle subjected to the center-folding process; and perform a crimp-binding process on the back portion; and a controller configured to: cause the center-folder to perform the center-folding process; and cause the back-crimp binder to perform the crimp-binding process on the back portion while forming the back portion on the sheet bundle in the crimp-binding process.

Disclosed are tissue products, particularly creped, wet-pressed tissue products, having improved physical properties such as a high caliper and a low degree of stiffness. The products are manufactured by molding the nascent tissue web to the structuring belt such that the pattern disposed on the fabric is imparted to the web and can be seen by the consumer in the finished product. Preferably the molding step occurs immediately prior to creping such that the molded, nascent, web is transferred from the structuring belt to a cylindrical dryer and then subsequently removed by creping. The structuring belt imparts the tissue web with a plurality of discrete molded elements arranged to form continuous, substantially cross-machine direction (CD) oriented, line elements that not only provide the products with an aesthetically pleasing appearance but also improves certain physical properties of the finished product.

The embossed, multi-ply tissue products have consumer preferred physical properties, such as improved sheet bulk and softness, and an aesthetically pleasing appearance. The products may have a first tissue ply having a molded topographical pattern and a first embossed pattern comprising a plurality of embossed elements disposed thereon, and a second tissue ply having a molded topographical pattern and a second embossed pattern comprising a plurality of dot emboss elements disposed thereon. The multi-ply tissue products generally have improved sheet bulk, such as a sheet bulk greater than about 15 cubic centimeters per gram (cc / g), and improved softness, such as an Average TS7 less than about 12.0 and more preferably less than about 11.0, such as from about 10.0 to about 12.0. The foregoing Average TS7 values may be obtained at a product geometric mean tensile strength (GMT) from about 800 to about 1,200 g / 3″.

The utility model relates to an embossing device for processing paper products, and aims to solve the technical problems that when the existing embossing device processes the paper products, the paper products conveyed by a conveyor belt are easy to generate wrinkles, so that the embossed paper products are wrinkled, patterns are uneven, and the embossing quality of the paper products is influenced. A belt conveyor is mounted in an inner cavity of the U-shaped table, a rack is mounted at the top of the U-shaped table, a driving mechanism is mounted at the top of the rack, and an embossing mechanism is mounted on the inner side of the rack; electric telescopic rods are installed on the two sides of the top of an inner cavity of the rack correspondingly, driving motors of the two electric telescopic rods are fixedly connected with adjusting plates correspondingly, connecting blocks are fixedly connected to the two sides of one ends of the outer sides of the two adjusting plates correspondingly, and the opposite ends of the two sets of connecting blocks are rotationally connected with connecting rods through connecting shafts correspondingly. The embossing device has the advantages that the part, needing to be embossed, of the paper product is tightened, so that the paper product is prevented from wrinkling before being embossed, and the embossing quality of the paper product is improved.

The invention relates to the technical field of packaging materials, in particular to a high-strength corrugated carton based on polymer fiber material processing, and particularly relates to a corrugated carton achieving high strength and high waterproofness through polymer fiber material modification and special structural design. A polymer fiber material is soaked in a sodium hydroxide solution with a certain concentration, hydroxyl groups are introduced to the surface of the fiber, and the interface bonding force between the fiber and base materials such as starch is remarkably improved. According to detection, the bonding strength of the treated fibers and starch is improved by 30%-50%, so that the overall performance of the polymer fiber material layer is enhanced, in addition, compared with traditional corrugated waveforms, the UV composite waveforms are adopted, the compressive strength is improved by 20%-30%, the buffering performance is improved by 15%-20%, external impact force can be dispersed more effectively, and objects in the carton can be protected.

A medium processing apparatus includes a conveyor, a liquid applier, and a crimper. The conveyor conveys a medium. The liquid applier applies liquid to the medium conveyed by the conveyor. The crimper presses and deforms a medium bundle including at least one medium to which the liquid is applied by the liquid applier, to bind the medium bundle. The liquid applier selectively performs application of the liquid to all media constituting the medium bundle or application of the liquid to only some of the media constituting the medium bundle, based on a conveyance interval at which the media are conveyed by the conveyor.

Disclosed is a tissue paper product including at least three plies with a top ply and bottom ply as outermost plies, and an inner ply between the top and bottom plies, a basis weight of the tissue paper product being 30-150. The top ply being embossed with at least two types of embossments including first embossments with a first height and second embossments with a second height, the first height being larger than the second height, and the bottom ply is embossed, the inner ply and the top ply being bonded with the bottom ply at tips of the first embossments with an adhesive, such as a lamination glue, or the inner ply, the top ply, and the bottom ply are ply-bonded with mechanical bonding, at least one of the top ply and the bottom ply being embossed by a heated embossing roll.

The invention relates to the field of corrugated board production, and discloses a corrugated board production line outlet paperboard warping classification and process control method, system and equipment, and the method is used for collecting and analyzing the warping type in the paperboard production process in real time, and outputting production line control parameters according to the warping type. The method comprises the following steps: detecting a vertical curve contour image of a paperboard on line and judging the type of the paperboard; when the type of the paperboard is a non-L-shaped paperboard, calculating the warpage convexity of the paperboard on line; if the absolute value of the warpage convexity is not greater than a preset warpage threshold value, judging that the quality of the produced paperboard is qualified, and if the absolute value of the warpage convexity is greater than the preset warpage threshold value, determining and outputting the warpage type of the produced paperboard according to the value of the warpage convexity and preset range values of the warpage convexity corresponding to different warpage types; and inputting the paperboard warping type into a pre-trained neural network model to obtain production line control parameters output by the neural network model, and transmitting the production line control parameters to a production line control center to adjust and control the paperboard quality.

Disclosed are multi-ply tissue products, particularly wet pressed facial tissue products that have been recreped. For example, disclosed are tissue products prepared from wet pressed tissue webs that have been recreped using a print-crepe process that deposits a latex polymer on at least one of the outer surfaces of the tissue web. The tissue products have improved strength and softness, such as a geometric mean tensile strength (GMT) greater than about 1,400 g / 3", a geometric mean tensile energy absorption (GM TEA) of about 20 gocm / cm2 or greater and a TS7 value less than about 16.0. In certain instances, the tissue products also have a low degree of stiffness and a relatively smooth surface, such as a Stiffness Index less than about 8.00 and a TS750 value less than about 20.0.

Aspects of the present disclosure include a rigid paperboard product comprising at least one modified starch and at least one crosslinker, wherein the at least one modified starch is present in an amount ranging from 2% to 20% by weight of the paperboard product, wherein the at least one crosslinker is present in an amount ranging from 0.5% to 8% by weight based on the dry weight of the starch content in the paperboard product, and wherein the paperboard product has a rigidity value ranging from 375 to 500.

The invention discloses a moisture-proof and pressure-resistant packaging carton and a preparation method thereof, and relates to the technical field of packaging cartons, the structure of the moisture-proof and pressure-resistant packaging carton is sequentially provided with an outer lining, a corrugated core paperboard and an inner lining from top to bottom, and the outer lining, a corrugated core and the inner lining are bonded through polyvinyl alcohol; soaking the prototype paper in a carboxymethyl cellulose aqueous solution, taking out the prototype paper, soaking the prototype paper in a copper sulfate metal ion solution and an aluminum chloride metal ion solution respectively, and performing hot pressing to obtain lining prototype paper and outer lining prototype paper; the preparation method comprises the following steps: adding polyethyleneimine and methanol into deionized water, uniformly stirring, soaking the outer lining prototype paper into the deionized water, heating to 35-36 DEG C, preserving heat, taking out the outer lining prototype paper, soaking the outer lining prototype paper into the solution A, adding glutaraldehyde, reacting at 25-30 DEG C, taking out the outer lining prototype paper, carrying out vacuum drying for 30-45 minutes, coating the surface of the outer lining prototype paper with the solution B, and carrying out vacuum drying to obtain the outer lining.

The utility model relates to the technical field of paper tube processing, and discloses a paper tube gluing device which comprises a base, a concave box is installed on the upper surface of the base, an L-shaped plate is connected to the inner wall of the concave box in a sliding mode, and an adjusting mechanism for controlling the position of the L-shaped plate is installed on the side face of the concave box. According to the paper tube gluing device, a paper tube is fixed to a rotating disc through a fixing mechanism, a servo motor is started, the rotating disc is driven by a third gear and a gear ring to rotate the paper tube to the position below a gluing tube, an electric push rod is started, the electric push rod drives the gluing tube to move into the paper tube, and a driving motor and a conveying pump are started; a conveying pump conveys glue liquid to a hollow pipe and conveys the glue liquid into a gluing pipe, a driving motor drives the gluing pipe to rotate through a first gear and a second gear so that the interior of a paper tube can be glued, the paper tube can be fixed on other fixing mechanisms in the gluing process, and therefore other paper tubes can be disassembled and assembled in the gluing process; and the gluing efficiency is improved.

A multi-ply tissue paper product includes at least three plies. The tissue paper product includes a first inner ply being a creped ribbed ply and having a basis weight of 10 to 30 gsm, and a first outermost ply and a second outermost ply on each side of said inner ply, the first and second outermost plies being non-ribbed plies, wherein a creped ribbed ply is a ply including ribs and valleys providing an average core roughness Rk in the range 10 to 300 μm, and peaks being 4 to 12 per cm as measured along said first direction; and wherein a non-ribbed ply is a ply displaying no parallel ribs and valleys extending continuously along any direction of the ply or displaying parallel ribs and valleys extending continuously along any direction of the ply, the ribs and valleys providing peaks being less than 4 per cm.

The invention discloses a multifunctional coated paper production device, which comprises four unreeling mechanisms, two unreeling mechanisms are a first PET film unreeling assembly and a second PET film unreeling assembly, and the rest two unreeling mechanisms are paper unreeling assemblies; the number of the winding mechanisms is two; the four co-extrusion mechanisms are respectively a first co-extrusion assembly, a second co-extrusion assembly, a third co-extrusion assembly and a fourth co-extrusion assembly. According to the multifunctional coated paper production device, the four unwinding mechanisms, the two winding mechanisms, the two extrusion mechanisms and the two co-extrusion mechanisms are arranged, so that PE films can be conveniently coated at different positions of paper, and the PE films and the PET films are connected in a co-extrusion mode to produce different types of composite coated paper, multiple production devices are not needed, and therefore the production cost is greatly reduced, and the production efficiency is improved. And meanwhile, the production occupied space is reduced.