Abstract: A cutting apparatus is provided for cutting a sheet material. The cutting apparatus includes a bed for resting thereon the sheet material, a hollow rail structure spaced from the bed, a cutting element moved along the hollow rail structure to travel on the sheet material and cut it in a desired manner, a holding plate coupled to the hollow rail structure for depressing the sheet material on the bed to facilitate the cutting operation of the cutting element, and a sustaining element disposed in the hollow rail structure. The sustaining element sustains against an upper inner surface of the hollow rail structure to lift up the holding plate and sustains against a lower inner surface of the hollow rail structure to put down the holding plate.

Abstract: A device and method for simultaneously cutting and scoring pieces of insulation consisting of thick fiber on a foil backing, for joining pieces of insulation. A dolly is provided for carrying a fifty-pound roll of insulation so that insulation can be pulled from the roll and over an attached cutting surface. Two parallel rotary knives move together across the insulation on the cutting surface. One knife cuts through both the fiber and foil. The other knife simultaneously makes a parallel cut 1.5 inches from the first, through the fiber but not the foil, so that the fiber between the two cuts can be removed from the foil. The foil from which the fiber has been removed, can then be overlapped onto the foil of another piece of insulation to join the two pieces.

Abstract: The combination of a sheet cutting apparatus and a tool. The sheet cutting apparatus has a base with a surface for supporting a sheet material operatively positioned upon the base. A rail assembly on the base has a length. The sheet cutting apparatus further includes a blade assembly. The blade assembly has an operative state in which the blade assembly is movable guidingly in a cutting path along the length of the rail assembly to make a cut in a sheet material operatively positioned upon the base, and is repositionable relative to the rail assembly from the operative state into a separated state. The tool is operable by a user to facilitate repositioning of the blade assembly from the operative state into the separated state.

Abstract: A shape cutting system for cutting a material having a surface. The shape cutting system includes a cutting unit and at least one template. The cutting unit includes a frame, a blade adjustment assembly and a blade assembly are coupled to the frame. The blade assembly is positioned at least partially within the frame such that a longitudinal axis of the blade assembly is substantially perpendicular to a lower support surface of the frame. The blade assembly includes a blade retainer and a blade connected to the retainer. A rigid collar of the retainer is configured to operatively engage at least one of a periphery and the edge of an opening of the template thereby enabling the blade to cut a shape in the cutting material which assimilates the shape of at least a portion of the at least one of the periphery and the edge.

Abstract: A cutting device includes a main board having a pressing member pivotably connected between two frames pivotably connected on two ends of the main board. A cutting mechanism is movably engaged to a side of the pressing member and has a roller blade therein. The pressing member presses on the sheets on the main board and the roller blade cuts the sheets by moving the cutting mechanism along the pressing member.

Abstract: Novel measuring and cutting apparatus and methods are disclosed. In one embodiment, an apparatus includes a base member, an elongated member having an attachment end coupled to the base member and at least one straight edge adapted to extend over a workpiece, and a measuring arm. The measuring arm includes a first leg slideably coupled at right angles to the elongated member, and a second leg extending from the first leg and adapted to extend over the workpiece, the measuring arm defining a distance between the straight edge and the second leg. The apparatus allows accurate, repeated measurement when the straightedge is angled, and also allows access to the entire length of the straightedge for drawing or cutting.

Abstract: A sheet material cutter and bending brake combination includes a sheet bending brake having a base member with a clamp surface, and an anvil member for clamping sheet material against the clamp surface. The anvil member has a track extending longitudinally of the anvil member and the brake. The track includes a pair of parallel channels that are at an angle to each other, and are laterally spaced from each other—i.e., laterally of the longitudinal dimension of the brake and the longitudinal direction of the track. The track also includes a second channel extending along the anvil member parallel to the first channel and disposed between the lip and the clamp surface. A cutter has a frame, and first and second pairs of track rollers mounted on the frame. The first pair of track rollers have outwardly extending peripheries for receipt in the first channel, and the second pair of track rollers have outwardly extending peripheries for receipt in the second channel.

Abstract: A slide cutter assembly for use in sectioning lengths of a packaging material drawn from a roll. The device includes an elongated and shaped body. A first roll supporting portion is located at a first end of said body and a second roll supporting portion is likewise located at a second end of the body. A cutter assembly extends from a selected lengthwise extending edge of the body and upon which an unwound length of the packaging material comes into contact. The cutter assembly incorporates a traversable blade for sectioning from the roll the length of packaging material. The roll of packaging typically comes in a generally elongated and three-dimensional shaped packaging, the cutter device being constructed so that it may be supported within an interior defined by the packaging and upon first mounting the roll between the first and second roll supporting portions.

Abstract: A blade holder for a mat board cutting machine, the blade holder including an open sided recess for receiving a blade, a screw for adjusting the extension of the blade from the recess and a magnet for releasably holding the blade within the recess. A cutter head for use with a mat board cutting machine, the cutter head including a blade carrier pivotably mounted to the cutter head for holding a blade holder. The blade holder includes an open sided recess for receiving a blade, a screw for adjusting the extension of the blade from the recess and a magnet for releasably holding the blade within the recess. A mat board cutting machine including a clamp for holding mat boards against a deck and a cutter head mounted to the clamp for cutting the mat board. The clamp is held between clamp hinges which include screws to exert a compressive force against the end of the clamp.

Abstract: A sheet cutter for cutting a sheet by shearing. The sheet cutter has a fixed blade, a movable blade which is movable along the fixed blade, and a receiving element which receives a sheet piece which is cut off from the sheet. The receiving element is structured so as to be movable together with the movable blade as the movable blade moves. The receiving element may be structured such that it is translationally movable in a direction substantially perpendicular to the moving direction of the movable blade.

Abstract: A work table having longitudinal and transverse cutter guide rails and a removable cutter. The cutter cooperates with linear knives on a longitudinal edge and on a lateral edge of the work table for making longitudinal and transverse cuts to form blanks from sheet stock. A roller knife on the cutter cooperates with linear knives on transverse and lateral edges of the work table to cut coil stock. The longitudinal cutter guide rail is provided with cam clamps that flex the beam to securely clamp sheet stock between the upper beam and the table top when longitudinal cuts are made. Grid lines and template instructions may be provided to assist workers in measuring and laying out blanks of sheet stock. Sheet stock may be supplied from a coil that is retained in a coil holder either on the work table or adjacent to the work table on a separate stand.

Abstract: A cutting apparatus providing a flat material with a curved edge is disclosed. The cutting apparatus includes a main body, a center member and an arm. The center member is mounted to the main body. The arm engages with the center member and has a cutting part thereon. The cutting part cuts the flat material to have the curved edge by rotating the arm about the center member.

Abstract: Manually operable apparatus for cutting gel or other sheet material comprises a cutting table and a longitudinally reciprocable traveling bridge mounting a transversely translatable cutter carriage supporting a cutter assembly for manually selective movement to any position on the cutting table. The cutter assembly is employed for making longitudinal as well as transverse cuts of the sheet material. An associated method is also disclosed.

Abstract: A mat cutter includes a squaring fixture including a locator bar positioned on the work surface by an adjustment element coupled to the locator bar, a driver coupled to the adjustment element, and an electronic control coupled to the driver controlling the power supplied to the driver to locate the locator bar at a desired location relative to a guide bar supporting a manually movable cutting element. Additional adjustment mechanisms are employed to position stops limiting the movement of the cutter element along the guide bar. The adjustment mechanisms for the locator bar and stops are separate from each other, but can be controlled by a common electronic control of intuitive design, and can be uncoupled for fully manual operation.

Abstract: A removable storage compartment assembly for a material cutter comprising a compartment placement region and a removable storage compartment. The storage compartment includes a compartment lower portion removably engaged to the compartment placement region and a compartment upper portion removably and mateably engaged to the compartment lower portion. A biasing member is operatively connected to the compartment lower portion. When the compartment lower portion is disengaged from the compartment placement region, the biasing member biases the compartment lower portion away from the compartment placement region.

Abstract: A material trimmer comprising a base having a support surface and a cutting region having a channel. A plate is movably attached to the base and includes oppositely facing upper and lower surfaces, an elongated slot therethrough, an elevated portion proximate each side of the slot, and a distal second end with the elevated portion leading to an arcuate surface. A carrier includes a top flange having a pair of oppositely extending sides and a foot extending from the top flange. The foot is slidably received within the slot, and a portion of the pair of oppositely extending sides are arcuate in shape and slidably received within the arcuate surface of the elevated portion. A blade is attached to the carrier, a portion of which extends below the lower surface of the plate within the channel when the plate is disposed over the cutting region.

Abstract: A cutter device includes at least one stationary blade, which has a stationary blade cutting edge extending crosswise to a recording sheet. At least one movable blade moves in contact with the stationary blade cutting edge to cut the recording sheet. A stopper plate prevents the recording sheet from being moved by the movable blade while the movable blade cuts the recording sheet. In a preferred embodiment, the stopper plate is shiftable between a stopper position and a retracted position, and when in the stopper position, contacts a side edge of the recording sheet, and when in the retracted position, is away from the side edge.

Abstract: A blanket cutter (10) used in conjunction with an offset printing press, for example. Blanket cutter (10) can include an elongated rail (12) mountable proximate to a blanket cylinder (11). Slidably supported by rail (12) is a cutter assembly (20) including a puck assembly (22) which adjustably holds a knife or tramming gauge (24). The knife (24) can be moved in and out relative to puck (22) to adjust the depth of the cut; and knife (24) can be twisted about its axis (41) to reorient the blade of the knife depending on whether the cut is horizontal (axial) or vertical (circumferential). The puck can be moved along rail (12) to make a horizontal/axial cut; and the blanket cylinder (11) can be rotated, in a preferred embodiment, to make a vertical/circumferential cut. The result is a blanket cut that is faster and more accurate than that achieved using a freehand method.

Abstract: A sheet material cutting device includes a base having two brackets, two arms pivotally secured to the brackets, a track secured between the arms and rotated in concert with the arms relative to the brackets, a seat slidably engaged on the track and movable along the track, and a cutter blade secured to the seat. The cutter blade may be forced toward the base in order to forcefully and effectively cut the sheet materials. A board detachably secured to the base, and a plate selectively secured to the board for increasing the surface for supporting the sheet materials.

Abstract: A work table having longitudinal and transverse cutter guide rails and a removable cutter. The cutter cooperates with linear knives on a longitudinal edge and on a lateral edge of the work table for making longitudinal and transverse cuts to form blanks from sheet stock. A roller knife on the cutter cooperates with linear knives on transverse and lateral edges of the work table to cut coil stock. The longitudinal cutter guide rail is provided with cam clamps that flex the beam to securely clamp sheet stock between the upper beam and the table top when longitudinal cuts are made. Grid lines and template instructions may be provided to assist workers in measuring and laying out blanks of sheet stock. Sheet stock may be supplied from a coil that is retained in a coil holder either on the work table or adjacent to the work table on a separate stand.

Abstract: A clamp structure includes a frame defining an aperture through which an elongate member extends. A shoe is fitted in a channel of the elongate member and is of external cross-section substantially complementary to the cross-sectional configuration of the channel. A mechanism forces the shoe into the channel and firmly presses the elongate member against the frame.

Abstract: A cutter device for use in a printer in which a broad continuous printing sheet is printed and thereafter the printed portion of the sheet is cut along a width direction to be dropped downward to a tray. The cutter devise includes a cutter which reciprocating to cut the printed sheet in the width direction; and holding member for holding the sheet to prevent the sheet from dropping on a cutting start side of the cutter. The sheet is released from the holding member substantially in synchronism with the completion of the cutting by the cutter. Preferably, the sheet is fed a reverse in rewinding direction before the cutter finishes cutting to return to its original position, so that the cut end of a non-printed sheet is prevented from interfering with the returning cutter. The compactness of the cutter device is achieved and the sheet charging operations are facilitated.

Abstract: A cutting arrangement for a material web, especially photographic copy material in a photographic copier includes a knife roller (5) and a drive (3, 4, 6 to 9) for reciprocating the knife roller (5) between two turnaround positions (S1, S4) transverse to the material web (M) to be cut, to thereby carry out one cut respectively. At least two starting positions (S1, S2 or S3, S4) are provided for each of the two cutting directions which are associated with different widths of the material web (M).

Abstract: Apparatus for securing flat articles to be cut, includes, in one embodiment, a base and a clamp bar coupled to the base by actuators. The actuators are slideably moveable to actuate the clamp bar between a clamping position near the base and an open position away from the base. A flat article is positioned between the clamp bar and the base, and the actuators are moved to position the clamp bar into the clamping position, securing the flat article to the base in a desired position for cutting. In an alternate embodiment, an apparatus includes a biasing member operatively engaged with the clamp bar to urge the clamp bar away from or toward the base. In another alternate embodiment, an apparatus includes a swing arm slideably coupled with the clamp bar, the swing arm having a straight edge.

Abstract: A hand operated cutting apparatus and method of cutting mat board, glass, and other related sheet-like framing material. The apparatus has a cutting head assembly which includes a plurality of interchangeable and adjustable blade holding units. Each blade holding unit provides a different type of cut, such as a beveled, straight edge, or V-groove cut. Most of the blade holding units are intended for use with mat board, but some can be used to cut and trim sheet-like glass or plastic framing material. Each blade holding unit is also capable of vertical adjustment relative to the workpiece so that various depths of cut can be provided. The method of cutting a mat board permits the mat board to be positioned face up on the base board of the cutting apparatus and does not require flipping or taping of the mat board during V-groove cutting operations.

Abstract: An improved rotary trimmer having a blade biasing member is shown and described. The biasing member biases the blade in an inoperative position in which the blade is retracted inside a housing when not in use. A manual actuating means is used to overcome the bias provided by the biasing member and to move the blade into an operative position in which at least the cutting edge of the blade projects from the housing.

Abstract: A machine for cutting parts, wherein a carriage, movable in a given direction, is fitted with at least one rotary tool for cutting the parts parallel to the given direction; an actuating assembly moving the carriage in the given direction to and from an idle position; the carriage supporting a drive assembly presenting a motor and a gear transmission assembly interposed between the motor and the tool; and the transmission assembly rotating the tool at a speed other than that of the motor according to at least one given reduction ratio.

Abstract: A slider includes a rotary blade holding case and a guide member. A rotary blade bearing portion is provided on the rotary blade holding case. A shaft extends through a rotary blade while being clamped with a bearing member and a safety plate. After the shaft is coupled with the bearing portion, the guide member is coupled with the rotary blade holding case. Thereby, parts other than the shaft are adapted to be molded with a single material so as to reduce the manufacturing processes of the slider and the cost thereof. In addition, the rotary blade and the safety plate are mounted on the slider. If the slider is removed from the guide rail in the state where the rotary blade is in a unit with the slider, fingers are prevented from contacting the rotary blade, and the rotary blade can be easily replaced together with the slider.

Abstract: The present invention relates to a sharpening device for sharpening a wear edge of a rubber, plastic or polyurethane blade, such as a synthetic squeegee blade used in silk screening printing, comprising a housing with a base and an upper surface having a longitudinal clamp for clamping the blade during the sharpening operation. The sharpening device further comprises a cutting blade or knife which is removably held by a moveable carriage, both of which are located within a housing. The carriage is mounted on a block assembly and, preferably, carries a removable cutter holder. In operation, the carriage travels along the path of the wear edge of the squence blade, and the cutting blade or knife acts to cut off the wear edge of the blade and simultaniously treate a new edge. The cutting blade is mounted in an inclined position, with respect to the horizontal length of the wear edge, so that the upper beveled surface of the cutting blade is substantially parallel to the horizontal plane of the wear edge.

Abstract: A guide tool for performing a work function step such as cutting or drawing a line along a workpiece including a guide plate having planar opposite sides, a longitudinal slot, a first straight guide edge substantially parallel with the slot, guide flanges along opposite sides of the slot defining a guide channel on a first side of the guide plate, and two clamps adapted for assembly with guide plate, the clamps having a first jaw including a guide member slidable along the guide plate channel and a second jaw extendable through the guide plate slot and a pressure plate for securing the clamps to a workpiece along opposite sides of the workpiece, and clamp handles formed integral with the jaws and spring biased apart to urge the jaws together for clamping the guide plate to the workpiece, and the clamp handles being positioned in spaced relation from the first side of the guide plate for ready access by a user from the first side of the guide plate when the clamps are assembled with the guide plate and the gui

Abstract: Apparatus for dividing laminated glass consists of a device for dividing laminated glass, and a glass cutting table 30 with a cutting bridge 33 which can move along a support and on which a cutting head 38 for scratching plates of glass can move. The device for dividing laminated glass is located on one of the edges of glass cutting table 30 which run parallel to cutting bridge 33. On cutting bridge 33 of glass cutting table 30 there is stop 40 for orienting the laminated glass in the device for dividing laminated glass. Thus the amount of space required is reduced. The device for dividing laminated glass can also be made narrower or can have only one movable support 5 if a support 2 affixed to the frame is made integral with the bearing surface of glass cutting table 30. The glass cutting table is not used to divide the laminated glass: only its cutting bridge is used, and only as an adjustable support for the stop 40.

Abstract: A cutting mechanism for accurately cutting a notch in a piece of edging, to permit sharp bending of the piece of edging for a picture or plaque, is disclosed. The cutting mechanism comprises a jig secured to a base member, the jig being dimensioned to receive the piece of edging clamped thereto. A cutting blade is mounted on the base member for reciprocating movement between a first retracted position whereat the cutting blade is remote from the jig and a second fully extended position whereat the cutting edge has passed through the jig. The cutting blade has an inverted "V"-shaped cutting edge comprising two blade portions joined one to the other at a central vertex.

Abstract: An insulation cutting guide apparatus 10 for use with a cutting implement 101 to sever an unrolled sheet of insulation material 100. The cutting guide apparatus 10 includes a generally flat open framework member 20 having an elongated aperture 21 and provided with a knee pad member 30, a hand grip member 40, and an alignment member 50. The framework aperture 21 is dimensioned to receive, and at least one side of the aperture 21 is designed to guide, the cutting implement 101 during the severing of the insulation material 100.

Abstract: There is disclosed a construction in which the shaking of a cutting carriage due to a clearance is prevented, thereby enhancing cutting precision. The cutting carriage includes at least one rotary blade for cutting a sheet, and a pair of opposed driven rotary members held respectively against obverse and reverse surfaces of a guide track member, said pair of driven rotary members being rotated in accordance with the movement of the cutting carriage along said guide track member. The cutting carriage for sheet cutting can include a pair of rotary blades which are forcibly rotated respectively by the pair of driven rotary members when these driven rotary members are rotated. Preferably, the pair of rotary blades are held in press-contact with each other at a toe-in angle.

Abstract: A machine for manually cutting web material employs a cutting head that is supported on a rail for sliding and pivoting movement along and across a straight edge, which is disposed forwardly of the axis of pivoting. The cutting wheel is biased axially toward the straight edge, its axis being so disposed as to cause the biasing means to impart an upward force moment that tends to elevate the wheel blade. A guide plate is pivoted, by upward movement of the cutting head, so as to increase spacing from the surface of the base and thereby facilitate feeding of the workpiece.

Abstract: A rotary paper trimmer for cutting sheet material and method of using the trimmer is disclosed. The rotary paper trimmer has a base, a pressure pad, and a blade holder assembly. The pressure pad has a guide rail and a gear track attached to its upper surface. A blade holder assembly has a outer shell slidably attached to the guide rail, a shaft rotatably attached to the shell, a circular blade attached to the shell and adjacent a lateral edge of the base, and a gear attached to the shaft. As the blade holder assembly is slid on the guide rail the gear engages with the gear track and rotates the shaft and circular blade to cut sheet material inserted between the pressure pad and base.

Abstract: A paper trimmer includes a base and a plate pivotally attached to the base. A carrier is slidably attached to the plate in an elongated slot. A blade assembly includes a blade secured to a blade holder. The blade assembly is received in a cavity formed in the carrier such that a cutting edge of the blade extends below the plate and is received within a channel formed in a cutting region of the base when the plate is disposed over the cutting region. A paper is cut by translation of the carrier along the slot of the plate.

Abstract: In a cutting device having a moving (disc) cutter and a fixed cutter which extends in a cutting direction, wherein the moving cutter moves along the fixed cutter, thereby cutting a medium which is interposed therebetween, a presser member which is movable together with a medium pressing interlocking plate is lowered to press on the medium to fix the same at a portion close to a cutting position since a bearing attached to the moving cutter engages with the medium pressing interlocking plate to press down the same as the moving cutter moves. Since the moving cutter cuts the medium at this state, the cut edge of the medium can be excellent in linearity even if it has low rigidity in the outward-surface direction at right angles to the surface thereof. While the moving cutter does not cut the medium, the presser member is retracted to a standby position.

Abstract: In a cutting device having a moving (disc) cutter and a fixed cutter which extends in a cutting direction, wherein the moving cutter moves along the fixed cutter, thereby cutting a medium which is interposed therebetween, a presser member which is movable together with a medium pressing interlocking plate is lowered to press on the medium to fix the same at a portion close to a cutting position since a bearing attached to the moving cutter engages with the medium pressing interlocking plate to press down the same as the moving cutter moves. Since the moving cutter cuts the medium at this state, the cut edge of the medium can be excellent in linearity even if it has low rigidity in the outward-surface direction at right angles to the surface thereof. While the moving cutter does not cut the medium, the presser member is retracted to a standby position.

Abstract: A paper cutter comprising: a bed for placing paper to be cut thereon; a rail mounted on the bed; a slider made slidable along the rail; and a rotary blade carried by the slider for cutting the paper as the slider is moved. Further comprised are springs for supporting the two ends of the rail therethrough on the bed so that the rail may move up and down. The rail has its lower face formed on its end edge with a cutting position determining face such that the slider is fitted on the rail in a position where the rotary blade runs along the positioning face. With this construction, the rail itself is supported in a floating state on the bed. As a result, the paper is cut with the rotary blade by lowering the floating rail with the depression of the slider and by clamping the paper under pressure only at the portion to be cut between the rail and the bed as the slider is moved.

Abstract: A guide apparatus for cutting roofing shingles includes a rigid base plate, substantially rectangular in shape, having a first end wall spaced from a second end wall; a first side wall spaced from a second side wall; a cutting guide pivotally supported on the base plate along the first side wall; and upright guide surfaces mounted for sliding movement on the base plate adjacent to the second side wall. The cutting guide may be fixed at non-perpendicular and perpendicular angles to the long axis of the base plate. A scale having reference markings for cutting shingles at predetermined lengths is mounted along the first side wall. The scale may be utilized to determine points at which the beginning and the end of a cut can occur both easily and accurately. A modification of the invention includes an outward extension of the base plate along the first side wall, the extension having an opening within it, the combination serving as a carrying handle for the guide apparatus.

Abstract: A paper cutting apparatus includes an elongated fixed blade, a movable blade, a fixed member, a pair of paper holding members, and a coupling portion. The movable blade reciprocates along the fixed blade in the direction of the width of paper to cut the paper in cooperation with the fixed blade. The fixed member is arranged midway along the path of the movable blade. The paper holding members are movably arranged on two sides of the fixed member and alternately hold the cut end portion of the paper cut by the movable blade. The coupling portion detachably couples the movable blade and the paper holding members with a predetermined coupling force, and cancels the coupling between the movable blade and one of the paper holding members by using the fixed member, while coupling the movable blade and the other of the paper holding members during movement of the movable blade in a paper cutting operation.

Abstract: A reversible mat cutter for cutting openings in oversized picture frame mats is disclosed. In one aspect of the invention, the guide rod and mat bar are easily detachable from the clamping frame of the mat cutter. Once detached, the cutter head assembly is then easily removed, reversed and remounted on the guide rod such that the cutter head then cuts on the opposite side of the guide rod. Both the mat guide and squaring arm are both quickly and easily detached from one side of the guide bar and remountable on the other side so that then an oversized picture mat may then be lain flat on the mat cutter and cut with the reversed cutter head.

Abstract: A paper cutter assembly having an extruded rail assembly including a base and a rail formed at right angles to each other. A carriage assembly is mounted on the rail for translational movement across the rail. End blocks are provided in each end of the rail assembly for pivotally connecting the rail assembly to guide blocks for pivotal movement between operative and inoperative positions with respect to the paper.

Abstract: A device for dispensing a bandage material has a container for accommodating a supply of bandage material, a mechanism for advancing the bandage material from the container so as to expose a desired portion of the bandage material outside of the container, a mechanism for cutting the exposed piece of the bandage material, and including a cutting element movable between an initial position before cutting the piece of the bandage material and a final position after the piece of the bandage material has been cut off during which movement from the initial position to the final position the piece of the bandage material is being cut, and a structure for preventing advancement of the bandage material by the advancing mechanism when the cutting element is in the final position.

Abstract: Laminated glass is grooved on both sides, bent first to one and then to the other side, and during the second bending process, the two parts of the laminated glass are pulled apart. The thus stretched film is melted by a plasma jet directed in the gap formed by the bending process, which is moved over the entire length of the gap. The apparatus to perform the process comprises two platelike supports (1, 2) for laminated glass (10) to be cut, of which at least one can swivel back and forth around an axis (4) running in impact area (3) between two supports (1, 2), and with clamping apparatuss to immobilize the laminated glass on the supports. On their lower edges, supports (1, 2) have conveying elements (5, 6) for laminated glass (10) and clamping apparatus (13, 14) to immobilize laminated glass (10).

Abstract: An all-electric web feeding, cutting and sheet dispensing machine includes a bi-directional cutting knife on a reversible carriage driven by a reversible-rotation knife-drive shaft. The carriage includes a ball-bearing-wheeled linear actuator riding on the knife-drive shaft propelling the carriage along this shaft in cutting strokes in one or the other direction as this shaft is rotated in one or the other sense of rotation for cutting sheets off from a web of resilient packaging material. A combined knife-guard and clamp jaw (guard/clamp) holds the web and protects the moving knife from contact with foreign objects while the knife is traveling during each cutting stroke. At the end of each cutting stroke a cam on the knife carriage lifts the guard/clamp in readiness for feeding another length of web.

Abstract: A film cutting apparatus includes a guide having a clip for attachment to a film material container and a cutting device designed to travel along said guide to sever the film material in predetermined lengths. The cutting device includes two pairs of guide wheels designed to travel in a channel in the guide beneath the cutting plane defined by a top surface thereof. The cutting device also includes a housing having disposed therein a star cutter, a star cutter driver assembly and a plate assembly attached to the housing providing rotatable support for the star cutter driver assembly and guide wheels. In use, the housing is gripped by a user and driven along the length of the guide. During housing travel, the star cutter driver assembly rotatably engages the guide top surface to rotate the star cutter and sever the film material lying in the path of the star cutter. The guide has a non-slip top surface so that the film material adheres thereto during cutting.

Abstract: A cutting instrument includes a base plate and a pair of cutting blades slidably mounted to the base with a slide block and rail system for cutting movement. A reference rod assembly is provided to maintain the internal flutes of a corrugated paper board in parallel relationship to the cutter blades during cutting to ensure first and second cut edges which are precisely parallel to the flutes. The reference rod assembly comprises two pairs of parallel reference rods which project in a common plane from a key stock plate. The distal ends of these rods, after respectively passing through flutes in the paper board to be cut, are adapted to be received in blind bores formed in a side surface of a guide rail to support the reference rods on the rail. The key stock plate further includes a pair of parallel positioning pins which are received in a pair of bores formed in a side edge of the base plate.

Abstract: A cutting device for a roll of protective film includes an elongated positioning unit which has two side walls, a top wall interconnecting the top ends of the side walls so as to define a sliding space among the side and top walls, and a longitudinally extending slot formed through the top wall and communicated with the sliding space. A cutter includes a sliding body placed on the positioning unit and having a rear portion and a front portion which has a rearwardly and downwardly inclined front end surface and a notch formed in the bottom surface thereof. A blade is mounted in the notch and extends rearwardly and downwardly from the sliding body in such a manner that the cutting edge of the blade is aligned with the front end surface of the sliding body. A guide unit includes two vertical plates projecting downwardly from the rear portion of the sliding body through the slot of the positioning unit, and two horizontal plates that project outwardly from lower ends of the vertical plates.