Abstract: A method for hardfacing cutting blades used in industrial machinery by creating a channel in the surfaces of an oversize cutting blade that may be filled with hardface weld and machining the outer edge of the main body and channel to create a desired finish profile with a hardfaced edge. Such a cutting blade may additionally have fixed points of reference on the cutting blade which may be used to automate some or all of the process of creating and/or hardfacing a cutting blade to the desired profile.

Abstract: The invention relates to an interface between a knife and a knife holder, wherein the knife and the knife holder are designed such that the knife can be mounted on the knife holder in such a way that the knife is initially positioned on the knife holder in the axial direction, and then by rotating either the knife relative to the knife holder and/or the knife holder relative to the knife, the knife is locked on the knife holder with respect to the axial direction, wherein the knife has a single central fastening opening which is delimited by a knife edge region, and the knife holder has a fastening section for the fastening opening of the knife, which is delimited by a holder edge region.

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: 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: A sandwich holder and knife guide for cutting a sandwich while maintaining the ingredients in place includes a base, a pair of upwardly extending parallel walls with an aligned slit in each of the walls for guiding a knife through a sandwich, a transparent dome with a slit aligned with the slits in the walls, a knife, a support frame, a pair of tapes disposed on opposite sides of the slits and each of the tapes extending across the support frame in a parallel relationship with the slits and one end of each of the tapes is coiled upon a retractable coil for maintaining the tapes under tension so that the tapes when extended and placed on top of the sandwich retain the sandwich and its fillings in place when the sandwich is cut.

Abstract: A sandwich holder and knife guide for cutting a sandwich in half while maintaining the ingredients in place includes a base, a pair of upwardly extending parallel walls with an aligned slit in each of the walls for guiding a knife through a sandwich, a transparent dome with a slit aligned with the slits in the walls, a knife, a support frame, a pair of stainless steel tapes disposed on opposite sides of the slits and each of the tapes extending across the support frame in a parallel relationship with the slits and one end of each of the tapes is coiled upon a retractable coil for maintaining the tapes under tension so that the tapes when extended and placed on top of the sandwich retain the sandwich and its fillings in place when the sandwich is cut in half.

Abstract: The invention relates to a rotary cutter for the pelletization of plastic extrudates, said rotary cutter being provided with knives projecting axially away from its end surface, said knives being individually affixed to supporting surfaces of the rotary cutter by means of fastening elements. The supporting surfaces are formed by the side walls of radial grooves in the peripheral surface of the rotary cutter and by radial transverse walls in the radial grooves, said radial grooves being limited by the radial transverse walls, the knives each being inserted in hook-like manner with a projecting portion into said radial transverse walls, wherein one side of the projecting portion forms an abutment for the fastening element, said fastening element penetrating a radial transverse wall and pressing on the abutment.

Abstract: The present invention concerns a compact, portable, lightweight, easily transportable, quickly operating wood splitting apparatus, using a knife which cuts a log or piece of wood that is deposed on a platform. This compact and portable wood splitter is actuated by a hydraulic cylinder transmitting a pendulum movement to a knife and onto an upright piece of wood. The apparatus may be attached to a truck box, to a trailer or to a wall by means of a vertical, horizontal, fixed or mobile fixture. The splitter apparatus is compact and portable and it can easily be stored in a car trunk or in a shed.

Abstract: An apparatus for cutting a roll of material includes an elongated blade having a distal end, a cutting guide attached to the elongated blade and positioned to direct the distal end of the elongated blade towards the roll of material, and a support position to hold the roll of material approximate to the elongated blade. A method for cutting a roll of material having an axis and a circumference is taught. The method comprises radially cutting the roll of material from the circumference to the axis by advancing the distal end of an elongated blade, then rotating the elongated blade relative the axis to cut the roll of material. Alternately, the method teaches rotating the roll of material relative to the axis to cut the roll of material.

Abstract: An apparatus for cutting a roll of material includes an elongated blade having a distal end, a cutting guide attached to the elongated blade and positioned to direct the distal end of the elongated blade towards the roll of material, and a support position to hold the roll of material approximate to the elongated blade. A method for cutting a roll of material having an axis and a circumference includes radially cutting the roll of material from the circumference to the axis by advancing the distal end of an elongated blade, then rotating the elongated blade relative the axis to cut the roll of material. Alternately, the method teaches rotating the roll of material relative to the axis to cut the roll of material.

Abstract: A cutter hub for an underfluid pelletizer in which pelletizable material such as molten polymer is extruded as strands through orifices in a die plate. The cutter hub has a plurality of cutter blades integral therewith and is made of a single solid one-piece construction of hub and blades. The cutter hub is rotatably driven and moves along the face of the die plate so that the blades cut the extruded strands into pellets. The cutter hub preferably includes self-aligning structure.

Abstract: An extraction apparatus (40) for the removal of a riveted fastener (12) from a structure (10) includes a shaft (42) and a cutting element (62). The cutting element (62) is mechanically coupled to the shaft (42) and is configured to cut a portion of the riveted fastener (12). The shaft (42) and the cutting element (62) are configured for insertion through an inner channel (24) of the riveted fastener (12). A method of replacing the riveted fastener (12) from the structure (10) includes inserting the extraction apparatus (40) through the inner channel (24). The extraction apparatus (40) is rotated. A portion of the riveted fastener (12) that extends through the structure (10) is removed. A head (20) of the riveted fastener (12) is also removed from the structure (10).

Abstract: A cutter blade is relatively moved along an outer periphery of a semiconductor wafer, and dust generated at a tape cutting site by the cutter blade and attached to an upper surface of the protective tape is collected with a dust collecting member which relatively moves with the cutter blade with respect to the semiconductor wafer, and the dust collected at a predetermined portion is suctioned and removed with a suction nozzle after the completion of tape cutting.

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: The invention relates to an imaging member comprising an imaging layer and a base wherein said base comprises a closed cell foam core sheet and adhered thereto an upper and lower flange sheet, wherein said foam core sheet has a modulus of between 100 and 2758 MPa and a tensile toughness between 0.344 and 35 MPa, and wherein said upper and lower flange sheet has a modulus of between and 1380 and 20000 MPa and a toughness between 1.4 and 210 MPa.

Abstract: A method and apparatus are taught for cutting a sheet material comprising the steps of engaging a first side of the laminated web structure with a crack initiator having a high rake angle, the crack initiator extending from a first cutter base having a low rake angle; simultaneously engaging a second side of the laminated web structure with a second cutter; generating a first crack in the first side of the laminated web structure with the crack initiator; generating a second crack in the second side of the laminated web structure with the second cutter; and propagating the first crack and the second crack to intersect. The crack initiator extends from a cutter base to a height of at least 5 ?m. The high rake angle of the crack initiator is in the range of from about 30° to about 70°. The cutter base has a low rake angle that is at least about 15° less than the high rake angle of the crack initiator.

Abstract: A mating arrangement for a split slitter, anvil, spacer or any other similar device provides for precision alignment of the two halves of the split slitter in both the axial and radial directions.

Abstract: A method for cutting a laminated web including the steps of engaging a first side of the laminated web with a crack initiator having a high rake angle, the crack initiator extending from a first cutter base having a low rake angle, the laminated web including at least a support web, and an upper layer that may, at least for imaging elements, be considered a protective layer, the upper layer being thinner than the support web, the upper layer being located at the first side of the laminated web structure; simultaneously engaging a second side of the laminated web with a second cutter, the second cutter being offset from the first cutter; generating a first crack in the first side of the laminated web with the crack initiator completely through the upper layer; engaging the web with the cutter base of the first cutter; and further propagating the first crack beyond the tip of the first crack initiator using the cutter base, whereby the tip of the first crack initiator is disengaged from the laminated web.

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: A method and device for diverting signatures is disclosed. A first cutting device partially cuts a web, while a second cutting device downstream of the first cutting device fully cuts the web so as to form a plurality of signatures. At least one first belt and at least one second belt hold the plurality of signatures, with the first belt having at least one first raised outer section and passing through at least part of the second cutting device, and with the second belt having at least one second raised outer section. The first and second raised outer sections interact to offset the plurality of signatures so as to define an alternating first stream and second stream of the plurality of signatures.

Abstract: This invention provides patterned tread strips of uniform shape and dimension from salvaged tire carcass tread strips adapted for producing products requiring stacked layers of tread strips. Novel methods of and apparatus for shaping the tread strips in one embodiment results in trimming edges of substantially rectangular shaped tread strips salvaged from tire carcasses having two shorter ends and two longer sides to produce precisely uniform width between the longer sides. Thus the longitudinal tread strips may be passed from one end longitudinally through a power actuated strip feeder which establishes slicing means operable at designated spacings near opposite edges of the tread strips to cut away edges and produce uniform longitudinal strip widths between said two shorter ends as the strips pass through the strip feeder. Other shaping embodiments of the invention include tread surface shavers for producing strips of precise thickness, and length cutters to provide specified lengths.

Abstract: In a knife used in an underwater cutting granulating device for cutting and granulating a fused resin extruded from a die to a water chamber by a cutter rotated in the state where the knife is opposed to the die, the knife of the cutter has a convex guide surface for guiding a water flow in the direction of drawing it toward the die, which is formed on the surface opposite to the surface facing the die and a curved concave guide surface on the side facing the die.

Abstract: A cut-off mechanism for forming metal parts from elongate stock and the like includes a first jaw having a laterally inclined first cutting surface that extends between a sharpened leading edge and a trailing edge. A second jaw has a laterally inclined second cutting surface that extends between a sharpened leading edge and a trailing edge. A connector pivotally interconnects the first and second jaws in a side-by-side relationship at a location spaced apart from the first and second cutting surfaces. The connector positions the leading edges of the first and second cutting surfaces in close planar alignment to shear cut stock positioned therebetween. The leading edge of the first cutting surface has a hook-shaped side elevational configuration extending arcuately between an outer tip portion thereof and an inner base portion thereof.

Abstract: In the field of clearance of unexploded ordnance from land, there is a need for an improved apparatus for removing unexploded ordnance from the ground. A cutting apparatus includes a plurality of blades on a rotatable shaft, the blades being tapered towards their distal ends. When the blades are driven forwardly through soil while the shaft rotates, they tend to loosen items such as solid ordnance and bring such items to the soil surface. The blades simultaneously sever scissile matter in the soil, thereby facilitating removal of the ordnance. The cutting assembly includes a conveyor for conveying unexploded ordnance away from the soil. The cutting assembly may be mounted on a vehicle including further means for rendering harmless the unexploded ordnance.

Abstract: The present invention is a method of cutting an imaging element. An imaging element is moved through a cutting zone formed by a first cutting blade having a first cutting surface and a first engaging surface and a second cutting blade having a second cutting surface and a second engaging surface. In the cutting zone the first engaging surface and the second engaging surface are in contact for a distance greater than or equal to a thickness of the imaging element. The first cutting surface and said second cutting surface are separated by from 1 to 30 percent of the thickness of the imaging element in the cutting zone. The present invention reduces debris and skiving generation.

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: Circular tool (10) for cutting rolls of paper and similar, the tool (10) including a central axial hole (11), two lateral surfaces (10a) and an outer cutting edge (12) defined by two chamfers or bevels (13a, 13b) inclined at respective angles “&agr;,&bgr;” with respect to the lateral surfaces (10a), one chamfer (13a) defining a cutting side of the tool (10) and the other chamfer (13b) defining a side not directly involved in the cutting action of the tool (10), the tool (10) being able to be associated by means of the central hole (11) with a rotation shaft, the lateral surfaces (10a) having a thickness “s” of between 2 and 4 mm and being parallel to each other, the surface defined by the chamfer (13b) not directly involved in the cutting action being covered with a protective layer (14) of material of great hardness.

Abstract: The three-side trimmer comprises three compact cutting units of a nearly identical design, which have a flow of forces that is closed in itself and separate drives. Full-area cutting tables and pressing plates and telescopic cutting tables and pressing plates in the head-and-foot station ensure optimal quality of cut while avoiding the use of replaceable parts for format change. Due to elastic design and a slightly oblique positioning of the pressing plates, air inclusions are prevented from occurring during the pressing. A most lightweight design possible with weak dynamic forces to achieve good quality of cut are provided while avoiding the use of replaceable parts for format change.

Abstract: A paper cutter includes a main board and a cutting member. The main board has a side blade attached to an engaging side for positioning of a document, and a slant surface formed at a front portion of the engaging side. The slant surface extends outwards from a predetermined position of the engaging side to form a first acute angle, and the slant surface further extends outwards from its upper edge to form an obtuse angle. The cutting member includes an edge blade fixed on one side for engaging with the side blade of the main board for cutting the document. The edge blade extends outward from its top side so as to form a second acute angle with the flat surface of the side blade.

Abstract: A rotary knife cutter is provided. The rotary knife cutter has a flywheel to which knife blades are attached at the circumference of the flywheel. The flywheel is directly driven by a gear reducer that is directly connected to a servo-motor. The servo-motor may be operated to rotate the flywheel at a constant speed for cutting or the servo-motor may cause the flywheel to stop after each revolution to regulate the cutting desired. One or more blades may be attached to the flywheel depending upon the desired type of cuts to be made. Cutter bushings varying in size and cross-sectional shape may be utilized to guide a particular cross-sectional size and shape of material to the cutter knives.

Abstract: An apparatus for excising microelectronic packages assembled to a common substrate includes a mechanical element which travels over a path defined on the common substrate, a castor element pivotally mounted to the mechanical element for movement about a pivot axis, and a cutting wheel rotatably mounted to the castor element so as to provide a castoring action for the cutting wheel. The cutting wheel has an asymmetrical cutling edge which selectively engages the common substrate so that when the mechanical element guides the cutting wheel over the path, the cutting edge severs the common substrate to provide one or more of the microelectronic packages separate from one another.

Abstract: A method of cutting food products into uniform thickness slices using a rotary cutting wheel fitted with radially extending, circumferentially spaced, tensioned and forwardly pitched bevel sharpened cutter blades rotating in a cutter plane and extending between a central hub and an annular rim and wherein the blades produce a first velocity of advancement of unsliced food product across the cutting plane for each revolution of the cutting wheel and a given slice thickness during slicing of food product advanced through the cutting plane. The method includes fitting an appropriate number of blades to the rotary cutting wheel to produce the given slice thickness of food products at the operation rotational velocity of the cutting wheel and rotating the cutting wheel at an operational rotational velocity to produce the first velocity of advancement of unsliced food products through the cutting plane of the cutting wheel.

Abstract: In order to achieve speed up of the piercing operation to form elongated forms in a thin sheet whose length is greater than the thickness and width thereof, a piercing apparatus is provided with an upper roller die having a first cutter roller held between press rollers so that the first cutter roller protrudes at the outer peripheral portion thereof, from the outer peripheral surfaces of the press rollers, a lower roller die having recesses between two second cutter rollers and engaging with the outer peripheral portion of the first cutter roller. The thin sheet is continuously fed in the lengthwise direction thereof into the engagement portion between the upper and lower dies. When a sliding cutter is engaged in the recesses formed on the first cutter roller, the thin sheet passing through the engagement portion is cut to form elongated holes.

Abstract: A strand cutting machine at least includes a rotary blade assembly (A) having a plurality of rotary blades, a stationary blade unit (B) having a guide portion (7) for guiding strands toward the rotary blade in an axial direction of a rotary shaft of the rotary blades and a take up roller (1, 2) disposed on the side of the base end of the guide portion for taking up the strands and further includes a housing for accommodating the above mentioned components. Each rotary blade is comprised of a blade plate (5) having a blade edge at one end thereof. Each blade plate has its blade edge which is the closest to the stationary blade and is located on the same rotary plane and is disposed on and around the rotary shaft while the blade plate is retracted far from the stationary blade in a direction from the blade edge to the base end thereof.

Abstract: A pelletizer for plastics a braking unit including has a brake drum disposed on a sleeve for holding a cuttler drive shaft and a diaphragm disposed on a housing. The brakes unit both biasing and axial movement of cutter knives to a die surface through the sleeve by controlling a pressure of the diaphragm, so that a longer life of the cutter knives, ensured cutting of resin, and use of cutter knives made of an inexpensive material can be achieved.

Abstract: A cutter has a roller body which is made from a hollow profile-like inner part and a tubular profile-like outer part having an irregular cross-sectional shape. The outer part and inner part are such that the working flight circle of a tool on the body is approximately as near to an axis of rotation as the maximum outer circumference of the body. Apart from forming a mold core for the outer part, the inner part also forms a clamping body, and includes a supporting body and a balancing counterweight for the tool unit, thereby providing a very high cutter block strength, and at the same time, a low mass moment of inertia.

Abstract: A severing apparatus for sheet-laminating machines for separating sheets, transported as single sheets and coated with a continuous film layer, with severing of the overhanging film layer in the edge region of the overlapping area by means of a moving knife, wherein on a rotary table taking hold of the sheet line from below, at least one and preferably several knives, distributed at equal intervals over the periphery, are pivotably mounted with an essentially radial cutting edge, which, by means of a cam control, on passing over the edge of the sheet line, can be lowered from a raised position into an operating position gliding on the sheet line and can be raised again running up from the sheet line, and wherein the circumferential speed of the knife section cutting into the film layer is appreciably greater than the conveying speed of the sheet line.

Abstract: Blades with tungsten carbide cutting edges have a surface at a relief angle and a surface at a reverse angle at the periphery. A smooth crown is provided at the intersection of the surfaces. The crown will contact and be included within an overlap of a cooperating offset steel blade. The relief angle may be between about 1 and 3 degrees and the reverse angle about 1/4 to 1 degree. The crown may have a finish of about 2-6 micro-inches. The contact between the blades during operation provides a polishing or self-sharpening effect. The tungsten carbide blades are used in rotating shear wheel devices and scissor cutting devices to cut tire cord fabric.

Abstract: A method for slitting a continuously running magnetic tape having a magnetic layer formed on the surface of a non-magnetic substance without producing burring. The tape is slit from the front and rear side surfaces of the magnetic tape by a pair of upper and lower rotary blades having rotational axes substantially parallel to the tape surface and extending in the tape width direction and radially overlapping each other. A gap is formed between blade edges of the rotary blades in the tape width direction having a width in a range of 3% to 20% of the thickness of the magnetic tape.

Abstract: The invention relates to a circular knife (12) as well as a cutting device (11-15) for cutting materials into webs. The cutting device comprises at least one circular knife (12) arranged on a shaft (11) and characterized in that the circular knife is directly mounted on the shaft, the knife being maintained in the cutting position by means of two spacer rings (13) located on both sides of the knife. The knife is characterized in that, when it is mounted according to the present invention device, it exhibits a suitable flexibility, in order, when operating, to generate a pressure on a lower knife whose variations with respect to a mean value do not exceed 10% in absolute value.

Abstract: A method is provided for slicing food product sticks such as loaves or chubs or the like of meat and cheese. A blade assembly is utilized which includes a plurality of, typically two, blade members, each of which has a curved cutting surface that terminates at a trailing tip. A non-slicing mode is achieved by having the blade assembly exhibit a substantial gap between the trailing tip of one blade member and the curved cutting surface leading edge of another blade member. The method is particularly well suited for enhancing the throughput of a food processing line and for improving the quality of sliced products processed therethrough.

Abstract: A roller assembly for supporting a running web of corrugated paperboard in a slitting apparatus includes a pair of rollers which define therebetween a slot for receipt of a rotary slitting blade. The rollers are mounted on separate rotational axes which are angled slightly with respect to one another so that the axially inner edge portions of the rollers where the blade enters the slot therebetween actually engage the blade edge and the diametrically opposite edge portions of the rollers are maximally spaced to define between the adjacent roller faces a downwardly divergent slot. Roller contact with the blade faces helps prevent paperboard adhesive build up and the entry of scrap into the slot. The downwardly divergent shape of the slot allows scrap which does enter therein to be discharged readily with rotation of the rollers. The roller assembly is adapted to be carried with the slitting blade and automatically positioned with the mechanism used to drive and lock the slitting blade in operating position.

Abstract: A cutter assembly of a strand cutting machine comprises a fixed cutter member, over which the strand is to be drawn after being cooled and dewatered, and a rotary cutter member coactive with said fixed cutter member to cut a strand of resin into pellets. The rotary cutter member includes i) a cylindrical rotary body having a forward side surface parallel to a supply-side end surface of the fixed cutter member, ii) a rotary shaft extending perpendicularly to the supply-side end surface of the fixed cutter member and supporting thereon the rotary body, and iii) a plurality of blades mounted on the rotary body in a forward inclined posture in the direction of rotation. The rotary body has a plurality of through-holes arranged at regular distances along a circle concentric with the rotary body, each through-hole extending between opposite surfaces. Each blade is attached to an inside surface 5a of the respective through-hole and has at its end a cutting edge.

Abstract: An apparatus and method are provided for slicing food product sticks such as loaves or chubs or the like of meat and cheese. A blade assembly is utilized which includes a plurality of, typically two, blade members, each of which has a curved cutting surface that terminates at a trailing tip. A non-slicing mode is achieved by having the blade assembly exhibit a substantial gap between the trailing tip of one blade member and the curved cutting surface leading edge of another blade member. The apparatus and method are particularly well suited for enhancing the throughput of a food processing line and for improving the quality of sliced products processed therethrough.

Abstract: A rotary cutting knife for paper cutting apparatus or the like includes a circular periphery carrier with a planar front face and a peripheral wall. Cylindrical bores in the peripheral wall receive cylindrical blade inserts. Each blade insert includes at its outer end an inclined planar blade face which intersects the cylindrical insert wall to form a cutting edge of elliptical contour. The insert receiving bores in the carrier are so oriented that inserts can be and are mounted therein with their blade faces all lying in a cutting plane parallel to the planar front face of the carrier and perpendicular to the axis of carrier rotation. Additionally, the bore orientation is such that the outer ends of the inserts lag their inner ends in the direction of carrier rotation. The assembly provides improvements in strength, blade wear life and precision of cut.

Abstract: A tree cutting apparatus includes a frame having forward and rearward ends, with single generally planar blade rotatably mounted on the forward end of the frame. The blade has a cutting edge extending around a portion of the periphery thereof. The cutting edge as a forward and rearward end, with the cutting edge being spaced a distance from the rotational axis of the blade increasing from the forward end to the rearward end, such that the cutting edge of the blade moves transversely with respect to the forward cross-member as the blade rotates to cut a tree or the like.

Abstract: The lower cutter of an apparatus for longitudinally slitting a continuous web is rotatably mounted about a support shaft extending perpendicular to a direction of formation of the web to be slit. The shaft is fixedly mounted on a machine frame, and the lower cutter is mounted on the shaft for movement to a desired setting position along the shaft.

Abstract: A tree cutting apparatus includes a frame having forward and rearward ends, with a pair of generally planar blades rotatably mounted on the forward end of the frame. The blades are mounted spaced apart within the same plane, each blade having a cutting edge extending around a portion of the periphery thereof. Each cutting edge has a forward and rearward end, with the cutting edge being spaced a distance from the rotational axis of each blade increasing from the forward end to the rearward end, such that the cutting edges of the blades move closer to one another as the blades rotate to cut a tree or the like.

Abstract: An apparatus is provided for slicing food product sticks such as loaves or chubs or the like of meat and cheese. A blade assembly is utilized which includes a plurality of, typically two, blade members, each of which has a curved cutting surface that terminates at a trailing tip. A non-slicing mode is achieved by having the blade assembly exhibit a substantial gap between the trailing tip of one blade member and the curved cutting surface leading edge of another blade member. The apparatus is particularly well suited for enhancing the throughput of a food processing line and for improving the quality of sliced products processed therethrough.