Abstract: The object of the present invention is to provide an industrial fabric used for forming and pressing building material which is capable of exhibiting a good water suction property, while at the same time of preventing spots from being generated and bristles from being fallen out even if it is repeatedly used for forming and pressing building material and a strong washing shower is applied thereto.

Abstract: A stretching apparatus for thermoplastic synthetic resin improved so as to ensure that a web can be easily stretched over its entire width. The stretching apparatus 2 for a thermoplastic synthetic resin web 1 comprises a plurality of first stretching members L arranged in a circumferential direction on a peripheral surface of a drum 6 rotating in a machine direction M. The drum 6 is provided around its rotating shaft 8 with rotatable members 7 adapted to rotate in synchronization with the drum 6 in the direction in which the drum 6 rotates. The rotatable members 7 are respectively provided with a plurality of second stretching members U operatively associated with the first stretching members U.

Abstract: A system for moulding three-dimensional products from a mass of one or more food starting materials which are suitable for consumption, in particular human consumption, which system comprises: -a production device having: -a frame, -a mould member provided with at least one mould cavity, the frame supporting the mould member, -mass feed means for feeding the mass to the one or more mould cavities of the mould member, the system furthermore comprising at least one cleaning device for cleaning one or more parts of the production device which come into contact with the mass. The mould member is preferably removable from the frame. Furthermore, the system preferably comprises a storage device for storing a plurality of mould members. It is preferable for each removable mould member to be provided with an identification, the system comprising recognition means for recognizing the identification of a mould member.

Abstract: A roller nanoimprint apparatus is disclosed which is capable of preventing a workpiece film with nanostructures having been transferred from the mold roller from being uneven in thickness and allowing easy replacement of the mold roller. At least one embodiment of the present invention is directed to a roller nanoimprint apparatus including a mold roller and continuously transferring nanosized protrusions to a surface of a workpiece film by rotating the mold roller, wherein the mold roller is a cylindrical body having an outer circumference surface with nanosized recesses formed thereon, the roller nanoimprint apparatus further includes a fluid container having an elastic film inflatable by injecting fluid into the container, the fluid container being arranged in a region defined by an inner circumference surface of the mold roller, the mold roller is mounted or demounted when the elastic film is shrunken, and the mold roller is supported from the inside when the elastic film is inflated.

Abstract: A roller extruder for manufacturing Fresnel lens angular segments from raw plastic, the roller extruder having a blank roller and a die roller positioned a desired roller clearance from the blank roller, the die roller having two peripheral lens dies with an angular displacement between the lens dies increasing linearly from a die junction at the inside roller edge to approximately three hundred sixty degrees at the outside roller edge, and the die roller having peripheral Fresnel facet dies.

Abstract: A roller extruder for manufacturing Fresnel lens angular segments from raw sheet plastic, the roller extruder having a blank roller and a die roller positioned a desired roller clearance from the blank roller, the die roller having two peripheral lens dies with an angular displacement between the lens dies increasing linearly from a die junction at the inside roller edge to approximately one hundred eighty degrees at the outside roller edge, and the die roller having peripheral Fresnel facet dies.

Abstract: A roller extruder for manufacturing Fresnel lens angular segments from raw plastic, the roller extruder having a blank roller and a die roller positioned a desired roller clearance from the blank roller, the die roller having two peripheral lens dies with an angular displacement between the lens dies increasing linearly from a die junction at the inside roller edge to approximately one hundred eighty degrees at the outside roller edge, and the die roller having peripheral Fresnel facet dies.

Abstract: The invention relates to molding systems and related methods. In one aspect of the invention, a molding apparatus includes a first cylindrical roll that is rotatably coupled to a frame and an adjacent pressure device, the frame is configured so that a substrate can pass through a nip formed between the first cylindrical roll and the pressure device while a portion of the substrate extends laterally beyond at least the frame and the first cylindrical roll.

Abstract: An apparatus for manufacturing an optical element includes: a flexible stamper having a transfer portion transferring a predetermined shape and having changeable curvature; a stamper holding mechanism holding the stamper; an element holding mechanism holding an optical element having a convex or concave curved surface, the curved surface serving as a transferred surface to which the shape of the transfer portion of the stamper is transferred; a curvature changing mechanism changing the curvature of the stamper in accordance with curvature of the transferred surface of the optical element; and a moving mechanism moving at least one of the stamper held by the stamper holding mechanism and the optical element held by the element holding mechanism in a direction in which the transfer portion of the stamper moves away from or closer to the transferred surface of the optical element.

Abstract: A roller type stamper includes a roller; a stamper film including a first surface having a pattern, and a second surface opposite the first surface and connected to an outer circumferential surface of the roller at least one connecting portion; and a planarizing portion for filling a groove approximate the at least one connecting portion.

Abstract: An embossing roll for producing fibrous products, has a structurized embossing surface suitable to run against an anvil roll. The structurized embossing surface includes male protrusions or female depressions starting from a base circumferential surface of the roll. The embossing pattern is characterized by the following features: the base areas of selected male protrusions or female depressions in the base circumferential surface are different; the heights or depths of selected male protrusions or selected female depressions in a radial direction of the roll and starting from the base circumferential surface are different; and the angles between sidewall sections and the adjacent base circumferential surface of selected male protrusions and/or female depressions are different.

Abstract: A system for flexing a web is disclosed. The web passes over two co-rotating members, such as rollers or belts, which are separated by a small adjustable gap. The web travels around the first rotating member, is peeled off in the vicinity of the gap, bent back on itself in a small radius and reattached on the second co-rotating member. The location of the small radius is fixed with a closed loop control system sensing the radius location and controlling the relative velocity of the two members. Strain in the web is adjusted with the size of the small radius, which is controlled by the adjustable gap and radius location.

Abstract: A device for forming optical lenses includes a base, a driving mechanism mounted on the base, a controller connected to the driving mechanism and a roll forming die. The controller is configured for controlling the driving mechanism. The roll forming die includes a roller, a number of mold cores attached to the roller, and a molding material container disposed on the base and spaced with the roller. The roller is mechanically coupled to the driving mechanism such that the roller can be driven to rotate by the driving mechanism, the roller, the mold cores and the molding material container are arranged to cooperatively form workpieces. A number of mounting holes are defined in the roller; each of the mold cores is mounted in a corresponding mounting hole. The device for forming optical lenses can reduce internal stress of produced optical lenses.

Abstract: Introduction guides 12 are provided above and below a sheet-introduction opening portion of a pressure-reduced chamber 10, and heating means 17 is provided between the introduction guides. Each resin sheet 3 is attracted and attached respectively to the circumferential surface of a corresponding emboss roller 11 by reducing pressure. Pins 112 of the emboss roller 11 are truncated cone-shaped. The ratio of the total area of the lower bases of the pins 112 to the area of the circumferential surface of the emboss roller is 0.5 or more. The rising angle ? of the pin side face, in the vertical plane including the central axis of the pins 112, is in the range from 50 degrees to 70 degrees. Furthermore, a multilayered hollow structure plate 140 is formed by attaching non-air-permeable sheets 130 onto both the front and back of a core member obtained by fusing together hollow protrusions 112 in two thermoplastic resin sheets.

Abstract: A stretcher for substantially uniaxially orienting a film includes a plurality of gripping members to hold opposing edge portions of the film, paths along which the gripping members travel to stretch the film in a stretching region, and a drive mechanism to convey the film and gripping members along a machine direction. At least a portion of the paths in the stretching region define diverging, curvilinear courses disposed in-plane. The paths are configured such that during the stretching an extent of uniaxial character, U, is between zero and unity and a minimum value of an extent of uniaxial character, U, is at least 0.70 over a final portion of the stretching after achieving a TDDR of 2.5. U is defined as U=(1/MDDR?1)/(TDDR1/2?1), wherein TDDR is greater than 4 at an end of the stretching region.

Abstract: A medical device crimping system comprises a crimper and a plurality of protective strips. The crimper defines a crimping iris, which has an open state and a closed state. In the open state the cross-sectional area of the crimping iris is greater than in the closed state. The plurality of protective strips extend longitudinally through the crimping iris. Each of the strips is radially offset from one another. The strips protect the stent from direct contact with the crimping blades of the crimper.

Abstract: Web with stems constituted by a base strip and at least one stem projecting from the strip and forming part thereof, in particular being made of the same material as the strip, the at least one stem having a straight axis and a cross-section perpendicular to the straight axis which is constant or decreases from the base to the tip of the stem, characterised in that the at least one stem has a height measured along its axis and a width corresponding to its largest dimension measured parallel to the plane of the strip, the width being between 0.05 mm and 0.250 mm, and the ratio of the height of the stem to its width is at least greater than 2, preferably greater than or equal to 3.

Abstract: An apparatus for and a method of feeding powders to a subsequent processing step. In particular, the apparatus includes a first hopper, a first metering brush feed, an intermediate chamber, a second distribution brush, a level sensor, and a supply hopper to deliver powder to a pair of rollers. In one embodiment, the hopper is fitted to the roller diameter to produce a uniform, ribbon or free-standing sheets suitable for air-breathing battery and fuel cell electrodes.

Abstract: A method for treating the surface of a polymerio substrate, including the following steps: providing a first polymeric substrate; contracting at least one part of one face of the first substrate with some liquid solvent system, the liquid solvent system containing at least a first volatile compound and at least a second compound having a low molecular weight and able to swell and/or soften the polymeric material forming the face; letting at least the volatile compound to evaporate from the face of the first substrate and; contracting the so-treated face of first substrate with a third material.

Abstract: A nonwoven production machine includes a spun-bond tower for extruding filaments and associated apparatus for forming the filaments into a web that is consolidated by water jets, a web that is calendered and then softened by water jets, or a web that is only calendered.

Abstract: A surface for an article has an artificially producible base structure (10). The structure (12) has or develops a capillary effect at which the quotient from capillary work (K) and adhesion work (A) is larger 1. The capillary structures and their capillaries have a negative capillary rise such that liquid is forced from the capillaries, allowing for a self-cleaning effect.

Abstract: A retroreflective sheeting (10) comprising a cube layer (20) having a front light-receiving surface (30) and a rear retroreflecting surface (32), and a metallic layer (22) covering the rear retroreflecting surface (32). The rear surface (32) comprises an array of retroreflective elements (34) and diffusing patches (36) within such array (without retroreflective elements (34)). The metallic layer (22) covers the retroreflective elements (34) and the diffusing patches (36), whereby diffusing patches (36) scatter incoming light increasing daytime brightness to a desired level.

Abstract: There is provided a fine pattern transfer, belt-shaped mold, with which a fine structure having a high aspect ratio can be formed rapidly and stably using nanoimprinting, and a fine pattern transfer system (a nanoimprint system) that employs this mold. According to the present invention, a nanoimprint mold includes: a belt-shaped support member; a plurality of stampers, for each of which a fine convex-and-concave pattern, to be transferred, is formed on one surface; and an adhesive member, to which the belt-shaped support member and the stampers are to be securely adhered, wherein the adhesive member includes a porous member and adhesive layers, which are deposited on either face of the porous member, for impregnating one part of the porous member, and wherein, for the porous member, a porous area that is not impregnated with the adhesive layers, is provided and positioned so as to sandwich the porous member between portions impregnated with the adhesive layers.

Abstract: Pre-stretched films may be used to increase the rate at which loads can be wrapped and to minimize the exertion required when using traditional handheld film. However, the edges of pre-stretched films are easily damaged, which may result in tearing or failure of the film during use. The present disclosure describes devices, systems, and methods for folding the edges of the film, resulting in a film that is less susceptible to damage and easier to use.

Abstract: A system for producing a strip of dough from a strip of raw dough has a bottom pressing device and an upper pressing device with an interposed processing gap for the strip of dough. The pressing devices each have a plurality of planetary rollers that are rotatably driven about their longitudinal axes in each case. In the circumferential direction the planetary rollers are equidistantly distributed about a common central primary axis that extends parallel to the planetary longitudinal axes. The planetary rollers are jointly driveable so as to rotate about the primary axes. Each planetary roller has a middle part coming into contact with the strip of dough, and removably connected to the ends thereof and integral in rotation therewith shaft stubs. The latter are axially and radially supported on frontal head plates of the pressing devices. The dough-strip production system is easy to clean.

Abstract: There is provided a tool roll with a cylindrical base and a first ribbon having an inner face, an outer face, and first and second major sides located therebetween. The outer face of the first ribbon includes a plurality of depressions or holes formed therein and the first ribbon is wound in helical coils around the base roll such that the inner face is proximate the base roll. The plurality of depressions or holes in the outer face of the first ribbon form a plurality of discrete mold cavities with each of the discrete mold cavities including a mold opening at the outer face of the first ribbon.

Abstract: The invention relates to fastener molding. In one aspect, a molding apparatus includes a cylindrical member defining a void extending radially inward from a peripheral surface of the member. The molding apparatus also includes an insert member configured to be disposed within the void.

Abstract: A crosslaminate is formed from two oriented plies of thermoplastic polymer material, arranged so that their orientation directions cross one another, the plies being heat sealed together. Each ply is semi-fibrillated, that is consist of linear thin regions of biaxially oriented material and thicker linear bosses between the thinner regions. The webs are sealed primarily through bonds formed at the intersection of the bosses (thicker regions). The array of bosses has a division less than 2 mm. The laminate has improved aesthetic and strength properties. A method for forming the crosslaminate involves segmental stretching of the material to form the thinner regions, and apparatus comprising intermeshing grooved stretching rollers having sharp-edged crests is described.

Abstract: The invention relates to apparatus for filling a cavity during production of a pharmaceutical dosage form. The apparatus comprises a cavity open at an upper surface and closed at a lower surface. The lower surface is defined by an initial layer of powder. A powder source and a fluid pump are also provided. The fluid pump is arranged to draw gas away from the cavity such that the gas pressure within the cavity is reduced below the ambient gas pressure before the cavity is filled to a predetermined fill level with powder from the powder source.

Abstract: A process and apparatus for producing a paper product, in which paper (M) in a particular form, and mixed with water, is subjected to pressure to form a compacted mass which involves, or includes, depositing the mix onto a first conveyor belt (10) and then progressively forming the conveyor belt into an upwardly open U-shape configuration and compressing the mix by means of a second conveyor belt (20) guided to progressively enter the first conveyor belt and progressively compact the mix.

Abstract: The present invention relates to a method of forming a nanopattern, and, more particularly, to a method of continuously forming a nanopattern in a large area and a method of forming a nanopattern on a substrate having a roll shape, and a substrate having a pattern formed using the method. A method of relatively moving a specimen having a large area and a light source of interfering light and a method of performing exposure through the relative axial movement of the light source of interfering light and the substrate having a roll shape while the substrate having a roll shape rotates are used to avoid the problems occurring in the related art, such as a large space required for the equipment during the formation of nanopatterns, a limited output of a laser, and a limited degree of freedom in patterns.

Abstract: It is an object of the present invention to provide a dough processing apparatus capable of not only stably thinning and shaping dough, such as a pizza dough, and so forth, into a thin sheet-like shape, but also coping with dough in a wide variety of shapes with ease. A rounded dough f obtained by portioning out dough to a predetermined quantity is transferred toward under a first beating mechanism, and a second beating mechanism by a belt conveyor. The first beating mechanism, and the second beating mechanism make the vertical movement, alternately, whereupon the dough f is pressed under pressure to be thereby thinned. The dough f after thinned is then transferred by the belt conveyor to be delivered to a dough-shaping apparatus. The dough f is transferred by a belt conveyor to be surrounded by a horizontal die. The dough f as surrounded by the horizontal die is pushed down from above by a rotator provided with a plurality of push-rollers.

Abstract: Disclosed is a method for fabricating a fixed abrasive pad in use of a chemical mechanical polishing process. The method includes: forming one or more etching molds providing a plurality of different real contact areas; attaching the etching mold(s) to a roller or press; and forming a fixed abrasive pad using the roller or press, The fixed abrasive pad has a plurality of polishing portions, each having a different real contact area. Especially, the fixed abrasive pad can comprise a low-density polishing portion having a real contact area less than 20% and a high-density polishing portion having a real contact area of 20%˜50%.

Abstract: An embossed release sheet includes a support sheet, an embossed layer which is arranged on the support sheet and contains a resin that is embossed and cured by ionizing radiation or ultraviolet radiation, and a release layer which is arranged on the surface of the embossed layer and contains addition-polymerized silicone.

Abstract: One method for making a laminate material comprising a first surface layer comprising resorcinol arylate polyester chain members and a second surface layer suitable for bonding to a substrate, comprises co-extruding a polymeric first surface layer material and a polymeric second surface layer material through a die and into the first nip of a calender roll stack comprising a first surface roll and a second surface roll that define the first nip, to form the laminate material. A nip load in the first nip of greater than or equal to about 400 N/cm can be applied to the laminate, and the laminate material can be collected from the roll stack. The first roll and the second roll can each have a surface smoothness of less than or equal to about 5 micrometers and temperatures of about 40° C. to about 150° C.

Abstract: The invention relates to molding systems and related methods. In one aspect of the invention, a molding apparatus includes a first cylindrical roll that is rotatably coupled to a frame arid an adjacent pressure device, the frame is configured so that a substrate can pass through a nip formed between the first cylindrical roll and the pressure device while a portion of the substrate extends laterally beyond at least the frame and the first cylindrical roll.

Abstract: The invention is a process and apparatus for producing a cross-linked, tubular film or “tape” that uses a motor driven nip roll assembly and a product driven idler roll to pump gases contained within the film in a desired direction. The process eliminates the need to create slits to vent gases that are trapped within the film. The motor driven roll comprises a driven nip roll and a driven peristaltic roll that cooperate to drive the film forward and nip the film. The driven peristaltic roll includes a pumping section that comprises a plurality of pumping rollers that pump gases contained within the film in a direction that is the reverse direction of film travel. The product driven roll comprises a spool roller and a plurality of pumping rollers that are circumferentially spaced around the spool roller. The pumping rollers trap and pump gases contained in the film in the reverse direction of film travel.

Abstract: The invention relates to an oven for drawing fibers at elevated temperature, which oven is on two sides opposite one another provided with guide rolls dictating a zigzag up-and-down drawing trajectory for the fiber in the oven. In the oven according to the invention the drawing trajectory is at least 20 meters long and the rolls are driven. The invention also relates to a process for drawing fibers using the oven according to the invention, in particular to a process for producing highly oriented polyethylene fibers.

Abstract: A plastic sheet having a number of recessed and protruded parts useful as a protective sheet in moving and construction, and for cushion packaging and thermal insulation is disclosed. Also disclosed is a two-layered or three-layered double wall sheet, which is produced by adhering one or two flat plastic sheets on the above plastic sheet. The double wall sheet has high rigidity against bending and improved warps when compared with the conventional plastic bubble boards, and is useful as the material for various panels and packaging containers. The plastic sheet is produced by vacuum forming to form plural protruded, truncated cone-shaped parts and recessed, ring-shaped parts surrounding and continuing from the protruding parts. The double wall sheet is produced by adhering a back sheet and/or liner sheet to the plastic sheet.

Abstract: Convertible embossing device comprising a structure (1) with two fixed sides (10) and two mobile sides (11) with respective external faces (EF, EM) and internal faces (IF, IM) and provided with, in correspondence of the respective internal faces (IF, IM), two upper recesses (12, 13) and two lower recesses (12?, 13?) with a circle-arc profile intended to support the end flanges (20, 30) of the two embossing rolls (2, 3) orthogonal to the sides (10, 11) of the same structure (1), wherein the mobile sides (11) are joined to the fixed sides (10) and the respective upper and lower recesses (12, 13, 12?, 13?) define, by cooperating with one another, two pairs of circular seats for the flanges (20, 30) of the rolls (2, 3), and in that, in a second operating position, the mobile sides (11) are distanced from the fixed sides (10) and the upper recesses (12, 13) of the sides (10) and (11) define, each one by cooperating with corresponding semi-circular closure flanges (15, 16), two pairs of circular seats for the flang

Abstract: The disclosure is directed to methods, systems, and apparatus for obtaining flame-perforated films which reduce or eliminate skewing of perforations in such films caused by thermal creep, whereby the film has perforations arranged to provide controlled tear characteristics, especially in both the lengthwise or machine direction (MD), and the crosswise or transverse direction (TD).

Abstract: The invention relates to an apparatus and method of making a solid film. Viscous material (163) is input into a nip between a patterned roller (165) and a belt (167). The nip between the patterned roller (165) and belt (167) is facilitated by a compliant roller (169). Accordingly, a film may be produced that has discrete optical elements and a smooth backside.

Abstract: Disclosed is a shape forming device for use with dies to provide cut, punched and embossed objects made from a variety of media. The shape forming device includes a housing that contains at least one pair of rollers oriented substantially parallel to one another, a power supply, electrically connected to the pair of rollers to drive their rotation so as to permit the feeding of a die between the rollers.

Abstract: A briquetting die set comprises first and second mating cylindrical dies. The first die has a plurality of adjacent recesses surrounded by a wall having an upper rim. At least a portion of the upper rim of each recess is common to an adjacent recess and has a relatively small radius of curvature. The second mating die has mirror image recesses thereon. When the first and second dies are brought into mating relationship, the upper rims of the first and second plurality of recesses mate with each other in substantially line contact to form a briquetting cavity.

Abstract: A roll to roll microreplication apparatus is described. This apparatus forms a microreplicated article including a web having first and second opposed surfaces. The apparatus includes a first patterned roll, first nip roll and first coating die; the first coating die is disposed adjacent the web substrate first side and the web substrate is disposed between the first patterned roll and first nip roll. The first nip roll touches the web substrate second side and the first patterned roll touches the web substrate first side. The apparatus includes, a second patterned roll, second nip roll and second coating die, the second coating die is disposed adjacent the web substrate second side and the web substrate is disposed between the second patterned roll and second nip roll. The second nip roll touches the web substrate first side and the second patterned roll touches the web substrate second side.

Abstract: A method and apparatus for a calendering system is provided to allow for fine gauge adjustment of the product. The calender system has a first and second roller each having a first and second end mounted in opposed end supports. The end supports each have an inlet and an outlet in fluid communication with one or more internal passages, wherein a heat transfer medium may be circulated through the one or more internal passages. The heat transfer medium may either heat or cool the internal passages of the end supports, resulting in the respective increase or decrease in the gauge of the product.

Abstract: A system for producing a strip of dough from a strip of raw dough has a bottom pressing device and an upper pressing device with an interposed processing gap for the strip of dough. The pressing devices each have a plurality of planetary rollers that are rotatably driven about their longitudinal axes in each case. In the circumferential direction the planetary rollers are equidistantly distributed about a common central primary axis that extends parallel to the planetary longitudinal axes. The planetary rollers are jointly driveable so as to rotate about the primary axes. Each planetary roller has a middle part coming into contact with the strip of dough, and removably connected to the ends thereof and integral in rotation therewith shaft stubs. The latter are axially and radially supported on frontal head plates of the pressing devices. The dough-strip production system is easy to clean.

Abstract: Apparatus for the forming of a strip, formable at increased temperature, in particular of a strip consisting of thermoplastic, in a continuous run on the surface of a rotating drum which is to be heated and/or to be cooled in predetermined stationary regions. In order to reduce the energy losses due to the heating and cooling alternation, the thin-walled drum is mounted on a carrier body which can be heated or cooled in the respective regions and is heat-exchangeable with the drum surface at least in these regions.

Abstract: A system for flexing a web is disclosed. The web passes over two co-rotating members, such as rollers or belts, which are separated by a small adjustable gap. The web travels around the first rotating member, is peeled off in the vicinity of the gap, bent back on itself in a small radius and reattached on the second co-rotating member. The location of the small radius is fixed with a closed loop control system sensing the radius location and controlling the relative velocity of the two members. Strain in the web is adjusted with the size of the small radius, which is controlled by the adjustable gap and radius location.

Abstract: A method of forming at least one primary microstructure on a substrate (10) is described. A relief structure (14) is provided for contacting a layer of microstructure forming fluid (12), the relief structure including (i) at least one primary cavity (16) which defines the at least one primary microstructure; (ii) at least one secondary cavity (18) for receiving residual microstructure forming fluid; and (iii) at least one bearing surface (24) for bearing against the substrate, the at least one bearing surface separating the at least one primary cavity and the at least one secondary cavity. A layer of microstructure forming fluid is provided between the relief structure and the substrate and at least one of the substrate and the relief structure is moved relative to the other so that the bearing surface comes to bear against the substrate.