Abstract: An anvil blanket is molded urethane sheet material and formed with a plurality of interlocking fingers at mating opposing blanket ends and includes a depending projection which mates with a channel in the anvil about which the blanket is wrapped. A urethane insert having a hardness greater than the blanket material is molded embedded in the blanket to form a portion of the fingers and a portion of the projection depending from the fingers. A woven fiberglass fabric provides support for the blanket which is molded to the fabric. The insert has a durometer greater than that of the blanket to minimize the formation of surface recess defects at the projection which might otherwise occur due to the increased thickness of material at the projection. The insert may have other properties different than that of the blanket material including rebound, modulus, and cut and tear strength among others for resisting the formation of blanket surface defects. Different embodiments are disclosed.

Abstract: A chopper for chopping items such as fibers, fiber strands, ribbon, etc. by passing the items continuously in a loose, unwound, condition through the nip of a blade roll and a backup roll having a working layer on its outer periphery. The chopper of the present invention uses one or more rolls that are radially expandable and retractable to replace the blade roll and/or the backup roll on the prior art choppers so that worn blades and/or a worn working layer can be more quickly and more easily replaced with a new or repaired working layer or blade holder containing sharp blades. The chopper of the present invention eliminates the need to carry large, heavy, awkward rolls through the fiber forming rooms or areas where the items are being chopped and also to transport such rolls back and forth to the location where they are being rebuilt.

Abstract: A mating arrangement for a split slitter, anvil, spacer or any other similar device is disclosed. The mating arrangement provides for precision alignment of the two halves of the split slitter in both the axial and radial directions.

Abstract: A cutting mat comprises a cutting mat body and a lock assembly arranged to secure the cutting mat to a rotary anvil. The lock assembly comprises male and female locking members formed at opposite ends of the cutting mat and integral therewith. There are no metal frames or other components welded or otherwise secured to the male or female locking members. The female locking member slips into an axial channel on a rotary anvil. The cutting mat is wrapped around the rotary anvil, and the male member is inserted into the axial channel in locking relationship with the female locking member. Further, the axial edges of the cutting mat are formed in mating, complimentary serpentine shape to prevent a cutting blade from slipping into the seam between adjacent cutting mat surfaces.

Abstract: A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenient to install on and remove from a cutting cylinder.

Abstract: An apparatus for manufacturing a cutter includes a cutter cylinder that has a cutter blade on a peripheral surface thereof. The cutter blade extends in a longitudinal direction. A rotary die cutter has a receiving cylinder on a peripheral surface thereof to receive the cutter blade. A sheet conveying device is provided for feeding a nonmetallic sheet between the cutter cylinder and the receiving cylinder of the rotary die cutter at a speed synchronous with that of the cutter blade. An inverting device is also provided for pulling back the sheet after the tip portion thereof is severed by action of the cutter cylinder and the rotary die cutter.

Abstract: The perforating machine is provided with a perforating roll having a perforating bar and a base roll below the perforating roll which can be moved between a raised position and a retracted position. In the raised position, the base roll allows the perforating bar to perforate a web passing between the two rolls. In the retracted position, the base roll lowers the web away from the perforator roll so that a perforation is not effected. A programmer is also provided to program the motion of the base roll so as to adjust the centerline to centerline spacing of the lines of perforations in the web. The perforator roll is also driven by a transmission employing elliptical gears so that the perforator roll is accelerated prior to perforating the web and decelerated thereafter. The machine may also be used to cut the web into a series of panels rather than simply perforating the web.

Abstract: The invention is a cylinder cover engageable with a channel. The cylinder cover includes a flexible blanket with two ends, the ends configured to substantially abut when the blanket is circularly wrapped. Further, the cylinder cover includes a female member attached to the first end of the blanket, the female member having a leg connected with and opposing a resilient engaging element by a base member. The resilient engaging element is configured to frictionally engage a sidewall of the channel. Attached to the second end of the blanket is a substantially rigid male member. When engaged with the channel, the blanket is substantially continually supported by a rigid substrate.

Abstract: A device for cross cutting material webs includes a cutting-cylinder pair formed of mutually cooperating cylinders having respective cylinder cores and circumferential surfaces formed by exchangeable circumferential elements, the circumferential elements being arranged removably around the respective cylinder cores of the cylinders.

Abstract: A three hole punch system is for use in an image capturing device. The three hole punch system uses elastomeric rollers that punch holes in the edge of a sheet as it passes between two rollers. If desired, the rollers can act as a transport for the sheet without punching holes in the sheet. After the holes are punched, the resultant slugs are pushed back into the holes and the sheet is retrieved by the operator.

Abstract: In order to so improve a cutting machine comprising a machine frame, an anvil roller rotatable on the machine frame about an axis of rotation and having an anvil surface, a cutting tool mounted on the machine frame for rotation about an axis of rotation, with a cutter interacting with the anvil surface and with supporting rings which are held on the cutting tool and support it relative to the anvil roller with their supporting ring surfaces and/or vice versa, that the quality of the cutting effect can be maintained even when the cutter becomes worn, it is proposed that the diameter of the supporting ring surface of each supporting ring be adjustable by radial stretching of the supporting ring within the range below an elastic expansion limit of its material by means of an expansion device.

Abstract: The present invention is related to a device for varying a cylinder's effective diameter. It includes a shell member being removably mounted on a surface of a cylinder. On the easy exchangeable shell member having a base plate an elastic material is provided allowing for a compressible surface gain.

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: A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenient to install on and remove from a cutting cylinder.

Abstract: A lockup device for securing cutting mats to a rotary anvil comprises a base portion, one sidewall, and a wedge portion, and is adapted to be inserted into the channel of the rotary anvil such that the sidewall of the lockup device is adjacent a wall of the channel. A cutting mat having opposing first and second flanged ends is wrapped around the rotary anvil. The first flange is compressed between the locking wedge and the sidewall of the lockup device. The second flange is compressed between the locking wedge and a channel wall. As such, the locking wedge and cutting mat are frictionally secured to the rotary anvil. Further, the cutting mat may be quickly repositioned by releasing the second flange from the channel. When the cutting mat is unwrapped from the rotary anvil, the lockup device remains secured to the first flange, allowing for quick repositioning.

Abstract: A cutting apparatus for separating packages from a line of interconnected packages. The technical problem is to simplify the cutting apparatus and shorten the set-up times and the work cycles. This problem is achieved with a lower knife (4) capable of being moved in between the packages in the vertical direction from below and with an upper roll (12) capable of being moved, together with a discharge gripper (11) for the separated packages, parallel to the conveying section while being pressed against the lower knife.

Abstract: A circular cylindrical bearing section for a die cutter blanket comprises two segments pivoted relative to each other at one interface therebetween and resiliently urged radially apart by spring plungers at a second interface therebetween. A blanket section is wrapped about the two segments which are resiliently urged against the overlying blanket section secured to the bearing section by a conventional channel in the bearing and mating male-female interlocking members on the blanket. An array of bearing-blanket sections on an anvil roll are axially coupled by annularly spaced mating pins and notches at opposite axially facing edges of the bearing sections. The array of bearing-blanket sections are selectively slid as a unit along the anvil roll to rapidly relocate the blanket sections to minimize local blanket wear. The interlock members of each blanket section may be misaligned axially with the respect to the interlock members of the adjacent blanket sections.

Abstract: There is provided a resilient cover for a die-cutting rotary anvil comprising a flexible elastomeric member of one integral piece, having its longitudinal ends provided with at least one complemental set of transversely aligned and interlocking means, whereby the single cover piece may be flexed markedly, and conjoined at its longitudinal ends to form a sleeve-like cover for the anvil and remain functional in a stable and durable manner. The cover further includes one or more anchoring annular rails, located longitudinally along the inner surface of the cover.

Abstract: A perforated separation line forming apparatus which is characterized by: an edged rotary body (2) having a round slitting edge (1); and a receiving rotary body (4) having a receiving circumferential surface (3) that the round slitting edge engages; wherein the edged rotary body (2) and the receiving rotary body (4) are arranged to clamp a perforated line forming position (6) of a continuously fed transfer material (5) therebetween; wherein the receiving circumferential surface (3) of the receiving rotary body (4) is formed with non-slit portion forming recesses (7), which the round slitting edge (1) of the edged rotary body (2) cannot engage, at predetermined intervals in the direction of rotation, so that the perforated separation line (8) formed at the perforated line forming position (6) has slit portions (8A) and non-slit portions (8B) alternated successively; wherein the receiving rotary body (4) is movably adjustable relative to the edged rotary body (2) in an axial direction, the non-slit portion form

Abstract: A dual purpose rule guard for two-piece rotary cutting dies consists of a pair of confrontable allochiral guards. Each defines on its confronting surface a first portion thereof recessed inwardly therefrom and a second portion thereof projecting outwardly therefrom. The guards of the pair are interdigitable for assuming an interlocked position with respect to each other to insure the correct alignment of the cutting dies and of their rules. Additionally, each guard is so positioned relative to its cutting die that its second outwardly projecting portion projects outwardly of the confrontable edge or join line of the cutting die so that it functions as an overhang to keep the knife at the join line upwardly and away from any storage surface.

Abstract: A sheet material primarily fabric is cut by providing an anvil having an substantially cylindrical wire thereon defining a cutting line lying along the anvil and supported thereby, by draping the fabric over the anvil and by running along the wire of the anvil the peripheral surface of a roller so as to apply pressure between the roller surface and the wire. The fabric is thus compressed between the roller surface and the wire in a pinching action which causes the wire to engage into and effect cutting of the fabric along the cutting line. The roller is mounted on a carriage running along the anvil and is spring biased onto the wire.

Abstract: A mechanism for cutting a sheet of paper includes a rotary blade and a counter blade. The periphery of the counter blade is substantially flush with a paper-setting surface on one side of a stand portion of a cutter frame. The axis of the counter blade is disposed forwardly of the axis of the rotary blade. The rotary blade and counter blade are stored in a blade stand. The cutter frame supports the blade stand for forward movement and the subsequent rearward movement. The cutter frame is provided with a driver including pulleys and a wire. The driver moves the blade stand along the stand portion of the frame.

Abstract: An apparatus and method for forming specially-configured handles in a plurality of interconnected plastic bags traveling in a longitudinal direction. The plastic bags are interconnected along transverse lines of weakness spaced at bag-length distances apart. The apparatus and method comprise using a rotary anvil and a rotary cutting die. The rotary anvil has a first axis of rotation. The rotary cutting die is disposed adjacent to the rotary anvil and has a second axis of rotation substantially parallel to the first axis of rotation. The rotary cutting die includes a rotatable cylindrical shaft, a blade shell mounted on the shaft, and a generally W-shaped blade formed on the blade shell. The blade has a base portion and a pair of substantially linear opposing legs, and the base portion has an inverted, V-shaped configuration. The opposing legs extend upwardly relative to the base portion and outwardly relative to each other.

Abstract: A polyurethane layer is bonded to a sheet metal liner and secured to an anvil roller channel by depending interlocking male and female locking members at the respective blanket ends. The female locking member comprises a U-shaped channel member formed from the liner. The channel member has an extension formed of doubled over sheet material with an inclined lip for engaging the anvil channel in resilient interference fit in cooperation with a distal channel member side wall. The channel member is filled with the layer material as the layer is formed to form a solid female member and has a lateral side wall from which a locking projection extends for locking engagement with a mating recess in the male member. A wedge projection projects from a face of the male member contiguous with the outer blanket surface. The wedge projection extends from the blanket outer surface an extent smaller than the blanket layer thickness to minimize insertion load on the male member due to interference with the female member.

Abstract: The sawing device comprises a layer of parallel wires (2) moving with alternating or continuous movement whilst bearing against a piece (1) to be sawed fixed on a support table (3), the whole being maintained by a frame (14). The device comprises wire guide cylinders (4) having an interchangeable surface constituted by removable segments (6) fixed mechanically and/or by cementing. The removable segments (6) are pre-incised or not, with grooves (9). Said wire guide cylinders (4) need accordingly not be taken out of the frame (14) for the changing operation of the removable segments (6) and/or of the regeneration of the surface.

Abstract: These transforming machines which process cardboard plates or the like for fabricating packages are comprised of two rollers defined as the die and the anvil, the die carrying the cutting and slitting knives. The plate of cardboard or the like passes between the two cylinder in such a rotary cutting die system. According to the invention, the anvil is defined by a tubular part (20) comprised of a rigid core (21) and a cut-resistant material which is cured on said core (21). The anvil (20) is divided into two complementary parts (23 and 24), one of them having a development which is slightly higher than the other one. There is incorporated a fast hooking system for connecting the two parts (23 and 24) forming the tubular part (20). The hooking system comprises an undulated tubular part (20). The hooking system comprises an undulated profile (25) in the front joining portions of both parts (23 and 24), one of them having lugs (26) which can be nested into complementary housings (27) of the other part.

Abstract: A cutting station (10) that permits rapid change-over and adjustment of its cutting and anvil rollers (62,60) between printing runs is disclosed. The cutting station (10) includes a frame (14) having a longitudinal axis (19) defining a web travel path; an anvil roller (62) configured for rotatably mounting on the frame; a cutting roller (60) configured for rotatably mounting on the frame (14) adjacent the anvil roller (62); and an improved biasing assembly (18) for biasing the cutting roller (62) against the anvil roller (60). The biasing assembly (18) includes a track (80) extending transversely from the frame (14), a carriage (82) slidably mounted on the track (80) for movement toward and away from the frame (14), and a biasing member (84) mounted for vertical shifting movement below the carriage (82).

Abstract: A crush-slitting anvil structure including a frame, a backup roll rotatably mounted on the frame, an axle mounted on the frame in substantially parallel relationship to the backup roll, a roller anvil mounted on the axle and in engagement with the backup roll, and a rotatable knife mounted on the frame in contiguous relationship to the roller anvil. In one embodiment the axle is directly mounted on the frame, and in another embodiment the axle is mounted on a housing which is mounted on the frame.

Abstract: The sheet slitting apparatus 1 comprises a disk-like slitting blade 23 and a guiding member 52. The slitting blade 23 rotates along the direction of the sheet feeding, and can move in a direction crossing over the sheet feeding direction. The blade-guides 52 is located in opposition to the slitting blade 23 and comprises a plurality of blade-guides which are arranged juxtaposed each other in a direction crossing that of the sheet feeding, and can displace elastically along the direction of their own arrangement, respectively. The sheet S is fed between the slitting blade 23 and the guiding member 52, and the tip of the slitting blade 23 intrudes between adjacent blade-guides 50 thereby slitting the sheet S along the longitudinal direction thereof.

Abstract: The present invention is an anvil cover latch assembly which includes a female latch member having a generally U-shaped frame. The frame has an upper segment, a side segment and a base segment with the base segment having an upwardly angled end section. The upper segment, side segment and base segment are configured to form a channel into which is cast an insert of elastically deformable material. The insert is disposed such that a locking edge is formed by an exposed portion of a lower surface of the upper segment. A male latch member has a substantially planar shoulder region which is designed to engage the locking edge on the female portion.

Abstract: A die cutter blanket covers an anvil roller and includes a polyurethane coating bonded to a sheet metal liner secured to an anvil roller channel by interlocking male and female locking portions secured to the blanket ends. The female locking portion comprises an end of the blanket coating depending from the blanket end and overlying a depending backing liner leg. Both are riveted to a first leg of an L-shaped member. An elastomeric element is secured to an end edge of the second leg via a tongue and groove and/or by bonding. The second leg and element are in interference compressive friction engagement with the channel. The male locking portion is interlocked to the inserted female portion. In other embodiments a separate compressible strip is secured in or formed part of the channel material to engage an end of the second leg. A further shim is in the channel or attached to the first leg and cooperates with the element to provide desired additional compressive frictional engagement with the channel.

Abstract: The twine cutter includes an anvil and swingable knife on opposite sides of the path of travel of the taut twine so that when the knife swings into cutting engagement with the anvil, the twine is severed. The anvil is rotatably mounted to the baler for shedding crop material and trash which would otherwise interfere with the cutting engagement of the knife and anvil. The anvil preferably presents a cylindrical cutting surface having circumferential V-shaped grooves which deflect the twine around the knife when the knife swings into engagement with the anvil for enhancing the cutting action of the twine cutter.

Abstract: The apparatus for cutting semi-rigid sheets one by one, in particular corrugated cardboard sheets, comprises a cutting tool fixed on a tool-carrier plate, a backing cylinder, at least one independent motor having electronic servo-control and rotatable in either direction driving the tool-carrier plate in its reciprocating motion, and device for monitoring rotation of the backing cylinder and connected to a controlling electronic circuit provided with an input for receiving operating parameters including at least the length l of the cutting tool. The electronic circuit is programmed so that the amplitude of the reciprocating motion is a function of the parameter l and so that the linear speed of the tool-carrier plate is constantly equal to the peripheral linear speed of the backing cylinder so long as the cutting tool is in contact with said backing cylinder.

Abstract: A machine for forming a packing material by positioning a paper material on or adjacent to a die member and forcing a multitude of cutting blades completely through the paper material and into the die member at a multitude of spaced apart locations to form a multitude of slits in the paper material. These slits allow the paper material to be pulled or expanded into a three dimensional shape that is both load bearing and resilient. In a first embodiment, the forming of the packing material is carried out in a flat die press, including upper and lower die members and with the cutting blades secured to the upper die member. In a second embodiment, the forming of the packing material is carried out in a rotary press including upper and lower rotatable rollers and with the cutting blades secured to the upper roller.

Abstract: A chopper has a rotatable cutting tool provided with a plurality of cutting teeth, a stopping body having a surface which faces the cutting teeth and guides the chopping product. The surface extends substantially in an axial direction of the cutting teeth and is arranged at a distance from the cutting teeth. The cutting teeth during a cutting process are in operative connection with the chopping product. A rotatably supported pressing roller which is arranged in a distance-free manner relative to the cutting tool and forms a gap between the pressing roller and the cutting tool, while the stopping body having a working side which extends in the gap between the pressing roller and the cutting tool.

Abstract: A removable and replaceable cover assembly for use on an anvil roll in a rotary die cutter in combination with a die roll equipped with non-serrated cutting blades consists essentially of inner and outer tubular layers of elastomeric material of different degrees of hardness, the outer layer being substantially harder than the inner layer. Since this tubular cover must be mounted on an anvil roll by relative endwise movement, the cover is disclosed in combination with a rotary die cutter having special provision for temporary removal, recovering and remounting of the anvil roll.

Abstract: A process for forming a packing material, comprising positioning a paper material on or adjacent to a die member, and forcing a multitude of cutting blades completely through the paper material and .into that die member at a multitude of spaced apart locations to form a multitude of slits in the paper material. These slits allow the paper material to be pulled or expanded into a three-dimensional shape that is both load bearing and resilient. In a first embodiment, the process is carried out in a flat die press, including upper and lower die members and with the cutting blades secured to the upper die member. In a second embodiment, the process is carried out in a rotary press including upper and lower rotatable rollers and with the cutting blades secured to the upper roller.

Abstract: A crosscutting device for a folder assembly utilizes a pair of cooperating cylinders. A cutting groove cylinder has at least one groove strip assembly on its periphery and cooperates with a cutter cylinder having a corresponding number of cutters. Each groove strip assembly includes a cutting groove component and a pressure spring component.

Abstract: The apparatus comprises, between each pair of upper and lower bearing blocks, a shim or strut which provides a support for two bearing blocks on one another. Each of the upper bearing blocks is extended, in an upper portion and toward an inside of said apparatus, by a cantilevered portion subjected to action, in a downward direction, of a pressure exerting vertical jack mounted in an upper portion of said apparatus. A vertical and transverse plane containing a central axis of each pressure exerting vertical jack is situated between a vertical and transverse plane in which is situated a shim or strut placed between the bearing blocks and a vertical and transverse plane of raceways for an upper cutting cylinder and a lower cutting cylinder.

Abstract: An anvil cylinder is severed along an axial direction of a shaft into a plurality of ring-shaped sections, and elastic bodies are fixedly secured to parts of outer circumferential surfaces of the severed anvil cylinder sections over the entire length of the cylinder. In addition, the respective anvil cylinder sections are adapted to be individually engaged with or disengaged from a knife with the aid of a rotary object. By adjusting the positions of the anvil cylinder sections, slitting slots can be formed by machining only at the portions where slitting slots are necessitated.

Abstract: A method for forming microapertures in a thin sheet material where the area of each of the formed apertures generally ranges from about 10 square micrometers to 100,000 square micrometers. The method includes the steps of (1) placing the sheet material on a pattern anvil having a pattern of raised areas wherein the height of the raised areas is greater than the thickness of the sheet material; (2) conveying the sheet material, while placed on the pattern anvil, through an area where a fluid is applied to the sheet material; and (3) subjecting the sheet material to a sufficient amount of ultrasonic vibrations in the area where the fluid is applied to the sheet material to microaperture the sheet material in a pattern generally the same as the pattern of raised areas on the pattern anvil.

Abstract: A crosscutting device for a folder assembly utilizes a pair of cooperating cylinders. A cutting groove cylinder has at least one groove strip assembly on its periphery and cooperates with a cutter cylinder having a corresponding number of cutters. Each groove strip assembly includes a cutting groove component and a pressure spring component.

Abstract: A rotary die cutter includes a rotatable anvil cylinder; and a knife cylinder made rotatable in a face-to-face relation to and in synchronism with the anvil cylinder and having knives fixed on the cutter circumference thereof for subjecting a sheet running at the central portions of the two cylinders to a predetermined cutting treatment by clamping the same together with the anvil cylinder. A thin film having a tape adhered thereto is attached removably to the outer circumference of the anvil cylinder in registration with the corresponding edges of the knife cylinder.

Abstract: A radially adjustable anvil roll assembly for use in a die cutting cylinder of a rotary die cutting press is comprised of a cylindrical sleeve having an internal bore, a shaft extending longitudinally through the internal bore of the sleeve and supporting the sleeve for rotation thereon, and an adjustable bearing assembly having pluralities of bearer rolls that engage in rolling engagement with an exterior surface of the anvil sleeve and adjustably position the anvil sleeve radially on the shaft, thereby adjusting the radial spacing between the cutting edges of the die cutting cylinder and the anvil surface of the sleeve.

Abstract: An attachment for use with existing cylinders in printing press equipment. The existing cylinder is machined to have an an annular groove around the center portion thereof. The attachment is mounted in the groove such that a scorer/perforator blade extends beyond the surface of the cylinder.

Abstract: A machine for cutting filing folders to provide identification tabs which includes the use of two rollers, a cutter roller and an anvil roller. The cutter roller has a plurality of surface cutters spaced circumferentially to cut identification tabs selectively at each end and centrally of a folder. The anvil roller has clearance areas, and also an anvil area which will cooperate with one of the surface cutters depending on the circumferential orientation of the cutter roller. The machine provides for a gear drive for the rollers and a mechanism for lifting and adjusting the orientation of the cutter roller to effect cutting of the file edges with one of the surface cutters.

Abstract: A radially adjustable anvil roll assembly is provided for use with a die cutting cylinder of a rotary die cutting press. The adjustable anvil roll assembly comprises a shaft mounted for selective and intermittent rotation on the press, and a pair of eccentrics provided on an intermediate portion of the shaft. A hollow cylindrical sleeve is mounted for free rotation on the shaft eccentrics. Rotating the shaft so that the maximum eccentricity of the eccentrics is directed toward the die cutting cylinder adjustably positions the cylindrical sleeve in its closest adjusted position toward the cylinder. Rotating the shaft 180.degree. so that the maximum eccentricity of the eccentrics is directed away from the die cutting cylinder adjustably positions the cylindrical sleeve in a radially adjusted position furthest away from the die cutting cylinder.

Abstract: Locking means for a cutting die blanket including male and female locking elements that may be quickly engaged with minimal effort. A series of shoulders, located in the female section, are provided to engage a ledge on the male section. The locking means is closed by forcing the male section into the female section through a series of steps wherein the ledge and shoulders cooperate to effect engagement.

Abstract: A replaceable cover for the cylindrical anvil of a rotary die cutter includes a blanket body of elastically deformable material, a sheet metal liner for the blanket body, and a latch assembly for securing the ends of the cover together in a lengthwise slot in the face of the anvil roll. This cover is particularly designed for use with a prior art anvil roll wherein the slot in the face of the roll has opposed parallel sides which extend at right angles to the bottom of the slot, and each of which is provided with a groove along its lower edge that forms an extension of the slot bottom. The latch assembly includes a channel member having one side secured to one end of the blanket liner so that the open side of the channel faces the other end of the blanket body for interlocking cooperation with a latch member integrally formed on the other end of the blanket body.

Abstract: A web scoring and/or perforating apparatus for signature folding machines or the like including first and second rollers. Each roller has a scoring or perforating blade portion and a resilient roller portion. The rollers are mounted, preferably, on existing, rotatably driven nip roller shafts, upstream of web folding stages in web handling systems. The blade portion of one roller is arranged to interact with the resilient portion of the other roller. Arc lengths of the scoring or perforating roller blade portions and the resilient roller portions are substantially equal to each other and to the fold line of a signature. The rollers, between which the web is advanced, are positioned and oriented to score or perforate portions of the web in alternating directions which correspond to the direction of folding of each layer of the web.