Abstract: A process for cutting glass sheets (10) includes the steps of: scoring each glass sheet on an automatic scoring table (12) having a scoring head (14) moveable on a bridge (16) and a track (18); transporting each scored glass sheet to a breaking table (22) via conveyor (20); floating each scored sheet on a fluid medium on the breaking table; and impacting each scored sheet from above the floated scored sheet to fracture the scored sheet along the score lines (40 and 44). An apparatus for cutting glass sheets includes mechanisms for performing the steps of this process. The fluid medium may be air with the impacting performed by a vacuum workholder (26) consisting of an arm (30) raised and lowered by pneumatic cylinders (32), the arm supporting a plurality of vacuum cups (28) engaging the workpiece (42) for subsequent transportation.

Abstract: Dispensable sheet material includes opposite side edges spaced apart from one another to define the overall width of the sheet material. Zones of weakness are spaced along the sheet material. Adjacent zones of weakness are spaced apart by a distance of from about 50% to about 200% of the overall width of the sheet material to divide the sheet material into a plurality of sheet material segments. Each of the zones of weakness comprises a plurality of perforations and frangible sheet material portions. Each of the frangible sheet material portions has a width of from about 0.3 mm to about 1.8 mm. The total width of the frangible sheet portions in each zone of weakness is from about 10% to about 30% of the overall width of the sheet material. The sheet material has an elasticity in the dispensing direction of from about 4% to about 20%. The sheet material has a dry tensile strength in the dispensing direction of from about 4,000 grams per 3 inches of width to about 12,000 grams per 3 inches of width.

Abstract: A chip peeling apparatus has a plurality of protrusions which include first protrusions and second protrusions lower than the first protrusions. A vacuum pump communicates through holes with grooves defined between adjacent ones of the protrusions. A UV sheet is attached to chips, and the chips are supported in the vicinity of their corners by the tops of the first protrusions. When the vacuum pump is actuated, the chips and streets disposed between the chips are lowered, and the chips are curved and supported in abutment against the tops of the second protrusions. Each of the chips is gradually peeled off the UV sheet under a force tending to recover the original shape of the curved sheet. The chip peeling apparatus is effective in preventing the chips from being damaged and positionally deviated when the chips are attracted and carried.

Abstract: An apparatus and method for cleaving optical waveguides to precise differential length are described. A first end of a waveguide is coupled to an input port of a reflectometer. A reference mirror is then positioned in a path of radiation propagating through the second end of the waveguide. A waveguide cutting tool is then positioned proximate to the waveguide and at a distance relative to a reference mirror. A first reflectometry measurement is performed on the waveguide to a second end of the waveguide. A second reflectometry measurement is performed on the waveguide to the reference mirror. The waveguide is then positioned relative to the reference mirror and waveguide cutting tool so that the first reflectometery measurement is a measurement increment apart from the second reflectometry measurement. The waveguide is then cut with the cutting tool positioned at the distance relative to the reference mirror.

Abstract: An apparatus and method of converting a web of indefinite length into a plurality of web portions by slitting the web at a transverse point prior to processing the web portions into a plurality of use supply forms (such as rolls), wherein the plurality of web portions are separated by a two-stage process. A first stage of the process is a partial separation operation that almost entirely separates the web portions, but leaves the web portions connected, such as by a slitting operation that leaves a series of connected zones. The second stage includes the complete separation, such as by breaking of the connected zones. The complete separation of the web portions preferably occurs near the station at which the use supply forms are created, such as a winding station. Thus, the web portions, after substantial separation at the first stage can be handled (for example, guided and tensioned) as if the plurality of web portions were a full width web.

Abstract: A method for cleaving a conrod (1) of a reciprocating-piston engine into two bearing shells each comprising one half of the bearing eye (2) has the following steps: before the breaking process, the machine component is stuck with its bearing eye (2) onto a two-piece split mandrel (10); the bearing eye is subjected to initial stress in splitting direction, by forcing the two mandrel halves (11, 12) apart; the bearing eye (2) is positionally fixed, relative to the associated mandrel half (11), on one side of the intended splitting plane (4) by means of adjustable stops (29); by driving in a wedge (16) between the two mandrel halves (11, 12), the positionally fixed bearing shell together with the associated mandrel half (11) is split from the bearing shell fixed on the other mandrel half (12) by substantially simultaneous breaking of both sides.

Abstract: A tool for separating a common printed wiring board substrate into a plurality of substrates where, prior to separation, the plurality of substrates are connected by at least one circuit connector. The purpose of the tool is to apply pressure along a dividing line to break the common substrate into separate boards without crimping or breaking the connectors between the boards. In a preferred embodiment, the tool has a beveled edge for contacting the common substrate with mechanism for adjusting the location of notches in the beveled edge. The notches are for alignment with the location of the connectors between the boards.

Abstract: The dispenser dispenses tickets such as instant-winner lottery tickets from a strip in which the individual tickets are delineated by perforation lines. The dispenser includes a separator to tear the tickets apart before issuing them from the machine. The separator preferably is rotary and has a dull helical blade which rotates to contact the ticket strip adjacent a perforation line, and presses against the strip to tear the tickets apart along the perforation line at a point which progresses across the strip along the perforation line. Preferably, a bar code reader is provided for reading codes on tickets in the dispensing machine. The bar code reader is used in reading information from the tickets to initialize the dispenser control system and in accounting for the sale of tickets, and in the verification of winning tickets being sold. A game is provided in which the concept is that a jackpot is built up using the detection of each ticket sold.

Abstract: When lines of vertical cracks due to thermal strain are formed for a plate made of a brittle material with a laser, the plate is irradiated with a laser beam along first lines in a first direction, and thereafter along second lines in a second direction crossing the first direction. When the second lines are scribed, depths of the generated vertical cracks are controlled to be shallower than those of the vertical cracks generated along the first lines in the first direction. The scribing is controlled by setting irradiation energy of the laser beam per unit area and per unit time in the second direction to be lower than that in the first direction. For example, moving speed of the laser spot relative to the plate is varied or output power of the laser beam is controlled on the irradiation energy.

Abstract: A method for physically separating non-metallic substrates by forming a microcrack in the substrate and controllingly propagating the microcrack. An initial mechanical or pulsed laser scribing device forms a microcrack in the substrate. If a pulsed laser is used, it forms a crack in the substrate between its top and bottom surfaces. A scribe beam is applied onto the substrate on a separation line. A helium coolant stream intersects with, or is adjacent to, the trailing edge of the scribe beam. The temperature differential between the heat affected zone of the substrate and the coolant stream propagates the microcrack. Two breaking beams on opposing sides of the separation line follow the coolant stream. The breaking beams create controlled tensile forces that extend the crack to the bottom surface of the substrate for full separation. The scribe and break beams and coolant stream are simultaneously moved relative to the substrate. A preheat beam preheats the heat affected area on the substrate.

Abstract: A paper web is drawn into a printing and can be guided along a selected one of several paths. The paper web is weakened along a line of separation and is then held by a retaining system that can move the web in a conveying direction along a first path. The web is fed to a different conveying path and is separated ot torn along the line of separation. This line of separation or weakening is formed at an angle to the production direction.

Abstract: There is disclosed a method of cutting a plate glass mother material in which a plurality of grooves are scribed/processed beforehand on one main surface, and appropriate pressing is constantly performed, so that more preferable materials to be pressed can be formed. When a plate glass mother material 20 is pressurized by an indenter 191, and cut in a portion of groove D1, vibration is momentarily generated. The vibration is transmitted to a vibration sensor 193 via an indenter base 190. Subsequently, at the time when the vibration sensor 193 detects the vibration, a Z-axis servo motor 192 of a pressing device 19 stops, and pressing by the indenter 191 stops. Therefore, the indenter 191 does not advance by more strokes than necessary, glass in a cut portion can be prevented from being chipped.

Abstract: A dispensing apparatus and method are disclosed for dispensing sheet material from at least one roll of the sheet material. Dispensing is transferred from a stub roll to a reserve roll automatically in response to sensing a predetermined quantity of the stub roll. An isolating element is provided to lift the reserve roll out of contact with dispensing rollers during dispensing of sheet material from the stub roll, and a nipping element is provided to nip sheet material of the reserve roll when dispensing is transferred from the stub roll to the reserve roll. A cam controls movement of both the isolating element and the nipping element. Structure is also provided for sensing the diameter of the reserve roll of sheet material and providing an indication when the reserve roll is a predetermined diameter. The dispenser is quiet and capacity efficient.

Abstract: A tool for separating a common printed wiring board substrate into a plurality of substrates where, prior to separation, the plurality of substrates are connected by at least one circuit connector. The purpose of the tool is to apply pressure along a dividing line to break the common substrate into separate boards without crimping or breaking the connectors between the boards. In a preferred embodiment, the tool has a beveled edge for contacting the common substrate with mechanism for adjusting the location of notches in the beveled edge. The notches are for alignment with the location of the connectors between the boards.

Abstract: The present invention is directed to a method of cutting glass mother material involving preparing the plate glass mother material in which a plurality of grooves are scribed, disposing the plate glass mother material with the grooves turned inward; and pressing an outer surface of the plate glass mother material with a cushioning member having a thickness not to be protruded downward from a lowermost portion of an indenter, with the cushioning member being attached onto an under surface of an indenter base excluding the indenter, pressing a portion opposite to the groove on the outer surface with the indenter having a stretched shape, and cutting the plate glass mother material.

Abstract: A method of converting a web of indefinite length into a plurality of web portions by slitting the web at a transverse point prior to processing the web portions into a plurality of use supply forms (such as rolls), wherein the plurality of web portions are separated by a two-stage process. A first stage of the process is a partial separation operation that almost entirely separates the web portions, but leaves the web portions connected, such as by a slitting operation that leaves a series of connected zones. The second stage includes the complete separation, such as by breaking of the connected zones. The complete separation of the web portions preferably occurs near the station at which the use supply forms are created, such as a winding station. Thus, the web portions, after substantial separation at the first stage can be handled (for example, guided and tensioned) as if the plurality of web portions were a full width web.

Abstract: A method of forming a scribe line on a work surface is carried out by a scribing apparatus comprising a scribe body including an abutment member, such as cutter provided with an penetrator, having at least first and second ridgelines and a sharp tip end portion and a vibration generating member for periodically applying vibrations to the abutment member. A vibration is applied to the abutment member with the tip end portion thereof abutting against the work surface, and the scribe body is relatively moved along the work surface to thereby form a scribe line on the work surface. In this scribing method, a first angle constituted by the first ridgeline of the abutment member and the work surface and a second angle constituted by the second ridgeline thereof and the work surface are made different from each other and the first and second ridgelines are opposed in the moving direction of the scribe body.

Abstract: A connecting rod fracture machine is disclosed which mateably inserts a half-split type mandrel into an opening of a large end portion of a connecting rod to expand the opening. The machine comprises first and second support members (31), (32) for supporting the connecting rod horizontally, the support members being arranged movably apart from each other on the base of a pallet (24) for placing the connecting rod (1) thereon. Moreover, the machine includes a half-split type mandrel (36), vertically provided on these support members, comprising mandrel half portions (37), (38) with each outer peripheral surface thereof being in contact with the inner surface of the opening. The machine also comprises a wedge (53) for separating the mandrel half portions uniformly apart from each other, the wedge having tapered surfaces in contact with opposite edge surfaces of the mandrel half portions.

Abstract: A device is for fixating a fiber ribbon cable in a ribbon fiber cutting machine. A fixture or jig holding a stripped fiber ribbon cable is placed on the cutting machine in a predetermined position, by placing the jig in a machine-mounted holder and pressing the jig against one side thereof. The jig is positioned so that the ribbon fibers will enter respective V-grooves on a first support and engage a resilient surface on a second support. The fibers can be linearised in the grooves on said support surface, despite possibly being deformed when stripping the cable, by angling the jig in relation to said V-grooves on said support surface. The fibers are pressed down into the grooves, thereby fixating the fibers in both a vertical and a lateral direction. The fibers will also be parallel with one another in the space between said support. Arranged in said space is a knife by means of which a fracture line or weakening is made on the fibers.

Abstract: Lottery ticket dispensing housings are provided with a hinged, transparent rear and top cover, a hinged front wall, and a powered ticket drive and separator module. A relatively tall embodiment of the dispenser with a small footprint is fitted onto the countertop of a check-out counter of a retail store. The top of the housing is flat so as to provide a convenient place for customers to write checks with the tickets being displayed immediately below being highly visible to the customer. A display of relatively flat and short dispensers is provided wherein a rack or housing supports the dispensers one a top of the other in a vertical array. In such a rack or housing the units are connected together electrically in a daisy-chain manner and one control device (point-of-sale terminal, computer or on-line terminal) operates all connected dispensers. The dispensers are shifted laterally with respect to one another to as to give greater viewability of the contents of each of the dispensers to a customer.

Abstract: A method of producing a semiconductor device of the present invention is applicable to a multilayer wafer for leadless chip carrier packages and breaks it on a package basis. The method begins with a step of forming a generally V-shaped groove in one major surfaces of the wafer in the direction of thickness of the wafer. A weak, cleaving portion is formed in the other major surface of the wafer in alignment with the groove. A cleaving force is exerted on the wafer to thereby form a break in the cleaving portion, so that the wafer is caused to break from the groove toward the cleaving portion in the direction of thickness of the wafer. The cleaving portion may be replaced with a strong, non-cleaving portion, in which case the break is formed in the interface between the non-cleaving portion and the wafer due to a difference in cleaving force.

Abstract: A dispensing apparatus and method are disclosed for dispensing sheet material from at least one roll of the sheet material. Dispensing is transferred from a stub roll to a reserve roll automatically in response to sensing a predetermined quantity of the stub roll. An isolating element is provided to lift the reserve roll out of contact with dispensing rollers during dispensing of sheet material from the stub roll, and a nipping element is provided to nip sheet material of the reserve roll when dispensing is transferred from the stub roll to the reserve roll. A cam controls movement of both the isolating element and the nipping element. Structure is also provided for sensing the diameter of the reserve roll of sheet material and providing an indication when the reserve roll is a predetermined diameter. The dispenser is quiet and capacity efficient.

Abstract: This invention relates to a group of methods aimed to facilitate the start of a controlled thermal scoring, shearing or separation method applied to brittle materials. More or less all thermal scoring, shearing or separation methods have in common that the specific energy level inherent to this method remains constant over the path. Such energy level sufficient to control the propagation of a crack is insufficient to start the same.

Abstract: A device for forming two triangular glass knives from a glass square, such as for ultramicrotomy, has a rotary table and a holding device for receiving, aligning, and fixing the glass square to be broken positioned on the rotary table. The holding device has two opposingly arranged clamping jaws of U-shaped profile for holding the glass square therebetween arranged on the rotary table. The rotary table's axis of rotation is aligned with the center of the glass square held between the clamping jaws. A scoring and breaking device is positioned above the table alignable with the glass square.

Abstract: Glass tubes are fed one at a time from a supply to a station. Each of the tubes is rotated in the station about a longitudinal axis of the tube in the station and is simultaneously pressed axially against a fixed stop. A laser beam is directed at the rotating tube in the station at a location along the tube offset from the stop to melt the tube at the location and cut from the tube a section lying between the location and the stop. After cutting from the tube, the tube section is transversely displaced onto a conveyor and transported away from the station by the conveyor. Then the tube in the station is advanced axially into engagement with the stop and the steps of rotating, cutting, and so on are repeated until the tube is exhausted.

Abstract: An apparatus is provided for cleaving a laser bar into semiconductor chips. The apparatus includes a supporting structure on which a member slides. The apparatus also includes a pair of film layers. The laser bar is positioned between the film layers. A chamber is sealed to the top film layer. The chamber has an inlet through which gas is input. The movement of the member and the downward force caused by the buildup of gas pressure in the chamber induce cleaving of the laser bar at predetermined locations. The laser bar may have score marks at the predetermined locations to produce weak points. Pressure pulses may be coordinated with the movement of the member to break the laser bar at the desired locations.

Abstract: A lock and a method for manufacturing the lock. The lock comprises a shell having an interior cavity, a plug received in the interior cavity rotatably and axially slidably therein and defining a keyway configured to receive a preselected key, and a tumbler insertable in the plug. The tumbler has a plug portion disposed at a first axial location within the plug and resiliently biased outwardly toward a locked radial position and associated with the keyway such that the preselected key inserted in the keyway locates the tumbler in an unlock position and a shell portion disposed at a second axial location in the shell wherein the second axial location is axially spaced from the first axial location. The shell, the plug and the tumblers are configured such that the tumblers are sheared between the plug and the shell when the plug and the shell are forced axially toward each other.

Abstract: A process for dicing a preform made of an oxide single crystal into cut pieces each having a given shape, includes the steps of removing molecules of the oxide single crystal through dissociation and evaporation with an optochemical reaction under irradiation of a laser beam upon the preform, thereby forming grooves on the preform, and then cleaving the preform along the groove.

Abstract: Lottery ticket dispensing housings are provided with a hinged, transparent rear and top cover, a hinged front wall, and a powered ticket drive and separator module. A relatively tall embodiment of the dispenser with a small footprint is fitted onto the countertop of a check-out counter of a retail store. The top of the housing is flat so as to provide a convenient place for customers to write checks with the tickets being displayed immediately below being highly visible to the customer. A display of relatively flat and short dispensers is provided wherein a rack or housing supports the dispensers one a top of the other in a vertical array. In such a rack or housing the units are connected together electrically in a daisy-chain manner and one control device (point-of-sale terminal, computer or on-line terminal) operates all connected dispensers. The dispensers are shifted laterally with respect to one another to as to give greater viewability of the contents of each of the dispensers to a customer.

Abstract: A cleaving tool provides pressurized gas to the edge of a substrate to cleave the substrate at a selected interface. A substrate, such as a bonded substrate, is loaded into the cleaving tool, and two halves of the tool are brought together to apply a selected pressure to the substrate. A compliant pad of selected elastic resistance provides support to the substrate while allowing the substrate to expand during the cleaving process. Bringing the two halves of the tool together also compresses an edge seal against the perimeter of the substrate. A thin tube connected to a high-pressure gas source extends through the edge seal and provides a burst of gas to separate the substrate into at least two sheets. In a further embodiment, the perimeter of the substrate is struck with an edge prior to applying the gas pressure.

Abstract: An apparatus and method for physically separating non-metallic substrates forms a microcrack in the substrate and controllingly propagates the microcrack. An initial mechanical or pulsed laser scribing device forms a microcrack in the substrate. If a pulsed laser is used, it forms a crack inside the substrate that does not extend to either the upper or lower surface. A scribe beam is applied onto the substrate on a separation line. A coolant stream intersects with, or is adjacent to, the trailing edge of the scribe beam. The temperature differential between the heat affected zone of the substrate and the coolant stream propagates the microcrack. Two breaking beams on opposing sides of the separation line follow the coolant stream. The breaking beams create controlled tensile forces that extend the crack to the bottom surface of the substrate for full separation. The scribe and break beams and coolant stream are simultaneously moved relative to the substrate.

Abstract: A method of determining optimum heating conditions for applying a pulse laser point heat source onto a strip of a brittle material at its position in the vicinity of a tip of a crack of the strip for cleaving the strip by a thermal stress, wherein at least one of a non-dimensional pulse time of the pulse laser point heat source, a non-dimensional distance of the pulse laser point heat source from the tip of the crack, and a non-dimensional heating area is decided so that a ratio of non-dimensional stress intensity factor to temperature takes just or approximately a maximum value.

Abstract: A chip peeling apparatus has a plurality of protrusions which include first protrusions and second protrusions lower than the first protrusions. A vacuum pump communicates through holes with grooves defined between adjacent ones of the protrusions. A UV sheet is attached to chips, and the chips are supported in the vicinity of their corners by the tops of the first protrusions. When the vacuum pump is actuated, the chips and streets disposed between the chips are lowered, and the chips are curved and supported in abutment against the tops of the second protrusions. Each of the chips is gradually peeled off the UV sheet under a force tending to recover the original shape of the curved sheet. The chip peeling apparatus is effective in preventing the chips from being damaged and positionally deviated when the chips are attracted and carried.

Abstract: A tool for preparing an optical fiber end-face includes a station having a base with a fiber bender and a scribe for cleaving a fiber. The base may include a polishing surface and a well that serves as a fiber shard collector. A cleaver door may be attached to the base to be rotatable between an open position and a closed position covering the shard collector and may include a mount for releasably attaching a fiber handling tool or puck. The puck includes a body, a latch attached by a hinge to the body, and a face comprising a plate pivotally attached to an end of the body and having a fiber port extending through the plate. The body of the puck includes a nest for receiving a fiber holder for securing a fiber with an end of the fiber extending through the port of the face. The nest includes a reference stop and a means for urging the fiber holder against the reference stop when the latch is rotated to a closed position covering the body.

Abstract: A scratch is made at least at one corner portion of the cathode ray tube and heat is applied so as to flank the scratch from the two sides. More specifically, electrical heating wires are disposed at the two sides of the scratch formed on the cathode ray tube and the electrical heating wires are used to apply the heat in a linear manner from the two sides of the scratch. Preferably, scratches are formed at the four corners positioned at the panel portion rather than the frit glass portion where the panel portion and the funnel portion of the cathode ray tube are joined, electrical heating wires to which tension is applied are disposed at the four side positions of the panel portion so as to flank the scratches from the two sides, and heat is applied to the cathode ray tube by the electrical heating wires. Tension is applied to the electrical heating wires by springs.

Abstract: An apparatus and method for cleanly breaking a continuously advancing cellulose web includes a transfer fabric which supports and advances the cellulose web to a wind up zone. The transfer fabric forms a closed loop and is driven at a desired speed by a drive roll. At least two spray nozzles are arranged transversely across the advancing cellulose web as it is carried on the transfer fabric. The spray nozzles are capable of emitting a liquid under high pressure against the advancing cellulose web to form perforations across the width thereof. A plurality of hollow cores are independently and sequentially moved into position at the wind up zone to receive the advancing cellulose web. The hollow cores are located downstream of the spray nozzles and each hollow core is capable of accumulating a predetermined amount of the cellulose web.

Abstract: A concrete slab for forming blocks for a retaining wall comprises a prism having parallel top and bottom surfaces, and opposed parallel side walls, and end walls, the prism has an X axis in the longitudinal direction extending between the end walls, a Y axis in the width direction extending between the side walls, and a Z axis perpendicular to the X and Y axes extending between the top and bottom surfaces. A first dividing line extends parallel to the X axis from one end wall to the other end wall in order to define a separating plane bisecting the prism. At least a pair of dividing lines extend parallel to the Y axis of the prism from the first dividing line to each of the opposite side walls, wherein the second dividing lines are parallel to each other but offset therefrom, whereby upon separating the slab along the first and second dividing lines, at least four blocks in the form of rectilinear prisms having different dimensions in the X axis will be formed.

Abstract: An apparatus for breaking a wafer into individual devices. An anvil 100 is pressed against a flexible membrane 304 on which a wafer 300 is attached. A vacuum is applied to the anvil 100 which allows the flexible membrane 304 and the wafer 300 to be pressed against the face of the anvil 100. As the flexible membrane 304 is deformed against the anvil 100, the wafer 300 breaks into individual devices 302. Dicing debris that is created when the wafer 300 is broken falls into a base fixture 408 so that the debris does not contact and damage the devices 302.

Abstract: A mounting beam removal equipment has a cassette for holding a plurality of stacked wafers in such a manner that mounting beams of the wafers are trued up in the same direction, a brush composed of a plurality of disks which are inclined at a predetermined angle and secured to a vertical shaft along an axis of the vertical shaft at regular intervals, the brush facing a side of the mounting beams of the wafers held in said cassette. Furthermore, a rotation driving device is provided for rotating the brush about the axis of said vertical shaft, a first moving device is provided for moving the brush horizontally along the side of the mounting beams, and a second moving device is provided for moving the brush horizontally in a direction perpendicular to the side of the mounting beams.

Abstract: Coin roll wrapper cutter for assisting in removing the wrapper from a roll of coins. The wrapper cutter has a cutter body which is generally an elongated cylinder. A roll of coins secured by a wrapper is pushed into the top of the cylinder and the side of the roll is contacted by a sharp knife which forms an elongated slit along the wrapper. The slit wrapper easily permits the removal of the coins. Preferably, the knife is spring loaded and moves out sufficiently so that coin rolls of different denominations can be opened by a single size of coin roll wrapper cutter.

Abstract: The invention is a method and apparatus for separating by a pivoting motion a stack formed of a plurality of layers of die cut corrugated board and thereafter delivering separated portions of the stack while minimizing damage to the respective portions. The apparatus comprises a conveyor for delivering stacked portions to be separated, a means for securing portions of the stacked board to portions of the conveyor, and a means for pivoting a portion of the conveyor and a secured stacked portion of the board thereon to thereby pivotally separate the stacked portions from one another along a connecting thin paper web.

Abstract: For a method for the formation of a frangible zone for fracture separation of a part, namely a connecting rod for internal combustion engines, by which method, in a fracture plane for the intended triggered break-away, a frangible zone is formed along a side of the plane, through which, ordered depressions with ribs are developed from the surface, there is proposed that in the case of a part comprised of ductile metal, the ribs are at least sectionally embrittled, i.e. penetratingly hardened, for intended formation of initial starting cracks.

Abstract: For breaking and cutting a glass to obtain a glass plate having a rectangular shape, a first preliminary break is formed in a portion of a glass ribbon near a side edge of the glass ribbon along a first planned breaking and cutting line perpendicular to a transferring direction of the glass ribbon. Local heating is movably applied to a portion of the first preliminary break near an end of the first preliminary break to progress a first actual breaking and cutting line therefrom. A first bending moment is applied along the first planned breaking and cutting line to break and cut the glass ribbon in a direction substantially perpendicular to the transferring direction so as to obtain a glass plate. Second preliminary breaks are formed in an end of the glass plate along second planned breaking and cutting lines substantially parallel with the transferring direction.

Abstract: A lifting bar (12) for breaking scored glass sheets along score lines extending in the X direction and a device (30) for breaking the glass sheets along score lines extending in the Y direction are provided at a glass breaking table (1), conveyor belts (10, 11, 20, 21) being included in order to move the scored and/or partially broken glass sheets to the various locations of the glass breaking table (1). Additionally, rim snap-off tools (50 and 60) are associated with the glass breaking table (1), these tools breaking off marginal strips located outside of score lines corresponding to zero lines from the glass sheet by twisting these marginal strips with respect to the glass sheet. The procedure herein is such that first the marginal strips extending in the X direction are broken off by the rim snap-off tool (50) before the glass sheet is broken along the score lines extending in the X direction.

Abstract: A holding device for padlocks having lock housings of different sizes. The holding device includes guides for positioning the padlocks so that a shell-plug assembly disposed within the lock housing is maintained at a prescribed location. The holding device is attached to a shearing apparatus for shearing assembly pins in the shell-plug assembly.

Abstract: A method and apparatus for curved-angle cleaving of optical fibers is presented. The method requires the introduction of a flaw in an optical fiber to be cleaved, and the application of predetermined stress and strain to the optical fiber in the vicinity of the flaw to cause curved-angle cleaving of the optical fiber at the flaw. More particularly, one embodiment of the method requires fixing first and second portions of the optical fiber, for example, by clamping, and introducing a flaw into the optical fiber between the first and second portions. Then, a substantially concentrated force is applied to the optical fiber between the flaw and the first portion of the optical fiber, on a side of the optical fiber opposite the flaw, in order to cause the optical fiber to cleave with a curved-angle cleave. Another embodiment of the method applies a substantially concentrated force to the fiber before introduction of the flaw.

Abstract: An improved lottery ticket dispenser includes a burster wheel having a cylindrical contact surface. The improved burster wheel provides for an increased range of operation so that greater misalignment between the perforation or line of weakness between adjacent tickets in a fanfold stream and the path of the burster wheel can be accommodated while still providing a reliable and effective separation of the adjacent tickets along the line of weakness.

Abstract: A method and apparatus for curved-angle cleaving of optical fibers is presented. The method requires the introduction of a flaw in an optical fiber to be cleaved, and the application of predetermined stress and strain to the optical fiber in the vicinity of the flaw to cause curved-angle cleaving of the optical fiber at the flaw. More particularly, one embodiment of the method requires fixing first and second portions of the optical fiber, for example, by clamping, and introducing a flaw into the optical fiber between the first and second portions. Then, a substantially concentrated force is applied to the optical fiber between the flaw and the first portion of the optical fiber, on a side of the optical fiber opposite the flaw, in order to cause the optical fiber to cleave with a curved-angle cleave. Another embodiment of the method applies a substantially concentrated force to the fiber before introduction of the flaw.

Abstract: A method and a device are provided for obtaining semiconductor bars for laser devices starting from portions of a processed wafer and carrying out the cleavage in ultra-high-vacuum. The cleavage mechanical stresses are impulsive forces and are all applied from the processed side of the wafer through a lowerable shaped member actuated by compressed helical springs, which applies these stresses on the ledging parts of the wafer portion held on a central region thereof by a fixed support and held down in position by a suitably shaped centering thrust member. The spring-up occurs by translating the device in the ultra-high-vacuum environment and opposing a locking lever engaging the lowerable member in an upper or first position with a fixed cam.

Abstract: A system for breaking large sheets of brittle material such as glass into smaller sheets, in which at least one laser is moved across a sheet of brittle material having two major surfaces to form two vent cracks in the sheet, a first vent crack in a first path on one side of the sheet and a second vent crack in a second path on the other side of the sheet. The sheet is broken into smaller sheets by applying a bending moment under the vent cracks.