Abstract: A method of manufacturing packaged curved edge cigarette rolling papers including stacking a cigarette rolling paper blanks to form a leaf stack. The leaf stack is enclosed within a folded cover to form a covered leaf stack. A band is wrapped around the covered leaf stack to hold the leaf stack in alignment with the cover while the cover and leaf stack is die cut to form packaged curved edge cigarette rolling papers. The curved edge is continuous arc, for example an elliptical arc which eliminates the corners that can interfere with cigarette hand rolling.

Abstract: A knife assembly for attachment to an industrial paper trimming or cutting machine having a primary blade and a backbone blade where the cutting edge of the backbone blade is offset at an angle ? from the cutting edge of the primary blade. The knife assembly is removably attached to a cutting machine configured to move in a reciprocating motion to trim edges from soft bound single paper products.

Abstract: A binding machine includes a body, an actuator coupled with the body, and a punch mechanism housed in the body for punching a stack of sheets upon actuation of the actuator. The punch mechanism includes a plate including a plurality of punch pins. The punch pins are configured to punch through the stack of sheets during a punch stroke, the punch stroke defining a force profile. A portion of the force profile defined from a first drop in force to a last peak force before a final decrease has no more than a 15 percent change in force relative to a normalized maximum force of the force profile.

Abstract: Veneer cutter, wherein the cutting is provided by a blade, the front rake face thereof being movable to pass a stationary counter blade, substantially in a perpendicular direction to the plane of the veneer. The cutter includes two blades in a common cutting movement and arranged at a distance from each other in the feed direction of the veneer. The cutting blades are located with their front rake faces facing away from each other, and the first blade in the feed direction is positioned at a higher elevation from a common plane of the counter blades than the second blade.

Abstract: The invention relates to a process and a device for producing a contour of a planiform piece, intended, in particular, for the internal trim of motor vehicles, in which the piece (1) is cut to define at least an apex (2) of the contour (3), having a given profile P, and a side (4), or so-called first side, of the contour (3) extending from the apex (2). According to the invention, there are carried out sequentially: on one hand, cutting of the piece (1) to produce simultaneously at least the apex (2), according to the profile P, and to cut the first side (4) over a portion, referred to as a fraction F, of its length extending from the apex (2); on the other hand, at least another operation of cutting the piece (1) to produce the first side (4), including at least a portion at least of the fraction F.

Abstract: The present invention generally provides a blind trimming apparatus including a frame supporting a cutting tool, the cutting tool including a cutting edge, a blade holder supported on the frame for movement with respect to the cutting tool along a cutting path, and a blade insert including a cutting edge and being connectable to the blade holder for movement with the blade holder with respect to the cutting tool to trim blinds between the cutting edge of the cutting tool and the cutting edge of the blade insert. One of the blade holder and the blade insert defines a locating recess and the other of the blade holder and the blade insert includes a locating protrusion, which is engageable in the locating recess to align the blade insert with respect to the blade holder.

Abstract: A food slicer 10 of the present invention contains a hollow body 12 having an inner wall 13 defining an interior 17 and an outer wall 15 for containment of a food product therein. A plurality of blades 32 extends across the interior 17 of the body thereby cutting a food product biased against the blades 32 into a plurality of portions.

Abstract: A hole punch has a length in a first direction, a plurality of punch blocks each having a sinusoidal first guide surface, a slider movable along a frame in the first direction, and a roller connected to the slider at a position to engage the first guide surface of each punch block. Each punch block is fixed in the frame in the first direction and is moveable in the frame in a second direction perpendicular to the first direction. Each punch block also includes at least a punch head facing the second direction, and a retracting mechanism for urging the punch block in opposite the second direction to an initial position. When the slider moves in the first direction along the frame, the roller pushes the first guide surface near the middle of the punch block moving the punch block in the second direction to punch holes.

Abstract: A slideable hole punch, having an upper seat, at least one drill set and a lower seat. The upper seat has a slide track allowing one slide member to move thereon. The upper seat is fitted over the lower seat. The lower seat accommodates the drill set and has an internal slot. The drill set is disposed between the upper and lower seats. A paper slot is formed between the upper and lower seats. Thereby, paper can be disposed in the paper slot and slide along the slide track by the slide member. The slide member can then press upon the drill set to perforate through the paper to form holes with desired shapes and distances.

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: 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 rotary punching apparatus for punching openings in a moving web workpiece the openings having a predetermined length along the longitudinal axis of the web and having a pair of die assemblies located on opposite sides of the path of the web and a drive for rotating the assemblies, a leading die mounted on one assembly, and being moveable for generally radially so as to punch a die opening through the web, a mating die recess punched in the other of the assemblies; and, a trailing die adjacent to the leading die, being located to punch the web at a point adjacent the punched die opening so as to punch a second die opening in the web, the first die opening and the trailing die opening together defining a continuous opening having a predetermined length along the web. Also disclosed is a method of rotary punching by use of such apparatus.

Abstract: A cutting machine of dual blade feeding for a blind of foamed plastics, more specially a cutting machine providing the cutting application for the blind of foamed plastics that includes a filing board with a squeezing blade and a trimming blade mounted relative to the cutting end. The squeezing blade and the trimming blade respond to a shiftable tool block. During the cutting process, when the squeezing blade and the trimming blades move respectively, the shifting corresponding to the shifting status of the tool block can be used to provide the two cutting tools with the resistant force of press cutting to align to the angular position to produce an evenly cut end of the foamed plastics.

Abstract: The invention relates to a method of manufacturing perforating tools, as well as perforating tools manufactured according to the method. The tool is manufactured in that a number of blades (2) are placed densely packed together in a bracket. The blades (2) are, along their one longitudinal side, serrated with a large number of teeth (3). The serrated sides of the densely packed blades (2) form a serrated surface (5). The serrated surface (5) is processed such that the teeth (3) are removed from selected surfaces (8) of the serrated surface (5) and that the remaining teeth (3) form a perforation pattern (7).

Abstract: A method of forming a plurality of holes of fine diameter d in a brittle material at fine intervals &agr; includes the steps of forming at least two holes having a fine diameter d at intervals A in the brittle material through the use of punches. The intervals A are at least two times the fine interval &agr;. Holes are then subsequently punched between the previously punched holes at intervals A without removing the die punches used to form the previous holes. The distances between the previously punched holes and the subsequently punched holes measure at least the distance corresponding to the fine interval &agr;.

Abstract: A paper punch includes a base and a raised portion extends from a top of the base. A handle is pivotally connected to the base. Two passages are defined through the raised portion and two punch head assemblies are respectively received in the two passages. Each punch head assembly includes a post and a punch blade. A lower edge of each of the punch blades has two tips and a recess is defined longitudinally in a lower end of each of the punch blade. A spring is engaged in each of the recesses of the two punch blades.

Abstract: A press punching apparatus makes many holes at the same time and changes an arrangement of the holes without changing a punch block and a die block. A punching mold is provided with a plurality of punches having different lengths. A travel distance of the mold is adjusted so that a first part of the punches penetrates a work piece to be punched in a first stroke. Then, the travel distance of the mold is changed so that the work piece is punched by a second part of the punches other than the first part of the punches in a second stroke.

Abstract: A blind cut-down apparatus for cutting and sawing a blind having at least a head rail component, and blind slats suspended from the head rail, and having a blind holding plate with an opening for holding the components in position for cutting, a slat cutting saw moveable relative to the holding plate for cutting blind components held in the holding plate, and including a movement device for moving the cutting saw and the cutting die holder. Also disclosed is a method of saw cutting ends of blind components in which the blind components are held in a head plate and in which a saw balde cuts the components.

Abstract: A blind cutting machine including a working bench, a mold, a blade tool mechanism, a power mechanism and a restriction mechanism. The working bench is formed with an escape slot and a middle portion of the working bench is marked with scales. The mold is L-shaped. An upper end of the vertical section of the mold is formed with a forward extending outer slide rail and three perforations with different profiles in accordance with the profiles of the weight board, slat and upper beam of the blind. A horizontal section of the mold is formed with several thread holes. The blade tool mechanism includes a weight board blade tool, a slat blade tool, an upper beam blade tool and two pull bar assemblies. The power mechanism includes an eccentric wheel, a pivot shaft, a handle, two locating seats, a linkage assembly and a pulley. The restriction mechanism includes a thread rod, a restriction bar, two support members and a crank.

Abstract: A punch is disclosed in which cams at the opposite ends of a rotary shaft move a spring returned mechanism so as to apply a force to a number of punches which are aligned across a pressure plate and movable towards a die plate for punching sheets of paper fed between the pressure plate and the die plate upon each revolution of the shaft and the cams, the punches being formed and supported by the pressure plate so as to progressively enter the sheet of paper to allow for a reduction in the motor force required for performing a punching operation.

Abstract: An apparatus for trimming the width of blinds in which the blinds have a headrail, and a bottom rail and blind slats, and the apparatus has a support body with a headrail opening, and a bottom rail opening, and a blind slat opening in which the blind components are insertable from one side of the support body, a die plate located alongside the support body, a headrail cutting recess in the die plate, guides on the support body for the die plate, guiding the die plate to move relative to the headrail opening between two positions and the apparatus having a bottom rail and blind slat cutter which operates 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.

Abstract: A method for trimming the width of blinds of the type having a headrail, a bottom rail and blind slats, by an apparatus having a support body with a headrail opening, and a bottom rail opening, and a blind slat opening, the headrail, bottom rail and blind slats being inserted into their openings from one side of the support body, and cutters located alongside the support body for cutting the blind components for cutting the ends of the components, and in which the blind slats are arranged in two bundles separated by a spacer. A method for trimming the width of a vertical blind having a headrail and control rods is also disclosed.

Abstract: A tape processing device has a feed device, a cutter assembly, and a coating device. The feed device feeds a tape having a layer of an adhesive. The cutter assembly has at least one cutting blade and cuts the tape. The coating device applies an adhesion-preventing liquid on the at least one cutting blade of the cutter assembly to thereby prevent any of the tape and the adhesive of the tape from adhering to the at least one cutting blade of the cutter assembly.

Abstract: A cutting apparatus is disclosed for cutting a workpiece. The cutting apparatus includes a base that includes a support to support the workpiece, and a cutting blade pivotally connected to the base that includes a first cutting edge and a second cutting edge. The cutting apparatus further includes an operator connected to the cutting blade to operate the cutting blade to cut the workpiece.

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 plate located adjacent to the support body, a headrail cutting recess, and a bottom rail cutting recess in the die plate, guides on the support body for the die plate, enabling the die plate to move relative to the headrail and bottom rail openings between two positions. A modified apparatus can be used to trim the width of a vertical blind having a headrail and control rods.

Abstract: An apparatus for cutting a sausage product has an elongate, generally cylindrical housing and a generally annular cutter member. The housing has an axis, a circumferential side wall with radial inner and outer surfaces, and first and second axial ends. The housing defines a cutting chamber sized for receiving the sausage product, and the side wall includes a plurality of elongate, generally parallel axial slots extending therethrough. The slots are generally equally spaced from each other around the circumference of the side wall. The cutter member has an axial length and a curved inner circumferential surface with a diameter at least slightly greater than that of the outer surface of the housing side wall.

Abstract: A punching device comprises a housing carrying a main punch body in the form of a plate mounted for rectilinear sliding movement, the punch body comprising a driving rack extending downwardly along each side, and a plurality of integral punch members projecting downwardly in a staggered array, the punch members being waisted. The device comprises an operating handle pivotally mounted on the housing carrying drive pinions engageable with the racks, so that by movement of the handle, the punch body may be raised and lowered. The punch body additionally carries auxiliary punch members, each being mounted on the punch body for longitudinal sliding movement relative thereto.

Abstract: A method and a device for joining rubber sheets. A pressing disk having a shape that a cutting disk is cut at an edge thereof by about 0.7 mm to 1.0 mm joins with pressure edge parts of unvulcanized rubber sheets which are stackably aligned with one another and clamped. The cutting disk cuts the joined edge parts of the rubber sheets. Another pressing disk having a shape that the edge of the cutting disk is cut by about 0.7 mm to 1.0 mm is moved on the cut edge parts along the cutting line in the same manner as the cutting disk, thereby securely joining the joined parts by pressing them again.

Abstract: A cutting die and chisel for cutting a stack of material such as paper and the like. The cutting die has a cutting edge for cutting a central portion in the material and the chisel has a cutting edge for cutting the excess peripheral portion of the stack so that the peripheral portion does not interfere with the cutting of the central portion. The chisel has a body portion for receiving at least one magnet so that the chisel may be magnetically attached to the periphery of the chisel.

Abstract: A punch for making a multiplicity of holes in a line even through a multiplicity of sheets of paper put one upon another includes a multiplicity of vertically disposed and vertically movable cutting tools supported in a row by a horizontally disposed rail. Each tool is provided with a horizontally disposed actuator pin attached to it at right angles to it. A slider is slidable along the rail for causing the pins to move the tools vertically one after another. The slider has a pair of curved guide grooves in which the opposite ends of each pin are engageable, or a roller having a pair of annular surfaces which are engageable with the opposite ends of each pin, so that the pins and thereby the tools may be vertically movable.

Abstract: As a cutter having first and second cutter blades is driven toward a molded ceiling consisting of a base material and a surface material which is attached to the base material in a stretched state, the surface material is first cut by the first cutter blade which is adapted to cut the molded ceiling at a position outside of a predetermined trimming or cutting position such that the trimmed or cut end of the surface material is inclined to have a flat triangular sectional shape. Then, the inclined end of the surface material is cut off together with an excess portion of the base material by means of the second cutter blade which is adapted to cut the molded ceiling at the predetermined trimming or cutting position.

Abstract: Compressive force transmitting coupling (64) between an actuator (16), which oscillates along an arcuate path and a ram block (12) which reciprocates along a straight line path comprises first and second compression blocks (66, 68) and a bearing (70) between the compression blocks (66, 68). The compression blocks are in alignment and in compressive engagement with the ram block (12) and actuator (16). The compression blocks have opposed concave cylindrical bearing surfaces (72, 73) and the bearing (70) has oppositely facing convex bearing surfaces (74, 75) which are complementary to the concave surfaces (72, 73) of the blocks (66, 68).

Abstract: A cutting apparatus having a holding member for holding a sheet; a plurality of cutter member for cutting the sheet held by the holding member; and a shifting member engaged by the plurality of cutting member, for shifting the plurality of cutting member in parallel with each other. The shifting member is so designed that it can shift the cutting means without aligning them perpendicular to a cutting direction during the cutting of the sheet.

Abstract: A combination pipe cutter and gate valve for plastic pipe insertable into an in service pipe through which a fluid is flowing. The combination pipe cutter and gate valve comprises a valve body, means for securing a valve body around a portion of the plastic pipe into which the valve is to be inserted, a shear disposed within the valve body, means for lowering the shear toward the pipe and a cutting element secured to the leading edge of the shear, the cutting element forming a single cutting edge having a length such that the pipe is completely severed after the shear has passed completely through the pipe. As the shear passes through the pipe, the plastic material of the plastic pipe is deformed forming a seal against the faces of the shear.

Abstract: Force transmitting coupling (44) for transmitting force from an actuator (16) which oscillates along an arcuate path to a ram block (12) which reciprocates along a rectilinear path comprises a flexible member (50) coupling which is connected to the actuator (16) by a lost motion connection (90, 94) and which is against the ram block (12). The flexible member (50) is supported intermediate its ends in a manner such that it can flex by a predetermined amount but not more than the predetermined amount. When the ram block (12) is pushed from a retracted position to a forward position, the flexible member is placed in compression and flexes by only the predetermined amount. The force transmitted to the ram block is applied to the axis of the ram block.

Abstract: Near a discharge device (48) for discharging paper (P) with an image formed thereon, there is provided a punch (7) for punching holes. The drive of the discharge device (48) is controlled so that the punch punches the punch holes in the trailing portion of the paper (P), without causing creasing or tearing or change in the quality of the paper (P). The punch (7) includes punching cutters (72) and a punching die (74). The punching cutters (72) and the punching die (74) are provided in a unit (U) which can be drawn out of a casing (1) covering the punch (7). With the unit (U) drawn out of the casing (1), jam recovery can be easily executed. The unit (U) is movable in the width direction of the paper (P), thereby making it possible to adjust the position of punched holes. A collecting box (76) for collecting paper scraps (P1) is disposed in the unit (U). If the collecting box (76) is pivoted or the opening (76a) thereof is lifted up when the unit (U) is pivoted, the paper scraps (P1) therein will not fall out.

Abstract: The invention relates to a device for cutting, according to a saw tooth pattern, the extremities of veneer tapes between two pairs of upper and under knives and for gluing those extremities under pressure by using i.a. a pression beam on which the necessary pressure is applied by a hammer of an oscillable press and which, for that purpose, is beared in a vertically displacable bridge, characterized in that the device comprises the following elements:(a) means for locking the hammer (13) of said press with respect to said bridge (2):(b) under and upper knives which cut the veneer tapes at different heights;(c) means for bringing said hammer (13) in its rest position when it is delocked with respect to said bridge (2);(d) a pneumatic cylinder (28) for pulling down said bridge (2);(e) means for neutralizing the pression exerted by springs on the under knives.

Abstract: A system is provided which utilizes a plurality of sequentially controlled magnetic repulsion punches arranged in a variable array to punch a constantly moving substrate. These punches are disposed adjacent the constant velocity substrate on which holes, or vias are formed as the punches are sequentially fired. The array of punches is placed at an angle with respect to the perpendicular of the direction of movement of the substrate. Thus, a delay is present between the time when the first punch must be fired and the firing of subsequent punches, due to the angle of the array. Therefore, due to this delay between the time the first punch must energized, and the energizing of subsequent punches a single power supply is capable of providing energy to a group of punches.

Abstract: A recorded sheet handling apparatus includes an intermediate holding section as a stacker for holding a set of recorded sheets externally fed one by one and stacked in a feeding order, a handling unit for selectively punching and/or stapling the set of recorded sheets held in the intermediate holding section at a holding position, a storage tray for storing the handled recorded sheets, first convey rollers for conveying the recorded sheets prior to handling to the intermediate holding section, and second convey rollers for conveying the handled recorded sheets to the storage tray.

Abstract: An apparatus is provided for receiving a molded carrier ring package and removing the electronic component from the surrounding ring while cutting and forming the leads of the component. The shear provides that leads on two opposite sides of a rectangulopiped component are cut just prior to the leads extending from the remaining two sides, during one stroke of the shear, such that the applied force required to cut all of the leads is reduced by acting on one-half of the leads at a time, and such that the applied forces are balanced on opposite sides of the component. Each of a punch and die is easily interchanged with a replacement, and a scrap remover is continuously adjustable during closing of the jaws thereof, so that it is a simple matter to change the tooling and otherwise accommodate devices of different sizes. Also, the apparatus provides for diverting the forces of the shearing and forming action from a shuttle for transporting the device so as to minimize wear and tear on it.

Abstract: The invention relates to a method and to apparatus for cutting irradiated fuel elements when in the horizontal position. A fuel element is placed on a support and presents a cross-section for cutting. The fuel element may be displaced along its longitudinal axis. In the immediate proximity of the cutting section, the fuel element is compressed by at least one side clamp, and between two cuts the side clamp(s) is/are unclamped, the fuel element is then advanced by a desired length, and the side clamp(s) is/are reclamped. The end pieces cut off by end piece cutters fall into a fixed end piece removal apparatus. The rods are cut up inside a cavity in such a manner as to confine the cut-off lengths therein, the cavity being provided with a bottom opening enabling the cut-off lengths to be removed and directed towards a fixed rod-removal apparatus. In a preferred embodiment, the end pieces are cut off against the front face of the carriage which carries the rod-cutting blade.

Abstract: An improved cutter system having a plurality of cutters with inclined cutting edges which are alternately inclined to provide a cleaner cut of paper or other material.

Abstract: Box cutting machine having driven knives that cut a line along a selected level on two intersecting side walls of a box.

Abstract: The excess covering material is trimmed from a workpiece using a blade assembly having side by side blade segments with cutting edges aligned with the contour to be cut. A rubber roller applies a longitudinal cutting force to the blade segments in sequential fashion by rolling across the blade segments ends opposite the cutting ends. The blade segments are returned to the noncutting position by a tension wire threaded through a notch in the shaft of each of the blade segments. Cutting pressure is adequate to cut through at least three layers of covering material without scoring the substrate. The rubber roller provides certain resiliency which helps control the cutting pressure.

Abstract: An apparatus which cuts grooves in duct board panel is provided which includes a cutting head assembly which travels transversely across the apparatus on a cross track which is mounted to travel along the length of the apparatus. The cross track is positioned according to indicia along the side of the apparatus which indicate where grooves should be cut to form a particular size air duct, and a plurality of different cutting blades carried by the cutting head are sequentially rotated into use to sequentially cut a plurality of differently shaped grooves across the duct board panel.

Abstract: In order that holes may be produced in a simple and safe manner in a plaster plate (1) to be used as sound adjuster in a room, holes (15) are punched out of the plate, e.g. in the shape of slits, by means of a cutting tool. Hereby the considerable dust and noise inconveniences caused by the hitherto known machining are avoided. By slits (15) that must lie close to each other, it is possible to punch in two stages, i.e. first with double distance and then in the space between. This prevents fracture of the plaster and tearing of any paper that may be on the surface. The cutting tool is provided with punches (7, 8), in a shape corresponding to the holes. Each punch is provided with an inclined blade (10) which forms an angle of the horizontal of 13.degree.. The cross sectional shape of the blade is V-shaped, with two blades (11) running along the sides of the punch.

Abstract: The excess covering material is trimmed from a workpiece using a blade assembly having side by side blade segments with cutting edges aligned with the contour to be cut. A rubber roller applies a longitudinal cutting force to the blade segments in sequential fashion by rolling across the blade segments ends opposite the cutting ends. The blade segments are returned to the noncutting position by a tension wire threaded through a notch in the shaft of each of the blade segments. Cutting pressure is adequate to cut through at least three layers of covering material without scoring the substrate. The rubber roller provides ceertain resiliency which helps control the cutting pressure.

Abstract: An apparatus for forming an alignment of longitudinally spaced short slits with undulated edges in a sheet of fresh pasta comprises a pair of meshing but noncontacting identical gear-like elements mounted on rotatively driven parallel shafts. Each gear-like element is a pair of identical bevel-toothed disks abutted together so that the tips of the bevel teeth of one disk are opposite the grooves between the teeth of the other disk, the width of the bevel teeth being appreciably less than the width of the grooves. The novel pasta product of the apparatus features an alignment of longitudinally spaced short slits with undulated edges.

Abstract: Punches for paper and the like have a metal pin having a male punch element formed on one end and a pressure application area on the opposite end. To withdraw the punch pin an enlargement is formed at or near the opposite end, the enlargement cooperating with a gripper or a spring in the punch to cause the pin to retract when the pressure applicator retracts. In accordance with the present invention a circumferential groove is formed in the punch pin and a collar of plastic material is formed around the pin protruding into said groove and functioning as the enlargement.

Abstract: There is disclosed herein a combined punch and binding machine having a pressure bar assembly for use in the selected actuation of punch members. The pressure bar includes an elongated back plate having an actuator insert receiving aperture at each end thereof, a row of set pin receiving apertures, and a plurality of forwardly extending stripper plate engaging fingers. The pressure bar assembly also includes an elongated unitary forward member for alignment with and securement to said back plate member. The unitary member includes an actuator receiving recess at each end aligned with said plate receiving apertures. The unitary member also includes a housing defining a row of elongated and forwardly extending set pin receiving slots, each slot aligned with and spaced from the back plate set pin apertures. A spacer shoulder is also provided for spacing the pin receiving slots from the back plate to define a inactive punch receiving space.