Abstract: A vertical curtain cutter includes at least a base and a mold cutting device fixed on the base, which consists of a clamper, a knife and a motor. The clamper has a stationary clamp block and a movable clamp block, and the stationary clamp block has a flat clamp surface at one side and a curved clamp surface at other side. As a result, the movable clamp block and the stationary clamp block can clamp between them the rolled curtain cloth or folded-up curtain cloth. The cloth is vertically inserted by reversing the flat surface and the curved surface of the stationary clamp block. The motor can drive the knife to shift towards the curtain cloth and cut it, so that the cutter is able to cut either rolled or folded-up curtain cloth into multiple curtain pieces.

Abstract: An apparatus (10) for shearing off reinforced concrete piles and metal piles, casing and conductor pipes, and crushing reinforced concrete piles has a frame (11) with first and second ends and a cutter blade (41) movably mounted on the frame driven by hydraulic rams (21) between a retracted position adjacent to the first end and an extended position toward the second end. An abutment gate (30) pivotally mounted and latched at the frame second end has vertically spaced first and second abutment surfaces (52A, 52B) and first and second horizontal shearing surfaces (53A, 53B) disposed in parallel vertically spaced relation defining an opening (51) therebetween through which the cutting edge (41B, 41C) of the blade passes. Removable crushing attachments (60A, 60B) allow crushing of concrete piles, and removable arcuate abutment attachments (54) accommodate cylindrical piles, casing and conductor pipes.

Abstract: A blade material cutting device has a stationary blade part with a pair of front and rear support faces which are separated from each other by a gap. A pair of opposed front and rear stationary edges are disposed in the pair of support faces. A movable blade part which moves between the members of the stationary blade part. The movable blade part includes movable edges which cooperate with the stationary edges for cutting the blade material.

Abstract: A blade stabilizer device for a heavy-duty material handling demolition tool for shearing and crushing scrap material which includes a lower jaw connected to the boom structure of a hydraulic system of an excavator has an upper jaw pivotally connected to and closable upon the lower jaw at a pivot point. The blade stabilizing device consists of a wear guide pad supported by the lower jaw adjacent the pivot point slidably engaging the movable upper jaw to keep the upper jaw in close engagement with the lower jaw. The wear guide pad is mounted behind the pivot point. A second wear guide pad may be mounted in front of the pivot point on the opposite side of the upper jaw to cross-brace the upper jaw.

Abstract: A shear assembly for a roll forming machine which forms a rain gutter. A pair of coplanar blade members separated along a vertical line are caused to first move vertically downwardly, then have their lower ends pivot outwardly and, finally, have their upper ends pivot outwardly. The last motion is accomplished with enhanced mechanical advantage to cut through multiple layers of metal at the upper end of the gutter.

Abstract: An apparatus for trimming scrap from an aluminum sheet metal blank is provided. The apparatus includes a clamping base comprising a clamping base engagement surface positioned between a clamping base upper surface and a clamping base bottom surface. The clamping base engagement has a clamping base vertically orientated portion and a clamping base angled portion. A steady blade is mounted to the clamping base. The steady blade and the clamping base form a contiguous angled engagement surface. The steady blade engagement surface forms a steady blade trimming edge. An elastic scrap support and an upper clamping element are included. A moving blade includes a moving blade trimming edge formed by the intersection of the moving blade blade-side surface and the moving blade engagement surface. The moving blade engagement surface distributing strain on the aluminum blank as the moving blade trimming edge separates the scrap element from the aluminum blank.

Abstract: A method for removing from a carrier a carrier part with a housing arranged thereon, wherein prior to performing the separating operation a notched line is arranged in the carrier on at least one side of the carrier along at least a part of the length of a separating edge to be arranged. The invention also relates to a carrier part with a housing arranged thereon, which carrier part contains openings on the side of the carrier remote from the housing which are filled with encapsulating material, manufactured with the present method. The invention moreover relates to an apparatus for performing the method.

Abstract: Cutter suitable for artificial flower stems. Typically, plastic coated wire stems are cut with hand cutters to various lengths in preparing artificial floral arrangements. The invention requires far less physical effort by the operator than is required when using conventional wire cutters. In the preferred use of the preferred embodiment of the invention, an uncut stem is inserted crosswise through two elongated holes in the guard housing. When the cutter jaws open, the stem is pushed into the open jaws and is cut to a desired length from the flower end when the jaws close. In the preferred embodiment of the invention a gear reduction motor drives an arm and cam roller assembly. That cam roller forces the top handle of the cutter downward causing the jaws to close. As the cycle continues, the cam roller raises and a spring causes the jaws to open.

Abstract: A cutting device includes a cutter rod, and a movable cutting tool of a length greater than the diameter of the cutter rod. The movable cutting tool is prevented from cracking and breaking. A movable cutting tool (7) has protruding parts (7b) protruding radially outward from a large-diameter part (40b) of a cutter rod (4) and having cylindrical surfaces (7c) of a cylinder of a radius equal to that of the large-diameter part (40b). The movable cutting tool (7) is attached to a flat surface (40c) formed in the cutter rod (4) with the cylindrical surfaces (7c) in close contact with the circumference of the large-diameter part (40b) of the cutter rod (4) to bear external force exerted on the protruding parts (7b) by the cutter rod (4).

Abstract: An improved corner cutting structure, having a knife seat and a base pivotally connected to the knife seat. The knife seat has an inwardly recessed notch and a receiving slot formed on a periphery. The receiving slot provides the support of a blade. The base has a supporting platform and a cutting board. The cutting board and the blade of the knife seat are correspondingly installed with each other, and the supporting platform is placed underneath the notch. Thereby, when a card is disposed on the supporting platform, the knife seat is pressed rotating to move the blade downward, so as to cut the corner of the card.

Abstract: A sheet punching device that cuts holes in a sheet while punches are entering die holes, in which a plurality of punch trains along each of which a plurality of punches are aligned on a rotating shaft in parallel with the rotating shaft are disposed in the rotation direction of the rotating shaft, and the die holes are disposed in correspondence with the punches of the punch trains.

Abstract: A broken trim die tool detection sensor. The lands of the tie bar die connect with the leads of the unit to form switches. The states of these switches indicate broken die lands or other malfunctions.

Abstract: In order to selectively reinforce portions of a material web, a cutting and laminating device efficiently produces the required reinforcing strips and then laminates them to the web. In order to efficiently and accurately produce these reinforcing strips, a cross web shear is utilized which is capable of cutting required reinforcing strips from the fairly large web of reinforcing material in an accurate manner. Once cut, a holding and positioning device is capable of grabbing onto the reinforcing strip and appropriately positioning it next to the primary material web. A separate laminator can then attach this reinforcing strip to the web at a desired location.

Abstract: A method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. A highlight of the present invention is the ability to select between at least two configurations of punch holes automatically, without manual adjustment, and “on-the-fly” without interruption of the sheet or paper flow. The perforation method utilizes two rotatable punches set at different angles such that when one intersects the sheet path, the other clears the sheet path. The speed of rotation is controlled such that the non-selected punch intersects the sheet path in a space between pitches.

Abstract: A method and apparatus are provided for reducing or eliminating sliver formation during aluminum sheet trimming operations. By controlling parameters such as trimming angle and cutting blade clearance, aluminum sheet can be trimmed while substantially eliminating the formation of slivers which damage the surface finish of the part. Cutting angle and clearance are preferably selected such that a wide range of cutting blade sharpnesses produce satisfactory cuts. The method and apparatus are particularly useful for trimming aluminum autobody sheet.

Abstract: A roll shaft 26 supporting rolled paper 20, such as toilet paper rotatably thereon, a pair of feed rollers 32, 34 for paying out the free end portion of the rolled paper 20 which has been paid out continuously from the rolled paper 20, and a driving unit for rotating the feed rollers 34 are provided. A pay-out rate control unit for automatically controlling the portion of the rolled paper 20 which has been paid out to a position beyond the two feed rollers 32, 34, in such a manner that the paid-out portion of the rolled paper 20 is further paid out by a length at a time corresponding to that of one unit of use thereof is included.

Abstract: An apparatus for removing tiebars of a lead frame after one or more semiconductor components have been encapsulated in a resin to form a package body includes first and second removing stations. The second removing station is provided for removing scraps that may be left between leads of the lead frame after the tiebars have been removed in the first removing station. In the second removing station, the lead frame is positioned on a die. A scrap-cutting punch is moved relative to the die so that projections of the punch are fitted into corresponding holes of the die, thereby pushing the scraps out of the leads and into the holes.

Abstract: A cutting machine for a Venetian blind comprising a head rail, a bottom rail, and a plurality of blind slats. The cutting machine comprises a body defining a head rail opening, a bottom rail opening, and at least one blind slat opening, a plate for cutting the head rail, a blade assembly for cutting the bottom rail the blind slats, and a drive mechanism. The drive mechanism is operatively connected to the plate and the blade assembly causing the plate to cut the head rail while, at the same time, causing the blade assembly to cut the bottom rail and the blind slats.

Abstract: A material cutting and feeding machine for cutting and perforating a roll of paper. The material cutting and feeding machine includes a generally rectangular frame. A material feeding roller is mounted to the frame. The feeding roller is adapted to hold a roll of paper. A motor is adapted to rotate a draw roller assembly that draws the paper from the paper roll. A cutting assembly is mounted adjacent to the draw roller. The cutting assembly comprises a latitudinal perforating bar adapted to perforate the paper along a width of the paper, a perforating wheel adapted to perforate a length of the paper, and a latitudinal cutting bar adapted to cut the paper along the width of the paper. A guide roller assembly comprised of four rollers and two guides is orientated to feed the paper from the paper cutter to an exit in the frame.

Abstract: A device and method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. The improved sheet punch including two rotatable punches set at different angles such that when one intersects the sheet path, the other clears the sheet path. The speed of rotation is controlled such that the non-selected punch intersects the sheet path in a space between pitches.

Abstract: A film cutter is provided for use in an industrial process in which a vertical blade and a horizontal blade interact. The vertical blade is mounted to move slidingly in a vertical plane and an end of the vertical blade rests upon the horizontal blade. The horizontal blade is mounted at an acute angle to the vertical blade. In the cutting process, the horizontal blade is moved in a direction that is perpendicular to the vertical blade so as to maintain the acute angle between the cutting edges substantially constant while the cutting intersection moves along the blade length.

Abstract: A corner trimming device includes a base having a seat and a platform to support sheet members to be cut or trimmed, the base includes a channel formed between the seat and the platform. A cutter blade includes a bar engaged into the channel of the base and secured between the seat and the platform and includes an opening to form an angle arm having an inner rounded corner edge formed as a movable cutting edge. A handle is pivotally secured to the base and engaged with the angle arm, to move the cutting edge of the cutter blade downwardly beyond the rounded corner edge of the seat, and to cut or trim corner portion of the sheet members.

Abstract: A die cutting apparatus for forming die cuts from paper and other materials includes a metal base plate defining at least one channel therein for receiving at least one blade. The blade has a desired shape to provide a cutting edge with a predetermined contour to substantially match the contour of the at least one channel. The blade is welded to the base plate to secure it relative thereto and extends above the base plate to provide an exposed edge for cutting paper and the like into the predetermined contour. A covering is provided over at least a portion of the back surface of the base plate.

Abstract: A cutting or trimming knife for cutting or trimming the edges of sheet members is bi-directional and capable of moving downwardly and in a first lateral direction, or alternatively downwardly and in a second opposite lateral direction. The knife is held by a guide mechanism capable of shifting between first and second positions to cause the bi-directional movement of the knife.

Abstract: A method and apparatus for sizing window coverings slidably extendable from a bay into an aisle of a retail outlet. The method includes the steps of locating the center of the window covering relative to a cutting station utilizing a half scale for removing a portion of the window covering from each of its ends.

Abstract: The apparatus for trimming sheet material includes a top knife and an opposing bottom knife for trimming sheet or web material passing between the top and bottom knives. The top knife defines a negative rake angle with a substantially vertical plane passing through a cutting edge of the bottom knife. The negative rake angle may be between about −10° and −30° and, more preferably, between about −12° and −20°. The top and bottom knives may be disk or block knives.

Abstract: A cutter device has a movable blade, a stationary blade, and a clutch mechanism having a driven gear mounted for undergoing rotation in clockwise and counterclockwise directions and a driving gear for rotationally driving the driven gear about a rotational axis. A cutter drive mechanism has a rotation device connected to the clutch mechanism so that through one complete rotation of the driven gear the rotation device reciprocally moves the movable blade between a first region in which the movable blade is spaced apart from the stationary blade and a second region in which the movable blade cooperates with the stationary blade to cut recording paper. A rotation regulating device regulates rotation of the driven gear in the counterclockwise direction when the movable blade is in the first position.

Abstract: A guillotine type stud cutter with a frame with side rails and a guillotine blade slidably mounted between the rails has spaced, fixed, parallel, stationary die plates secured transversely between the side rails. Immediately inboard of the stationary die plates, sets of spaced parallel shear plates are slideably mounted for movement transversely of the side rails and toward and away from one another. The shear plates have opening defined by wall margins with sharp edges substantially perpendicular to an inside surface of the shear blades, to receive sheet metal studs of different sizes.

Abstract: An apparatus for trimming the width of blinds of the type having a headrail, and a bottom rail and blind slats, and having a support body with a headrail opening, and a bottom rail opening, and a blind slat opening the blind components being insertable into their openings from one side of the support body, a die located adjacent to the support body, a headrail cutting recess in the die, guides on the support body for the die, enabling the die to move relative to the headrail opening between two positions and a bottom rail and blind slat cutter operable to cut the bottom rail and the blind slats. A modified apparatus can be used to trim the width of a vertical blind having a headrail and control rods. Also disclosed is a method of trimming the width of blind, having a head rail, a bottom rail and blind slats.

Abstract: A method for cutting an elastomer cable into ultra-precise, defect-free segments of consistent length, and an apparatus to perform the same. The invented apparatus comprises cable advancement, cable clamping and cable shearing systems. The cable advancement system comprises rollers with a groove substantially matching the diameter of the cable. The cable clamping system comprises a pair of dies with a preferably conical feed hole and a clamping hole substantially matching the diameter of the cable. The cable shearing system comprises a preferably extra keen coated cryo treated movable razor blade that is held at an adjustable angle against the face of the clamping dies and slides in a linear path at a low sawing angle. In one embodiment, a second razor blade for nicking the cable prior to shearing—on substantially the opposite side of the cable from where shearing begins—is used to prevent tears in cable slices. The invented apparatus can be manually operated, or it can be motorized.

Abstract: A die cutting system that includes a press and a substantially planar die with a plate and at least one cutting edge protruding from a surface of the plate. The press is manually operated and may be hand-held or supported upon a flat surface, such as a tabletop. A first member of the press receives the substantially planar die, while a second member of the press provides support for a sheet of material from which the die will cut a pattern upon biasing the die against the sheet of material. Manually operated presses and die cutting methods that employ teachings of the invention are also disclosed.

Abstract: A punching apparatus (1) with a punch (2), provided with a guide part (6), guided in at least one guide element (8), the guide part supporting a punching edge (18) near a first end, leading in the direction of movement of the punch, and a manufacturing apparatus for products, comprising a multiple tool part for simultaneously forming, at least processing, a series of production, punches being arranged with respect to each other such that the position of foil elements cut out during use corresponds to the position in which they are to be placed on or in the tool part.

Abstract: The cutting apparatus according to the present invention is adapted to cut off with a pair of cutting members a part to be cut off of each lateral seal portion of series-connected packaged bags in which packaged bags containing a material sealed therein by heat sealing a packaging film are continuously formed, the cutting members being formed of a rotatably provided rotary blade, and a receiving blade provided so as to face the rotary blade, the receiving blade being provided with a transfer mechanism adapted to be moved forward and rearward synchronously with a rotation of the rotary blade. Therefore, the series-connected packaged bags can be transferred with the portions swollen due to a packed material of the bags not contacting the receiving blade. This enables the cutting apparatus to transfer the series-connected packaged bags stably without hurting the packaging film.

Abstract: A cutter mechanism for use in a printer. The cutter mechanism includes a base and a cutter blade slidably fixed relative to the base. The cutter blade is movable along a cutting path in a first direction between a retracted position and a forward position through a cutting position. A breaker bar is fixed relative to the cutter blade, and is spaced from the cutter blade when the cutter blade is in the retracted position to define a web path between the breaker bar and the base. A first biasing member urges the blade in a second direction away from the breaker bar to completely disengage the blade from the breaker bar. The second direction is not parallel to the first direction.

Abstract: A metal sheet is formed with a target shape portion, a remaining portion surrounding the target shape portion and elongated portion(s) joining the target shape portion with the remaining portion. An apparatus cuts out the target shape portion from the metal sheet by shearing the joint portion at a region bordering on the target portion. The apparatus includes a blade member movable to a position below the joint portion and a fixed blade member for pressing the joint portion from above. The apparatus, being placed at a fixed position, rotates or linearly moves the movable blade member with respect to the fixed blade member to shear the joint portion at the region and bend a sheared-side end of the joint portion upward.

Abstract: A tube cutting assembly has a pair of opposite, rotatable cutting wheels, the outer of which is movable into engagement with a rotatable tube for cutting through the tube wall. Each cutting wheel is provided with a peripheral elastic ring which is configured to engage the tube wall and which is compressible towards the opposite cutting wheel. As a result, undesirable deformations of the cut tube end are avoided.

Abstract: A device for destroying signals stored on compact disk includes a base, a punching pin, and a push lever. The base has a top stub for engaging with a central hole of a compact disk positioned on the base, a through hole corresponding to a Start Lead In (SLD) area on the compact disk, and an L-shaped arm portion holding a spring mechanism. The punching pin is vertically movably mounted in the spring mechanism and aligned with the SLD area, and the push lever is pivotally connected at an end to one side of the arm portion for pushing against an upper end of the punching pin. When the push lever is pivotally pushed downward, the punching pin is driven downward to punch a hole on the SLD area and ruin lead-in signals recorded thereon, preventing data stored on the compact disk from being read and disclosed.

Abstract: A recording paper is cut such that the movable-blade holding member 17 of a resin holding the movable blade 15, which is rotatably provided in a supporting section, is driven to rotate by a drive section so as to shift a cutting position formed between the cutting edge 14b of the stationary blade 14 and the cutting edge 15a of the movable blade 15. Thereby formation of a support axis in the movable blade 15 is not needed, as needed in conventional movable blades. In addition, because the movable-blade holding member 17 folding the movable blade 15 is of a resin, it can be die-formed.

Abstract: A plate-shaped shearing knife is provided made of hard metal for shearing off allotments of liquid glass. The hard metal of the shearing knife has a thermal conductivity of at least 85 W/mK. Next to a V-shaped or circular-shaped cutting region -2-, there are edge regions on both sides that do not flare out wedge-like, and have an average width b which is in a range of 5% to 30% of the total width of the shearing knife B in this section.

Abstract: A gear drive system for a printer designed to print upon a continuous roll of paper and having a blade used to cut off printed portions of paper from the paper roll is implemented. The gear drive system consists of a drive shaft 330, a slip clutch 401, a clutch gear 116, a drive gear 110, and a staggered gear 112 which controls the paper cutter blade 106. During printing, clutch 401 allows the drive shaft 330 shaft to slip relative to the clutch gear 116. When printing stops, clutch 401 locks clutch gear 116 which is engaged with the first portion of staggered gear 112 and causes staggered gear 112 to rotate until the second portion of staggered gear 112 engages the drive gear 110. Staggered gear 112 is then driven by the drive gear 110. A cutter blade is controlled by staggered gear 112, with the blade cutting off the paper as the drive gear 110 is in reverse rotation.

Abstract: An apparatus for cutting a window covering including a head rail, a bottom rail and slats includes a base having a substantially flat cutting surface, and a frame overlying the cutting surface. The base includes a clamping assembly for securing the window covering atop the cutting surface with the bottom rail, slats and top rail in a side-by-side arrangement over the cutting surface. The apparatus includes a cutting assembly having a cutting blade with a cutting edge for sliding along a movement axis having a first component of movement extending in a direction substantially parallel to the cutting surface and a second component of movement extending in a direction substantially perpendicular to the cutting surface. A driver is connected with the cutting assembly for moving the cutting blade toward the cutting surface, wherein the cutting edge simultaneously cuts through the bottom rail, the slats and the head rail.

Abstract: A clearance between an upper knife and a lower knife of a slitter is set at 30 to 100 &mgr;m, and the slitter cuts a sensitized printing plate. In the sensitized printing plate cut by the slitter, there is a shear droop which is 20 to 30 &mgr;m high at the cut part, and a burr which is less than 50 &mgr;m high. If the maximum height of a surface roughness of a cut surface of the sensitized printing plate is 1.2 &mgr;m to 12 &mgr;m on the average, a hydrophilic property of the cut part improves and the stain of a frame can be decreased.

Abstract: Apparatus and methods for cutting carpet pile are disclosed as including a clipper having a driver, a reciprocating blade and a fixed blade. The fixed blade and the reciprocating blade define an area there between. The fixed blade has a bore passing through the blade and into the area. A fluid supply, connected to the bore, supplies fluid through the fixed blade and into the area. A manifold, attached to the fixed blade, can be used to pass fluid through the fixed blade into the chamber. In such an embodiment, the manifold includes a passage communicating with the bore and the fluid supply. In another embodiment, an orientation mechanism is used to orient the carpet clipping head. In this embodiment, the orientation mechanism includes a base bracket and a pivot bracket. The pivot bracket is pivotally attached to the base bracket at a pivot point. The carpet clipping head is attached to the pivot bracket so that movement of the pivot bracket causes the carpet clipping head to pivot about the lead prong.

Abstract: Bond-wire cutting device for cutting off the part of a bond wire that extends beyond the bonding contact area after a bonded connection has been produced, with a knife that can be moved with a movement component perpendicular to the surface of a substrate and hence to the bonding contact area, wherein the knife is mounted so as to be yielding with respect to the movement component perpendicular to the substrate surface, so that the force acting on the cutting edge of the knife when the knife encounters the substrate is limited to a prespecified peak value.

Abstract: A die cutting block for forming die cuts from paper and other materials includes a base portion having a recess formed therein having a desired shape formed therein, an insert portion having an outer contour which substantially matches the contour of the recess and a blade interposed between and tightly held between the base portion and the insert portion. The blade extends above the base portion and insert portion to provide an exposed edge for cutting paper and the like into a desired shape.

Abstract: It is to provide a paper cutter which can tear an uncut portion of paper easily and prevent from reeling out the paper from the device even when the uncut portion of the partial cut paper is pulled straightly.

Abstract: Shears for cutting off sections from a material tape, especially a steel cord tape, pulled through by means of a material gripper of a gripping device, with a stationary lower knife and an upper knife, which can be moved relative to the lower knife, and a delivery belt, consisting of a plurality of parallel sectional belts, below the upper knife is disposed, an overarm, which laterally embraces the sectional belt of the delivery belt lying above it, being disposed, which supports the material tape during the cutting process and can be moved downward with the upper knife, the trailing end of the cut-off tape section being clamped and secured in position.

Abstract: Shears for cutting belt material, especially corded belts, with a movable upper knife and a stationary lower knife, a discharging conveyor belt and an upstream, pivotable depositing table and a drawing-in device for the belt material, wherein a metal shifting sheet, displaceable in the conveying direction of the belt, is mounted on the depositing table between the depositing table and the belt material.

Abstract: A rotary torsion cutting apparatus is provided for cutting an article. The cutting apparatus includes a first plate member having a front face, a back face and a side face. The first plate member further includes a central axis and a first opening extending from the front face to the back face of the first plate member. The first opening is shaped and dimensioned for receiving an article to be cut by the rotary torsion cutting apparatus. The cutting apparatus also includes a second plate member having a front face, a back face and a side face. The second plate member further includes a central axis aligned with the central axis of the first plate member and a second opening extending from the front face to the back face of the second plate member. The second opening is shaped and dimensioned for receiving an article to be cut by the rotary torsion cutting apparatus.

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.