Abstract: A method and a system for machining a work piece by a machining tool are provided. The method includes relatively moving the machining tool against the work piece to apply machining feeds therebetween. The contact points at the work piece are arranged on the area of the work piece to be machined, and the contact points at the machining tool form a curve on the machining tool surface. The system includes a manipulator, a machining tool and a controller being adapted for controlling the manipulator to operate the machining tool according to the method as above. With this solution, the system can generate wave paths of a machining tool, so as to extend the life of the tool and ensure the processing quality.

Abstract: The problem of penetrating through nets and other objects is solved by cutting the object using concentric cutters in which a rotatable cutter having floating teeth rotates concentrically about a stationary cutter having fixed teeth. The object is cut by a severing action caused by the floating teeth of the rotatable cutter sliding against the fixed teeth of the stationary cutter. Embodiments of the invention include a UUV system for penetrating through fishing nets and other objects, concentric cutting assemblies for use in the UUV system and other systems, and a method for penetrating through fishing nets and other objects. A UUV system in accordance with an embodiment of the invention has a concentric cutting assembly at the forward end and a propulsor at the aft end. The concentric cutting assembly integrates seamlessly within the UUV housing and is deployed from the forward end of the UUV, enabling the UUV to quickly and efficiently penetrate through objects blocking its path.

Abstract: Equipment for stabilizing rotation of a blade in a circle saw and for staying at the wanted sawing line which equipment comprises the formation devices (1,2); (7,8); (10,11) of a magnetic field in connection with a ferrous metallic circle saw blade (3) and equipment for adjusting the intensity of the mentioned magnetic field, such as a sensor (14) that measures the sideway position of a control center (13) and a circular blade (3). Of the formation devices of the magnetic field metallic parts (1); (7) or (10) that direct at least magnetic flux in the last resort to the circle saw blade (3) or part of them are located in relation to the circle saw blade (3) outside its toothing (4), at the location of the teeth essentially to the level of the circle saw blade (3).

Abstract: A cutting apparatus includes a moving device configured to move a cutting blade and an object in a first direction and in a second direction differing from the first direction, relative to each other and a control device configured to cause the apparatus to calculate first cutting time lengths required to cut a pattern at a plurality of arrangement angles when an arrangement angle of the pattern relative to the first or second direction is changed by a first unit angle, determine one of the arrangement angles, which is shortest with respect to the first cutting time length or not more than a first threshold, and control the moving device so that the movement of the cutting blade in the first direction and the movement of the object in the second direction are simultaneously executed, with a result that the pattern is cut at the determined arrangement angle.

Abstract: Apparatuses for grinding or cutting surgical foam are disclosed herein. Kits for grinding or cutting surgical foam are disclosed herein. Methods of grinding surgical foam with a plurality of teeth are disclosed herein. Methods of cutting surgical foam are disclosed herein. Methods of embolizing with ground or cut surgical foam are disclosed herein.

Abstract: A method and apparatus for cutting a polymeric tubular member is provided. The method includes moving the polymeric tubular member along a central longitudinal axis into a position to be cut and providing a cutting blade operably connected to an actuator. The method further includes actuating the actuator to move the cutting blade conjointly along a straight linear axis. Then, bringing a cutting region of the cutting blade into cutting engagement with the polymeric tubular member, with the cutting region engaging the polymeric tubular member extending over a length of the cutting blade that is greater than a diameter of the polymeric tubular member.

Abstract: A method of cutting a polymeric tubular member and apparatus therefor is provided. The method includes moving the polymeric tubular member along a central longitudinal axis into a position to be cut. Further, providing at least one actuator with a cutting blade operably connected to the at least one actuator, with the cutting blade extending lengthwise along a cutting blade axis. Then, actuating the at least one actuator and moving the cutting blade into cutting engagement with the polymeric tubular member along a driven axis that extends in oblique relation to the cutting blade axis.

Abstract: One automated process for evenly applying a thin layer within a device housing includes applying a vacuum hold from a curved surface applicator to the thin layer, pressing the thin layer against the device housing with the applicator, wherein said pressing includes applying pressure from the center of the applicator first and then radially expanding said pressure, and pressing the cylindrical outer housing against an outer region of the thin layer to effect a hard pressed application at the outer surface thereof.

Abstract: This invention pertains to machinery and methods for cutting a workpiece utilizing a cutting tool into at least two parts having prescribed shapes from a metal plate comprising the steps of: identifying each of the parts by one or more contour lines; cutting a workpiece along one of the identifying contour lines into one of the parts; creating at least one path diversion, wherein the diversion has an associated bounded region or opportunity; cutting the workpiece along a contour line associated with the opportunity; resuming the cutting of the part along the identifying contour line with minimal damage to the part being cut; finishing the cutting of the part and then moving the cutting tool to the opportunity and thence to an associated adjacent identifying contour line and then repeating the process until all parts have been manufactured.

Abstract: A reconfigurable flying cutting, notching and shaping machine operates upon a workpiece traveling along a generally linear axis of motion. The machine supports one or more flying tools upon one or more splined shafts and provides bearings for travel along a splined shaft in a direction of movement parallel to the direction of work travel. Rotation of the splined shaft is coupled through a double-acting cam to move one or more flying cutting tools transversely to the splined shaft.

Abstract: A stamping and/or nibbling machine, with a Z-axis drive for driving a tool, which is movable in the vertical direction and can be held by a tool holder, for the machining of sheet metal workpieces, with a first CNC control unit for actuating the Z-axis drive, wherein the first CNC control unit provides an interface for a data channel to a primary control unit or to a second CNC control unit of an X/Y-axis drive for moving the sheet metal workpieces relative to the tool in horizontal directions (X, Y), wherein the tool holder, during a vertical movement during the machining of sheet metal workpieces, is rotatable around its vertical longitudinal axis by a C-drive which is actuated by the second CNC control unit, as a result of which an angle sensor is provided for detecting the angle information of the C-drive and the first CNC control unit is designed in such a way that from the angle information it determines a Z-setpoint value as a reference variable of the Z-axis drive.

Abstract: Methods and apparatus for rapidly and efficiently machining rare earth magnets are disclosed. In particular various embodiments of multi-wire electrical discharge machining and wire saw machines are described that can allow for significant time savings, thereby allowing integration of a wire cutting process into a high volume production scale operation.

Abstract: An electrode plate manufacturing apparatus of the present invention includes an original plate support portion that supports an original plate of an electrode plate coated with an electrode active material, a first cutting blade that forms a linear first cutting portion in the original plate, a first support substrate, which is arranged to face the original plate support portion, having the first cutting blade fixed thereto, a second cutting blade that forms a linear second cutting portion in the original plate, a second support substrate which is arranged to face the original plate support portion, having the second cutting blade fixed thereto, and a driving portion that drives the first and second support substrates, wherein, when the first support substrate is driven by the driving portion, the first cutting portion is formed by the first cutting blade.

Abstract: A press working method for processing a heated workpiece includes a punching process of punching the heated workpiece using a working tool in a state of urging the workpiece by a pad, a retreating process of retreating the working tool from the punched workpiece, and a holding process of holding the punched workpiece in a state of being urged by the pad after the retreating process.

Abstract: A device is provided for cutting the end winding of an electric machine. The device includes a frame, supports to block the device during operation, a cutting flexible element and an activating group for at least a cutting flexible element. A method is also provided for cutting the end winding of an electric machine. The method includes providing, within a stator core of an electric machine, a device having: a frame, supports to block the device during operation, at least one cutting flexible element, an activating group for at least a cutting flexible element. The method also includes encircling components to be cut with the cutting flexible element, and cutting the components.

Abstract: A rod manipulator including power-base and various assemblies, interchangeably attaching to the base. The power-base is composed of a pneumatic cylinder and piston which affects the function of various assemblies. The piston moves the central component of an assembly toward the fixed portion of that assembly. A bending assembly containing mobile pivots around which a surgical metal rod can be bent. A cutting assembly containing blades in central and fixed portions between which a surgical metal rod can be cut. The distal end of the cut rod is retained by replaceable, sterilizable, eject-grips during and immediately after the cutting operation. The general object of the invention is to provide an improved surgical rod cutter and surgical rod bender, capable of performing both tasks with one power source, requires one-person operation, eliminates the need for significant muscular forces and eliminates the opportunity for an unsafe projectile in the operating room.

Abstract: A primer composition that includes red phosphorus having an acid scavenger and a polymer thereon. The primer composition includes at least one other component that is substantially free of lead. The other component is at least one oxidizer, or at least one oxidizer and at least one of at least one secondary explosive composition and at least one energetic binder. The primer composition optionally includes at least one element having an ionic charge to ionic radius ratio of 4 or of 8, such as magnesium, zirconium, aluminum, silicon, titanium, tungsten, alloys thereof, and combinations thereof. The red phosphorus and the at least one oxidizer are present in the primer composition at approximately stoichiometric amounts. An ordnance element including the primer composition is also disclosed.

Abstract: Embodiments of a power saw are disclosed which comprise a base structure including a generally flat top having an upper work surface with the top having an opening through which a circular blade can extend, a relatively narrow box-like undercarriage pivotably mounted to the base around a pivot axis to provide an adjustable bevel angle of the blade relative to the top, and a motor saw assembly comprising an arbor shaft for mounting a circular blade thereon, a drive motor having an output shaft extending generally parallel to the plane of the blade, the output shaft being oriented 90 degrees relative to the arbor shaft, a speed reducing gear train interconnecting the output shaft and the arbor shaft, a gear housing enclosing the gear train, the motor saw assembly being adjustably mounted to the undercarriage to vary the portion of the blade that extends above the upper work surface.

Abstract: A cutting frame for use in a curd vat comprises one or more exchangeable longitudinal knives, and a support frame accommodating the knife/knives. The support frame comprises first and second transverse frame girders, and at least one longitudinal frame girder. The longitudinal frame girder at one end connects the first transverse frame girder; and the longitudinal frame girder at another end connects the second transverse frame girder. An opening in the first transverse frame girder and an opening in the second transverse frame girder together in pairs accommodate one of the longitudinal knives. At least one of the longitudinal knives comprises a first knife lock for releasable locking the knife into a locked position onto the frame, and the frame comprises a second knife lock for releasable locking the longitudinal knife into a locked position onto the frame by engagement of the first knife lock with the second knife lock.

Abstract: An apparatus for penetrating a cover over a multi-well sample plate containing at least one individual sample well includes a cutting head, a cutter extending from the cutting head, and a robot. The cutting head is connected to the robot wherein the robot moves the cutting head and cutter so that the cutter penetrates the cover over the multi-well sample plate providing access to the individual sample well. When the cutting head is moved downward the foil is pierced by the cutter that splits, opens, and folds the foil inward toward the well. The well is then open for sample aspiration but has been protected from cross contamination.

Abstract: The design and method for no sew fabric quilting is described that produces quilt like pictures for home decor or other uses. A pliable or foam like material serves as the quilting medium to which fabric is attached by tucking the fabric into cut pattern grooves. A thin rigid base provides support to the quilt picture. An adhesive coating with a paper carrier is part of the cut pattern medium and provides added support to the cut grooves in holding fabric in place. The paper carrier, when peeled off the adhesive also serves as a pattern piece to cut the fabric. Fabric is placed on the adhesive and edges tucked into pattern grooves using a narrow scalpel like tool. A thin foam sheet attached to the base backside finishes the item and is then ready to be hung after adding a wall hanger.

Abstract: A Window covering cutter has its base board installed with a first clamping device for clamping a Window covering, and a knife device that is positioned next to the first clamping device, having a cutting opening, a driving plate movably fixed at a side of the cutting opening, and a knife fixed on the driving plate to reciprocate transversely to cut the Window covering. A measuring device is set at one side of the knife device for stably positioning the Window covering and measuring a length between its blocking plate and the cutting opening, providing a swift and precise measurement for cutting. So, the invention can be easily operated to esthetically cut a Window covering.

Abstract: An apparatus for the simultaneous three-sided trimming of products includes first and second cutting stations and a third processing station in which perforating or shaping punching operations can be carried out on the product at the same time as edge trimming in the preceding stations. A method for the final processing of bound or stitched products made from paper sheets is also provided.

Abstract: A method and apparatus for producing a hole in any material by means of controlled fracturing using non-rotary machining includes the steps of fixturing a workpiece to the table of a non-rotary holemaking machine tool (103). The cutting tool is then fixtured to the column of the machine tool (105) and the face of the cutting tool is positioned perpendicular to the centerline of the proposed hole (107). The surface of the workpiece is approached with the cutting tool to a predetermined clearance level (109). Thereafter, the cutting tool is driven with sufficient force to induce instantaneous strain in the material of the workpiece to a depth necessary (111) to create a hole of a desired size and shape using a drive mechanism (113). The cutting tool is then repositioned so that the face of cutting tool is perpendicular to centerline of a subsequent hole to be produced (117).

Abstract: A machine for cutting hides and the like and sheet-like material in general, with simplified-access worktable, comprising a footing for supporting a worktable, and cutting elements adapted to be moved on said worktable along the contours of the shapes to be cut, by way of numeric control, wherein the imaginary extensions of three sides of said worktable do not encounter obstacles due to said cutting elements and supports thereof, the fourth side of the worktable being surmounted by a cantilever arm that supports said cutting elements.

Abstract: Method and device for tailoring the density of a compressible, non-rebounding foam used in capturing anatomical impressions to account for the variations in body weights and sizes, the foam fabricated by the method or device and the custom surface fabricated using the foam. The device is configurable to create a wide range of densities suitable for a wide range of body types. The resulting imprinted foams are then encased in hard surfaces to obtain a mold that provides support surfaces for the back and buttocks in the construction of custom molded chairs, seat cushions and back orthotics. The reduced density foam is suitable for fabrication of orthotics that fit to large areas of the body.

Abstract: A cheese shredding apparatus has a table top with a rolling platform that uses 2 pairs of beveled wheels. A partitioned hopper for containing blocks of cheese. A pair of cutting grids located at opposite ends of a cutting block. A pair of push cube modules. A motor powers the rolling platform by way of a cam which converts a rotational motion from the motor into a linear motion which actuates the back and fro motion of the rolling platform. The beveled wheels roll on a pair of tracks which are held within the table top frame. The beveled wheels maintain a very precise and accurate tracking motion of the rolling platform as they move back and forth as guided by the tracks.

Abstract: Apparatus for perforating a component includes at least one robotic arm having a free end for securement of an adapter. At least one hole punch is coupled by the adapter to the robotic arm. The adapter can be configured in one of two ways, a first way in which the adapter supports a component gripper in addition to the hole punch, a second way in which the adapter supports a further hole punch in addition to the one hole punch.

Abstract: A wheeled guide assembly for use with cut providing tools includes a base portion having a first end and a second end, and rockable between either of a first position, enabling straight-line cuts to be made, and a second position enabling controlled curved-line cuts. The base portion includes a plurality of wheels, with at least two pivot wheels, at least one fixed wheel, and at least one steerable wheel provided. The wheels are rollably coupled to the base portion and or a housing of the cut providing tool, such that the cut providing tool may be readily and easily rocked by the user into either the first position or the second position, as needed. This abstract is provided to comply with rules requiring an abstract, and is submitted with the intention that it will not be used to interpret or limit the scope and meaning of the claims.

Abstract: The invention relates to an eccentric pump (1) comprising a frame (15), a pump shaft (3) which can be driven using a driving device (73) and is mounted to be rotatable about a main axis (16) that is stationary relative to the frame (15), an eccentric sleeve (17) which is mounted in an axially movable manner on a pump shaft section (23), an anti-rotation element (27) which is effective between the pump shaft section (23) and the eccentric sleeve (17), several pump elements (5) which are stationary relative to the frame (15) and are provided with displacement elements (6) that can be moved in a radial direction relative to the main axis (16), act upon a fluid contained in swept volumes (8) of the pump elements (5), and are moved against a fluid pressure by an external surface (18) of the eccentric sleeve (17), and at least one spring element (39) which acts upon the eccentric sleeve (17) in an axial direction.

Abstract: In one embodiment, a punching machine having a tool bearing, a drive spindle coupled to the tool bearing, and a drive system configured to move the tool bearing axially along a lifting axis and to rotate the tool bearing about the lifting axis, the drive system having a motor system having a stator and a rotor internally coupled to the stator and a spindle nut coupled to the rotor and cooperating with the drive spindle, wherein the spindle nut is at least partially disposed within the stator.

Abstract: The present invention is an attachable rolling plate assembly which can be attached as a single unit to a portable cutting tool to facilitate the safe rolling movement of the portable cutting tool on the workpiece. The invention comprises a front wheel housing portion, a back wheel housing portion, and two or three metal rods which interconnect the two housings. The housings removably retain a pair of spaced apart wheels and means to retain a cutting tool on the housings so that the cutting tool can be rolled on the workpiece during operation of the tool while the cutting blade portion of the tool extends between a pair of adjacent interconnecting rod members. The front and rear wheel housing assembly receives the cutting blade in between its pins or axles, so that the entire width of the saw plate is supported by the wheels during cutting.

Abstract: Improved saw guide block and fluid for a multiple blade saw assembly. Individual guide blocks are disposed between adjacent saw blades, which blades are mounted on a common drive shaft and axially spaced. Each of the guide blocks has a pair of oppositely-directed block pads that create a magnetically-padded bearing surface. Each block pad includes magnetic portions and non magnetic portions. Each non magnetic portion has fluid delivery ports to allow the transport of ferromagnetic, lubricant, coolant, coating fluid to the magnetically-padded bearing surfaces. The magnetic portion forms a magnetic field of attraction in its vicinity for capture and adherence of ferromagnetic particles within the fluid, whereby a magnetic coating on the guide block bearings surfaces is continuously regenerated during operation of the saw assembly.

Abstract: A saw table includes a clamping mechanism for clamping a work piece on the saw table. The clamping mechanism includes a clamping bar having a first end and a second end. A longitudinal axis is defined between the first and second ends. A first pivoting arm is operatively connected to one of the ends of the clamping bar to support the clamping bar for rotation about a pivot axis. A biasing device biases the clamping bar about the pivot axis to clamp the work piece between the clamping bar and a table base.

Abstract: A method of controlling robot motion for small shape generation is provided. The method includes the steps of: a) providing a robot having a plurality of interconnected distal links with a respective plurality major axes and a respective plurality of minor axes, the robot having a controller for moving the robot to a starting position and along a path including a series of interpolated positions to be followed relative a workpiece; b) moving the robot to the starting position; c) determining a next interpolated position on the path, wherein the robot remains fixed in position about at least one of the major axes and a location and an approach vector of the next interpolated position can be achieved; and d) moving the robot to the next interpolated position. A method where the robot remains fixed in position about all major axes is also provided.

Abstract: A Window covering cutter has its base board installed with a first clamping device for clamping a Window covering, and a knife device that is positioned next to the first clamping device, having a cutting opening, a driving plate movably fixed at a side of the cutting opening, and a knife fixed on the driving plate to reciprocate transversely to cut the Window covering. A measuring device is set at one side of the knife device for stably positioning the Window covering and measuring a length between its blocking plate and the cutting opening, providing a swift and precise measurement for cutting. So, the invention can be easily operated to esthetically cut a Window covering.

Abstract: Complex workpieces, particularly aeronautical parts made of solid stock presenting a bottom wall and at least one stiffening rib transverse to the bottom wall, are machined using a device having a tool head furnished with a transmission component rotatable about a relative longitudinal axis, and a tool, typically a milling cutter, connected to the transmission component and capable of piercing the transverse rib. The longitudinal axis of the tool is disposed obliquely to the longitudinal axis of the transmission component so that the stiffening rib can be pierced at a point close to the bottom wall of the workpiece. The device also incorporates a feeler mechanism associated with the tool head and designed to engage the bottom wall during the movement of the tool toward the machining location, in such a way that the position of the tool head can be actively controlled and the tool deployed at a selected distance from the bottom wall.

Abstract: A method for operating a transverse machining roller of a transverse machining device, which is driven by means of a drive unit and is for the rotary machining of a product web that is transportable in a transport direction, in order to produce machined sections of product web of different formats, having the following steps: selection of a desired format for the sections of product web, preparation of a number of motion rules for controlling a rotary movement of the transverse machining roller in a control unit, for the desired format, production or calculation of a movement of the transverse machining roller on the basis of motion rules prepared in the control unit and/or at least one parameter of the drive unit and/or at least one instruction of a user.

Abstract: A power tool has a drive motor that drives a tool and an optical guiding device secured on the power tool in alignment relative to the work tool. The guiding device is arranged in a low-vibration arrangement on the power tool and is in particular secured on the power tool in a low-vibration area of the power tool. At least one section of the power tool vibrates in the form of a standing wave in at least one direction, wherein the low-vibration area where the guiding device is arranged is the area of a node of the standing wave.

Abstract: A steel strip shears with a hammering device consists of a shearing device and a hammering device, which are pivotally connected at a preset location of their front portions, and respectively connected with a commanding handle and a positioning rod at their ends. The hammering device is installed at the rear portion of the positioning rod, able to move back and forth along the positioning rod to strike the rear surface of the positioning rod, so as to quickly squeeze a second blade connected in front of the positioning rod into under a steel strip tied around a packing box, getting ready for shearing.

Abstract: There is provided a counter-rotating spindle transmission. More specifically, in one embodiment, there is provided a punching machine comprising a tool bearing configured to mate with a punching tool, a rotary/lifting drive coupled to the tool bearing to move the tool bearing axially along a tool bearing lifting axis and to rotate the tool bearing about the lifting axis, the rotary/lifting drive comprising a first motor coupled to drive a first spindle transmission coupled to the tool bearing, a second motor coupled to drive a second spindle transmission coupled to the tool bearing, and a drive controller configured to independently and simultaneously drive both the first and second motors selectively in a common rotary sense and in a contra-rotary sense, to jointly move the tool bearing both axially and rotationally.

Abstract: The invention is designed for quilting applications, and/or general sewing. It is an easy to use tool for cutting several evenly spaced slashes in single, or multi layers of fabrics thus making the fringing process much quicker and kinder on the hand than using just scissors alone.

Abstract: A method for manufacturing a semiconductor device is provided including: providing a reinforcing member on one surface of a wiring substrate that has a first region where a semiconductor chip is mounted and a second region around the first region, and has terminals extending from the first region to the second region formed on another surface thereof in a manner that the reinforcing member overlaps the terminals and a part thereof protrudes from the first region to the second region; cutting the terminals along a boundary between the first region and the second region; and continuously cutting the reinforcing member from an inboard side thereof to an outboard side along the boundary between the first region and the second region.

Abstract: In a force cutting type paper cutter, a movable blade includes a pair of right and left edges having a V shape. These right and left edges are intersected and brought into pressure contact with a linear cutting edge of a fixed blade. The movable blade also includes a pair of right and left elastic pieces formed by a lateral slit and a division slit provided in the movable blade. These elastic pieces are held in an inclined state to the side of the fixed blade and such that the edges overlap with each other. During a cutting stroke, the elastic pieces are held a state in which the edges of the movable blade always make point contact with the edge of the fixed blade and uneven abutment is prevented.

Abstract: A universal window blind trimmer is provided with an interchangeable die assembly. Each die assembly has a window blind head rail receiving opening and window blind bottom rail receiving opening of a different size and shape such that it may be used for trimming a wide variety of window blinds. A double action cam pivotable by a handle is operative for trimming the head rail and bottom rail when the handle is pivoted in one direction and cutting a bundled of window blind slats when the handle is pivoted in another direction.

Abstract: A saw table includes a clamping mechanism for clamping a work piece on the saw table. The clamping mechanism includes a clamping bar having a first end and a second end. A longitudinal axis is defined between the first and second ends. A first pivoting arm is operatively connected to one of the ends of the clamping bar to support the clamping bar for rotation about a pivot axis. A biasing device biases the clamping bar about the pivot axis to clamp the work piece between the clamping bar and a table base.

Abstract: A table insert blade positioner for insertion into a work table of a scroll saw having a scroll saw blade with a cutting edge and a non-cutting edge including a plate having a blade slot to permit a scroll saw blade to travel therethrough said plate insertable into the work table of the scroll saw, the plate having an upper surface and a lower surface; and a blade support structure attached to the lower surface of the plate for limiting the longitudinal motion of the scroll saw blade, wherein the blade support structure is positioned to make contact with the non-cutting edge of the scroll saw blade when sufficient pressure is exerted on the scroll saw blade in the longitudinal direction.

Abstract: An air jet containing blade guide for stabilizing a band saw blade or a circular saw blade of a saw mill and guide blocks or inserts for a saw blade guide are disclosed. The inserts can be removably fastened to a blade guide by means of cap screws preferably containing a hex socket for tightening and loosening the screws with a hex wrench. Cap screw holes formed in the inserts contain recessed countersinks for recessing the heads of the cap screws below a blade opposing surface of the inserts when disposed in an operative position of a blade guide in a saw mill. The inserts can be constructed of brass or aluminum bronze which is softer than the blade being stabilized thereby to avoid undue blade damage but which are hard enough to provide good wearability and heat dissipation as against periodic blade impacts.

Abstract: A device for patterning an optical element includes a working platform, a linear cutting pedestal, at least a cutting tool, at least a weight sliding block and a shaft. An optical element to be patterned is carried on the working platform. The working platform is driven to move horizontally. The linear cutting pedestal is mounted above the working platform. An upper sliding track in which the weight sliding blocks can move back and forth and provide appropriate press forces to the cutting tools, is disposed at the top of the linear cutting pedestal. A lower sliding track in which the cutting tools can move back and forth and be adjusted to appropriate positions according to patterns desired for the optical element, is disposed at the bottom of the linear cutting pedestal. The shaft is positioned above the linear cutting pedestal and drives the linear cutting pedestal to move vertically.

Abstract: A meat slicing apparatus for cutting meat and collecting residue from the meat. The meat slicing apparatus includes a container having four walls and a bottom surface. Each wall has a plurality of vertically aligned slots running from a top portion of the container to a distance slightly above the bottom surface. Each slot is aligned with a corresponding slot located on an opposite wall. A knife is positioned within corresponding slots to cut the meat held in the container. The container collects any juices or residue coming from the meat. The apparatus also includes a retaining utensil having several prongs for holding and handling the meat.