Abstract: A cutting cylinder is mounted such that it can rotate and be driven and is provided with four cutting blades on its circumference, which blades divide the circumferential length into four sections arranged on the circumference of the cutting cylinder.

Abstract: A machine for cross cutting a material web has a main frame part unitarily formed with a pair of transversely spaced main sides and with at least one main traverse extending transversely between the main sides and a secondary frame part unitarily formed with a pair of transversely spaced secondary sides and with at least one secondary traverse extending transversely between the secondary sides. The main frame part is formed at its sides with a seat on which the respective sides of the secondary frame part fit complementarily with the main and secondary traverses extending parallel to each other. Two blade drums rotatable about respective transversely extending drum axes have ends journaled in the sides at the seat. Fasteners secure the frame parts together at the seat to opposite sides of the drum ends.

Abstract: The present invention is directed to a method and apparatus for providing positive control of a printable medium in a printing system such that high speed processing of the printable medium can be achieved without damage to the product (e.g., printed signatures). Exemplary embodiments are directed to a carrier system which contacts (e.g., grips) the printable medium from both sides to provide positive control over the printable medium as it is transported from one area of positive constraint (e.g., a folding mechanism of a folder device) to another area of positive constraint (e.g., transport tapes and/or a signature deceleration device located downstream of the cutting cylinders).

Abstract: A three knife trimmer has a front knife and two lateral knives. A drive device drives the front knife and the two lateral knives such that a front cut and at least one lateral cut are performed with phase displacement by the front knife and at least one of the two lateral knives on the material to be cut. The drive device has at least one drive curve. At least two pivotable levers engage the drive curve, wherein the front knife and at least one of the two lateral knives are drivingly connected to the at least two pivotable levers.

Abstract: A rotary die cutter for forming a non-linear line of perforations in a strip of material is disclosed. The rotary die cutter includes a rotatable anvil roll and a rotatable knife roll. The knife roll has a peripheral surface with at least one knife formed thereon. The knife has a non-linear configuration. The knife extends across at least about half of the width of the knife roll and has a plurality of land areas each separated by a notch. The knife roll is coaxially aligned with the anvil roll to form a nip therebetween through which the strip of material can pass. For each rotation of the die cutter, the knife will pass through the strip of material and be brought into direct contact with the anvil roll and form a non-linear line of perforations in the strip of material.

Abstract: A device for cutting a fiber cable, in which a rotationally driven cutter supporting member and a rotatable pressing ring positioned at an incline relative to the cutter supporting member work together to cut the fiber cable. An annular channel formed on the outer circumference of the cutter supporting member is penetrated by a plurality of radially oriented cutting blades. The cutting blades are held in a cutter receiving member of a holding device, wherein a supporting ring radially supports the cutting blades. The width of the cutting blades is larger than the width of the annular channel. In order to consecutively use several areas of the cutting blades, the supporting ring is replaceable and is formed by an outer ring encircling the cutting blades or by an inner ring encircling the cutting blades. The cutting blades are held in the cutter receiving member and are radially moveable.

Abstract: A slicing machine includes a tapered slicing gate for use in cutting products such as potatoes or the like into a plurality of slices each having a tapered thickness. The slicing machine generally corresponds to U.S. Pat. No. 3,521,688 and includes a rotary impeller for carrying the products by centrifugal force against an interior surface of a nonrotating cylindrical outer impeller housing, a portion of which defines an adjustable slicing gate forming a cutting slot of controlled thickness relative to a stationary slicing knife for cutting the products into the plurality of slices. A tapered ramp is formed or mounted at a downstream end of the slicing gate so that the cutting slot and the resultant slices have a tapered configuration. The tapered slices may be cut further into elongated strips, such as French fry potato strips, having a tapered lengthwise thickness.

Abstract: A sheet delivery apparatus includes a cutter cylinder, a cutter reception cylinder, and a conveyor provided downstream of the cylinders. The cutter cylinder and the cutter reception cylinder cooperatively cut a paper web so as to yield sheets of predetermined size. The sheets are delivered by the conveyor. A dampening unit is provided upstream of a region where the cutter cylinder and the cutter reception cylinder closely face each other and in the vicinity of the paper web so as to dampen the paper web such that the surface of the paper web which will face the cutter cylinder is dampened to a greater extent than is the other surface. Grooves are formed circumferentially on the outer circumferential surface of the cutter reception cylinder.

Abstract: Cutter for cross cutting of reeled webs comprising a rotary cutting assembly including a blade and a counter blade rotated in synchronism with an advancement assembly of the web. The rotation axes of the blade and of the counter blade are displaceable relative to each other, perpendicularly to the web, and a gear actuator is provided to operate mutual approaching thereof when the blade and the counter blade are placed in a mutually facing angular position for cutting the web. The blade and the counter blade are rotated only at the time of cutting.

Abstract: Apparatus and a method for providing cut pieces from a first moving web and associating the cut pieces with a second, faster-moving carrier web. A vacuum roll is provided and cooperates with an adjacent cutter roll to enable transverse cuts to be made in the first web material. A vacuum manifold is provided and contacts the end wall surface of the vacuum roll to provide vacuum to apertures provided in the outer periphery of the vacuum roll. The vacuum roll and the vacuum manifold have spiral-like ports and slots to provide communication between a source of vacuum and the periphery of the vacuum roll at predetermined points in the path of rotation of the vacuum roll.

Abstract: A method of cross-cutting a moving web uses a cutting knife operably mounted on a knife cylinder having a circumferential distance LZ where LZ is smaller than a cut length, LA. The knife cylinder for revolving in a first and a second opposite direction is powered by a drive motor in either direction. The method includes revolving the knife cylinder in a first direction, cutting the web with the cutting knife, and completing a first cut. The knife cylinder is then reversed to retard progress in the first direction and then accelerated to the speed of the moving web until starting the second cut.

Abstract: A device for electrostatically charging a multilayer material web includes electrostatic charge elements assigned to outer sides of the multilayer material web, the charge elements being disposed upline of an inlet of the multilayer material web into a cylinder group of a folder, as viewed in a travel direction of the multilayer material web, the cylinder group including cylinders formed with respective outer cylindrical surfaces, the cylinders including a cutting cylinder pair having a cutting nip into which a leading end of the multilayer material web extends, the cutting cylinder pair being provided with an electrically insulated cutting tool; and a folder including the charging device.

Abstract: According to the present invention, through holes (30) are formed in a web (3) in cooperation between an anvil roll (1) and a loop-shaped blade (20) of a cutter roll (2). A die-cut portion (31) is adsorbed to an inner-loop region (21) of the cutter roll (2), and then discharged by being sucked into a duct (80) while air is jet out from air vents (22) in the inner-loop region (21).

Abstract: A device for enhancing and processing printed cardboard, cardboard packaging, paperboard, paper or similar substrates (2), especially designed for a rotational stamping process, wherein the substrate (2) can be introduced in between two rotating processing cylinders (4, 5) in an advance direction (A) and is processed as it passes there through by tool parts (7, 8) acting in a working gap (6). The inventive device (1; 1′; 1″; 1′″) is provided with a processing cylinder (4) having at least one gripper (9) for register-controlled conveyance of the substrate (2).

Abstract: A method and apparatus are taught for cutting a sheet material comprising the steps of engaging a first side of the laminated web structure with a crack initiator having a high rake angle, the crack initiator extending from a first cutter base having a low rake angle; simultaneously engaging a second side of the laminated web structure with a second cutter; generating a first crack in the first side of the laminated web structure with the crack initiator; generating a second crack in the second side of the laminated web structure with the second cutter; and propagating the first crack and the second crack to intersect. The crack initiator extends from a cutter base to a height of at least 5 &mgr;m. The high rake angle of the crack initiator is in the range of from about 30° to about 70°. The cutter base has a low rake angle that is at least about 15° less than the high rake angle of the crack initiator.

Abstract: A method for expelling air out of mailpieces includes the steps of creating a stack of the mailpieces; cutting an opening in at least some of the mailpieces; jogging the stack of mailpieces; and subjecting the stack of mailpieces to at least one compression/decompression cycle during the jogging step thereby expelling air out of the at least some of the mailpieces through their corresponding openings.

Abstract: This invention provides patterned tread strips of uniform shape and dimension from salvaged tire carcass tread strips adapted for producing products requiring stacked layers of tread strips. Novel methods of and apparatus for shaping the tread strips in one embodiment results in trimming edges of substantially rectangular shaped tread strips salvaged from tire carcasses having two shorter ends and two longer sides to produce precisely uniform width between the longer sides. Thus the longitudinal tread strips may be passed from one end longitudinally through a power actuated strip feeder which establishes slicing means operable at designated spacings near opposite edges of the tread strips to cut away edges and produce uniform longitudinal strip widths between said two shorter ends as the strips pass through the strip feeder. Other shaping embodiments of the invention include tread surface shavers for producing strips of precise thickness, and length cutters to provide specified lengths.

Abstract: A bridge assembly includes a urethane-base flexible bridge die having an inner surface and an outer surface. The bridge die is formed for use on a discrete section of a rotary die cylinder and is used with at least one rotary cutting die mounted to the rotary die cylinder. The bridge die has at least one score so that the bridge assembly may be resized by removing a portion of the bridge assembly at the score. A plurality of rubber strips are also included and are attached to the outer surface of the bridge die.

Abstract: The present invention is related to a device for seizing a flat material (25) such as a web of material (1) on a transporting surface (15). A first cylinder (7) has at least one knife assembly (12) assigned to its respective surface (9). A paper conducting cylinder (14) such as a transfer cylinder or a folding cylinder supports a flat material (25) on its respective outer circumference (15). Biased product seizing element (27) assigned to said circumference (9) of said first cylinder (7) are provided, adopting on cooperation with said leading edge (25) supported on said outer surface (15) of the paper conducting cylinder (14) an engaging position (32).

Abstract: A device for cutting a fiber cable, in which a rotationally driven cutter supporting member and a rotatable pressing ring positioned at an incline relative to the cutter supporting member work together to cut the fiber cable. An annular channel formed on the outer circumference of the cutter supporting member is penetrated by a plurality of radially oriented cutting blades. The cutting blades are held in a cutter receiving member of a holding device, wherein a supporting ring radially supports the cutting blades. The width of the cutting blades is larger than the width of the annular channel. In order to consecutively use several areas of the cutting blades, the supporting ring is replaceable and is formed by an outer ring encircling the cutting blades or by an inner ring encircling the cutting blades. The cutting blades are held in the cutter receiving member and are radially moveable.

Abstract: The application relates to a device for quickly and precisely aligning and fixing foil blades on the body part of a blade roll. The rotary blade roll has a rotating shaft, at least one roll body part arranged with torsional strength on the rotating shaft, at least one foil blade supported by the roll body part, and a row of holding and positioning pins in the roll body part. Magnetic elements arranged in rows retain the foil blade flatly on the peripheral surface of the roll body part. The foil blade has a thin flexible magnetically permeable base plate and at least one sharp one-piece cutting edge of a predetermined cutting shape projecting from the base plate. The base plate has a leading edge, a trailing edge, two side edges opposing each other, and, in a front zone adjoining the leading edge, a plurality of slots aligned with the cutting edge.

Abstract: In a method of jointing a cutting edge of at least one cutting blade of a rotating tool, wherein between the tool and at least one straight jointing stone a radial advancing movement is carried out and wherein the jointing stone has an active jointing area that is longer than a length of the cutting edge, at least one relative stroke between the jointing stone and the cutting edge is performing during jointing in a longitudinal direction of the cutting edge. The relative stroke has a stroke length that is shorter than the length of the cutting edge.

Abstract: The present invention is related to an apparatus for cutting webs of material, including a first revolving member and a second revolving member having cutting elements integrated therein. Said revolving members, respectively, define a cutting region therebetween and supporting elements, respectively, assigned to said revolving elements within said cutting region. Said second revolving member comprises a belt assembly having a layered structure, said cutting elements mounted within said layered structure.

Abstract: An apparatus for cutting individual pieces from an extruded strand fed at a constant velocity (v0) has two cutting blades, which are disposed on disks and rotate in circular paths. In order to align the cutting blades perpendicular to the feed direction of the extruded strand, the blade supports holding the cutting blades are coupled to each other by means of guide rods. The guide rods simultaneously constitute the rotation axes of deflection rolls of a conveyor belt transporting the extruded strand.

Abstract: A method and apparatus for continuously producing pasted positive and negative electrode plates from pasted lead or lead alloy expanded, punched or cast metal mesh strip for use in lead-acid batteries without the use of paper barriers. The heating of cutting devices such as roll-mounted die-cutters to a predetermined temperature range of at least about 150° C., preferably about 160 to 300° C., and more preferably about 180 to 210° C., eliminates sticking of the paste on the pasted metal mesh strip to the cutting devices and obviates the need for the paper barriers.

Abstract: A cutting unit is described that contains a pair of cylinders disposed opposite one another with a gap formed there-between for receiving a ribbon. The pair of cylinders include a first cutting cylinder having a periphery with a cutting knife disposed helically about the periphery and a second cylinder. A drive rotates the first cutting cylinder for cutting the ribbon such that a signature cut from the ribbon has a smooth, straight edge.

Abstract: The invention relates to a cutting and transport roller (1) and a process for cutting the material webs (7), which rest on the peripheral surface (3) of the cutting and transport roller. In so doing, the material webs (7) are severed with the aid of a cutter (4), which is located in essence inside the shell of the cutting and transport roller (1) in its resting position and which exhibits at least one knife (9), which during the cutting process of the material web reaches through an opening (6) of the shell of the cutting and transport roller. The cutting motion, which is executed by the cutting surfaces (9a, 9b) of at least one knife during the cutting process, exhibits rotary components, whereby the rotational motions of at least one knife (9) run about the axes (D, 36), which are either parallel or at an acute angle to a perpendicular line on the plane, which is defined by the radial (r) and axial (z) coordinates of the cutting and transport roller.

Abstract: A sheet processor has a sheet transportation path, a punching unit for performing a punching operation on the sheets, the punching unit including a punch slide having a punch mechanism thereon, a moving device for moving the punch slide between a sheet punching operation position and a punch slide home position, the movement occurring in a direction transverse to the sheet transportation direction, and a detector for detecting completion of the punching operation by the punching unit. When the detector detects the completion of the punching operation, the moving device moves the punching unit to the punch slide home position.

Abstract: In a labeling machine for conical or non-cylindrical containers, comprising a cutting station for cutting a film of labels into segments constituting the individual labels to be affixed to the containers, an apparatus for adjusting the inclination of the label comprising an element anchored to an end of the rotating shaft of a roller for feeding the film of labels to the cutting station, and in said element is screwed a screw actuated from a knob in such a way as to cause the translation of the element and hence the movement of the rotating shaft of said roller for feeding the film to the cutting station.

Abstract: A machine for continuously making gaskets and similar flat products. Sheet gasket material is fed from a roll and through tooling that successively: cuts the outline, separates the center scrap, then separates the gaskets from the remaining sheet stock waste. The cutting tool rotates. The center scrap and the gaskets may be removed by rotating tooling or by vacuum and air pressure, respectively. Design and fabrication of such a machine, especially the cutting roller, is made possible by state of the art CAD software.

Abstract: In a device for cutting a web of material in a folder having a cutting tool accommodated on a cutting cylinder, there is provided a cutting tool support which includes pressure bars of elastic material flanking and directly engaging the cutting tool, and projecting resiliently beyond a jacket of the cutting cylinder, the pressure bars being formed of an elastic base material and a contact material having a greater hardness than that of the base material, the base material of the pressure bars being in engagement with the web of material during the cutting of the web of material.

Abstract: An apparatus for applying sheets to substrates including a rotating blade roller with a blade on its surface; a vacuum roller rotating with the blade roller, oriented parallel to the blade roller, and with a surface adjacent to the blade roller surface; at least one slot in the vacuum roller surface into which the blade is inserted as the rollers rotate; and a feeder for feeding a continuous sheet between the rollers so that the sheet is cut into segments. The vacuum roller surface includes surface holes connected to a vacuum source during cutting and disconnected after cutting and manifold holes parallel to the roller axis and located in a circle below the surface. The manifold holes have open ends located at one end of the vacuum roller and are connected to the surface holes. There is at least one plate adjacent the end of the vacuum roller with the open ends. The plate includes at least two curved grooves on the surface matching the shape of the path traveled by the open ends.

Abstract: Laminated elements, which may be constituted, for example, by labels to be applied to articles while in movement, are formed from a strip provided by a feeding device. The strip moves forward onto a reception unit, passing through a cutting zone. The individual laminated elements are formed by causing the cutting unit to come into action when the length of the strip paid out by the feeding unit is equal to the desired length of the labels. The cutting unit preferably includes a revolving knife and a counterknife, where the latter consists of a non-driven roller supported in a cradle that is lubricated and exerts an elastic force against the cutting unit. Preferably, the reception unit realizes the step of applying the individual laminated elements to their respective articles.

Abstract: The present invention is related to an apparatus for cutting webs of material, including a first revolving member and a second revolving member having cutting elements integrated therein. Said revolving members, respectively, define a cutting region therebetween and supporting elements, respectively, assigned to said revolving elements within said cutting region. Said second revolving member comprises a belt assembly having a layered structure, said cutting elements mounted within said layered structure.

Abstract: A rotary die cutter in accordance with the present invention has frames 1 for rotatably supporting a die cut cylinder 20 and an anvil cylinder 21 via a bearing 22, and is configured so that oil is circulated in the die cut cylinder 20 and/or the anvil cylinder 21. Also, another rotary die cutter in accordance with the present invention has frames 20 for rotatably supporting a die cut cylinder 3 and an anvil cylinder 4 via a bearing 21, and is configured so that a cooled lubricating oil 23 is supplied to the bearing 21.

Abstract: A paper product has a first sheet with a pattern of spaced openings permitting separation into sections and a second sheet releasably attached to the first sheet with a pattern of continuous curvilinear openings dividing the sheet into sections and being aligned with the openings of the first sheet. A die sheet for a die for cutting material includes a die sheet surface with a die pattern extending outwardly from the die sheet surface. The die pattern has slitting sections providing curvilinear, continuous openings through a second sheet of the material and spaced perforating sections extending above the slitting sections providing a pattern of spaced openings in the first sheet adjacent to the openings through the second sheet. A first method of constructing a die sheet includes covering a die surface with a first, spaced pattern of a first photo-resist material and then covering the first pattern with a second, continuous pattern of a second photo-resist material.

Abstract: An apparatus for cutting a movable sheet of web material onto predetermined lengths including a pair of upper and lower cutoff rolls and a retractable cutoff blade. A slide mechanism is utilized to move in a direction transverse to the movement of the sheet of web material to selectively engage and disengage the cutoff blade.

Abstract: Adhesive bandages are prepared from an elastic backing material by decreasing the tension in the backing material just prior to attachment of the adhesive pad.

Abstract: The cutting device (1) for a continuous material, in particular a corrugated web, consists of rotating paired cutter bars (5, 6) mounted in bearings above one another, with blades (8) which run in the lengthwise direction of the cutter bars. Each cutter bar (5, 6) is connected directly with a driving motor (10) on each end (9). A synchronizing device (11, 12, 13) for the cutter bars (5, 6) is present.FIG. 1 is the main illustration.

Abstract: A non-contact rotary knife apparatus which perforates a seal area between two adjacent pouches in a continuous web by using perforating blades, preferably on the minor hub, and anvils on the major hub with the anvils having elongated, spaced apart recesses for receiving but not touching the teeth of the perforating blade. Thus, a major knife hub is mounted for rotation and has perforating anvils spaced about the exterior of the major knife hub. Each of the perforating anvils has elongated, spaced-apart recesses. A minor knife hub is also mounted for rotation proximate to the major knife hub and has perforating blades spaced about the exterior of the minor knife hub. Each of the perforating blades has an edge with spaced perforating teeth disposed along the edge.

Abstract: An expandable metal product for use in extinguishing fires and in the prevention of or protection against explosions. The product is a continuous sheet of magnesium alloy foil having discontinuous slits in spaced apart lines parallel to each other but transverse to the longitudinal dimension of the sheet. The invention is also directed to the expanded form of the product, either in sheets which may be used for preventing fires or explosion or in the form of shaped ellipsoids for use in a passive inerting system for fuel tanks.

Abstract: Assembly to shear rolled sections (11a, 11b) coming from two parallel, adjacent rolling lines, the assembly comprising for each rolling line a feeding unit (13a, 13b), shears (12a, 12b) for shearing to size and a single scrap shears (14) with two pairs of blade-holder elements (15a, 15b) cooperating with the corresponding scrap-conveying channels (23a, 23b), there also being present first switches (20a, 20b) to feed the rolled sections (11a, 11b) alternately towards the the shearing channel (22a, 22b) and towards the scrap-conveying channel (23a, 23b), all the motors being on the same side, the shearing assembly also comprising a cyclone to discharge discards (17) downstream from the scrap shears (14) and comprising, downstream from the scrap shears (14), second switches (21a, 21b) cooperating with the rolled sections respectively (11a, 11b) to feed alternately a double removal channel (24a, 24b) placed downstream.

Abstract: A cross cutter for web stock, in particular for a corrugated cardboard web, has tube-shaped cutter cylinders (4, 5) formed of a composite fiber material which are rotatably mounted in pairs above each other in a machine frame (2, 3). Cutter holders (15) for cutters (16) are fastened on the cutter cylinders, which are disposed along the circumference of each cutter cylinder extending diagonally. Counterweights (17) are located on the cutter cylinders opposite the cutter holders. The cutter cylinders mesh with each other via gear wheels (10), by which the cutter cylinders can be driven. The cutter cylinders (4, 5), the cutter holders (15) and the counterweights (17) are made of a composite fiber material with a heat expansion coefficient near or equal to 0 mm/K. The bearings (7) at both ends of the cutter cylinders are fixed bearings.

Abstract: A high speed rod trimming shear includes a pair of eccentrically bored sleeves mounted for rotation about parallel first axes. Carrier shafts are supported in the bores of the eccentric sleeves for rotation about second axes parallel to the first axes and located on opposite sides of the rod path. The carrier shafts have blade holders with attached cutting blades. A primary drive rotates the carrier shafts continuously, and an adjustment mechanism rotatably oscillates the eccentric sleeves to adjust the distance between the carrier shafts between a first setting at which the cutting blades rotate out of contact with the rod, and a second setting at which the cutting blades coact during rotation to sever the product.

Abstract: A machine for cutting electric battery plates, comprising two rollers (17, 18), between which a metal strip (20) passes. The metal strip is provided with a row of holes (22) running down the center, separated by bridges (31). The lower roller (17) is provided with means for removing cut-away pieces. A disk that is selectively circumferentially positioned is mounted on the lower roller. Lugs (21) project radially from the disk to pull the strip (20) along. Cutter plates (25, 26) are mounted on the upper roller. The cutter plates are provided with blades (29, 30) that cut the strip (20) and the bridges (31) transversely to yield plates (32) with their respective tabs (33). Inserts (35, 36) are provided under the cutter plates.

Abstract: Method and apparatus for producing a card product including a sheet with at least one cut-out and a card which is disposed in the cut-out of the sheet, wherein the sheet and the card are held together by at least one adhesive strip which is coated on one side with contact adhesive.

Abstract: A cutting device for transversely cutting a traveling web into signatures is usable to cut signatures into equal or unequal lengths and to accomplish proper register of the cuts. This is accomplished by supporting at least one cutter blade in a cutting cylinder so that the blade can be shifted circumferentially, and by supporting the cutting cylinder so that it can be phase-shifted.

Abstract: A device for removal of slips from a continuously transported slip web is composed of an advancement roll pair which continuously advances and holds the slip web. A blade cylinder pushes a respective lead end of a slip into an open gripper of a gripper cylinder. A device is arranged between the advancement roll pair and the blade cylinder and provides transverse perforated lines. A rotating tear-off segment cooperates with the blade cylinder. In order to enable a simple and rapid adaptation to different slip formats, the advancement speed of the advancement rolls, the transverse perforating device and the angle of action of the tear-off segment are correspondingly changed relative to the blade cylinder.

Abstract: The invention concerns a method and an arrangement for handling printed products by making an edge cut with the aid of a cutter. The printed products in this case are supplied to the cutter by grippers that circulate along a first conveying loop, and the edge area to be cut on the printed products positioned in the grippers is stabilized by clamping braces that can be placed against the printed products in the range of the cutter. After the edge cut is made, the printed products with the grippers are disengaged from the clamping braces and discharged.

Abstract: A web (W) of sheet material intended to form individual tagged packets has surplus portions of a thread (S) extending along its length removed while the web is being advanced. After severing one end of each unwanted thread portion with a rotary cutter (2), the severed end is lifted by a wiper (10), and the lifted end is held away from the web by suction means (20) while it is detached by shearing means (22). The suction means (20) then remove the detached thread portion.