Abstract: Web cutting apparatus employs a rotary knife cylinder with elongated, radially outwardly projecting knife blade assemblies spaced around its periphery. A rotary anvil cylinder spaced parallel to the knife cylinder carries a corresponding peripheral array of elongated anvils. When the two cylinders rotate, the knife blades bear against the anvils at the nip between the two cylinders. The knife blade assemblies are flexible and resilient so that each blade edge is biased against its anvil at the instant of interference, with a local force sufficient to cut web. Further, the natural frequency of the knife assemblies is selected to be considerably higher than those of the other machine parts so that the spacing between the knife blades and the anvils at the nip is substantially unaffected by vibrations of those parts. Also the apparatus efficiently removes trim strips produced by the web cuts.

Abstract: A modification to a reel type staple cutter wherein a hollow drive shaft for the reel communicates with internal passageways in the top plate of the cutter reel. Holes are formed through the top plate at locations between adjacent cutter blade assemblies. Air fed through the shaft is continuously jetted through the holes against advancing wads of cut staple to strip off staple.

Abstract: A diecutting apparatus is disclosed which accepts interchangeable die cylinders of a variety of lengths and diameters. Rapid replacement, adjustment and reversal of the die is possible. The station has a support bar for mounting the die cylinder and a slidable support for the die cylinder bearing blocks. The bearing blocks slide horizontally along the support bar to accept die cylinders of a variety of lengths. The support bar is mounted at each end on transverse slides which slide vertically to accept die cylinders of a variety of diameters. Mounted above the die cylinder support bar is a support slide on which are mounted contact rollers and pressure cylinders for applying a biasing force to the die cylinder. The slides may be fixed in place for each particular die cylinder used. The pressure cylinders and contact rollers act on bearing surfaces on the die cylinder.

Abstract: A machine for performing certain operations in the production of endless business forms has a plurality of cross-perforating knife blades for perforating the endless paper webs at predetermined increments, whereby the perforating knife blades are mounted in slots in the surface of rotating cylindrical bodies and are cutting through the paper webs with their spaced apart perforating knife edges against a rotating "anvil" cylinder which has a hardened, smooth surface. The cyclic impacts of the perforating blades on the anvil cylinder can become resonant with critical frequencies of the anvil cylinder at certain speeds of the latter and with a certain number of inserted perforating blades causing the destruction of the cutting edges of the former, and therefore the structure of the anvil must be such that no resonances will occur between the cyclic impacts of multiple perforating blades at high speed production operations of the machine.

Abstract: Process and apparatus for cutting continuous strand or roving, particular strands of mineral material such as glass, into short lengths is disclosed. The apparatus employs a rotatable drum equipped with a large number of radially disposed cutting blades, the drum cooperates with a supporting device for supporting the strand as it is cut. Ejector bars are maintained in position on the drum between adjacent cutting blades by elastic mounting members that receive the ends of the ejector bars. The elastic mounting members cause the ejector bars to compress the strand against the support drum as the strand is being cut and, in conjunction with centrifugal force arising from rotation of the drum, to eject the cut pieces of strand from the cutting drum.

Abstract: A machine for perforating high density polyethylene film comprising a feed roller, cooperating male and female rollers between which the film passes for perforation and a take-up roller for receiving the perforated film material. A plurality of blade members are housed within the male roller and under the influence of adjustable indexing means are adapted for reciprocal motion relative to the surface of the male roller. In the vicinity of the female roller preselected ones of the blade members are caused to project from the surface of the male roller and to enter a complementary recess in the female roller to perforate the film material as it passes between the male and female rollers. The longitudinal distance between the perforations on the film is determined by the selection of blade members caused to project from the male roller during each revolution of the male roller.

Abstract: A machine for automatically producing a bib apron and for affixing a narrow strip thereto to form both the neck loop and tie elements for the apron. The machine includes a cutting mechanism having a skewed roller carrying a cutting blade which makes point contact with a second roller to divide a continuous web of nonwoven fibrous material into separate rectangular sheets. The material for the strip is folded longitudinally and is then advanced across each sheet by a feed mechanism including a capstan drive and a clamping mechanism for holding the strip in juxtaposition with the sheet. Thereafter, the strip is contacted by a pull member which draws the center of the strip in a downstream direction to form a "V". The forward corners of the sheet are then folded over the legs of the V and are adhesively secured to the body of the sheet to hold the strip in place.

Abstract: A simplified, relatively low cost web-cutting cylinder and assembly adapted to be mounted on a web collator and having a vacuum-type, through-the-cylinder slug removal feature is provided which permits easy, clean, high-speed removal of successively cut web slugs produced when standard English-sized equipment is used to produce metric-sized business forms or the like. The cutting cylinder is adapted to be mounted adjacent a conventional, unmodified anvil cylinder and preferably includes an inwardly and axially extending, tapered bottom, slug-receiving slot or groove and a pair of slug-cutting peripheral knives mounted on opposite sides of the slot; a vacuum slug-removal system is coupled in communication with the slot for removing cut slugs without the necessity of any moving parts which can limit collator output and substantially increase equipment costs.

Abstract: A rotary cutting die is adapted to be mounted on a rotatable cylindrical die drum of a rotary press to cut a planar object passed between such rotating die drum and a cooperative oppositely-rotating anvil drum of said press. The rotary die includes: a die board having a concave surface adapted to cover a portion of the die drum, an opposite convex surface, and a plurality of openings therethrough; a plurality of fasteners adapted to selectively hold the die board to the die drum; a plate-like knife member adapted to be mounted on the die board at any of a plurality of large incremental positions in a longitudinal direction; and holding means mounted on the die board and selectively operable to hold the knife member at any selected one of the large incremental positions. In one embodiment, the die board openings are longitudinally-elongated to permit the die board to be shifted longitudinally relative to the die drum.

Abstract: Method and apparatus are disclosed for cutting tow by supplying the two with a pair of rolls to form a package next to cutting edges inside a rotating ring of blades. A pressure roll forces the tow against the cutting edges which form a surface of rotation preferably at an angle of 5.degree. to 85.degree. to the axis of rotation of the circle of blades.

Abstract: An adjustable apparatus can cut V-shaped segments of different dimensions from continuous sheets so that the V-shaped segments of different dimensions are suitable for application as wrappers to double cigar bunches of different dimensions. The apparatus can also cut the two tails of each V-shaped segment into flag-shaped configurations which will permit the smooth application of the two tails to the opposite ends of double cigar bunches having rounded ends.

Abstract: Upper and lower combined cutting and anvil rolls are provided with axially-extending circumferentially-spaced grooves for receiving compression cutting blades clamped therein, with their cutting edges substantially engaging the anvil portions of the other roll. One roll is drivingly connected to the other roll by intermeshing helical gears whereby one roll can be shifted axially and thereby simultaneously shifted circumferentially relatively to the other roll in order to vary the circumferential spacing of the cutting blades of the upper and lower rolls so as to vary the lengths of the sheets cut from a web of paper emerging from a printing press by which the pages have been printed. An adjusting screw shaft engages the upper roll through a thrust bearing and is equipped with a hand wheel and lock nut wheel to shift the roll axially and lock it in position. Registering concentric annular dials between the upper axially-adjustable roll and its helical drive gear indicate the adjustment which may be obtained.

Abstract: The invention relates to a device for opening and conveying freshly spun staple fiber bundles. Said device is attached to a staple fiber cutter and consists of an axial blower with increased space between the fan blades and the interior wall of the casing.

Abstract: This ticket making machine is capable of issuing a single ticket without waste of ticket stock. A web of ticket stock having a magnetic stripe record surface is arranged to be advanced around a rotating carrier having a magnetic recording unit and one ticket (web) parting member arranged internally threof. The web is passed between the rotating carrier and a complementary ticket (web) parting member. The peripheral speed of the rotating carrier is very much greater than the speed of the advancing web, whereby the information is magnetically recorded in close to conventional manner. The one parting member is a double-ended anvil arranged to be rotated into and out of position for parting the web in cooperation with a blade forming the complementary parting member. A camming surface arrangement in the same frame structure as the carrier and web are mounted and a cam follower coupled to the anvil toggles the latter on demand for exerting relatively light force for engaging the two in parting the web.

Abstract: This is a rotary sheet material cutter and creaser, particularly intended for cutting and creasing cartons out of rolls of sheet cardboard. It includes a rotary cutting and creasing die geared together with a rotary anvil and particularly provided as an attachment for or end part of a carton-printing printing press, which printing press is conventional, and which may be multi-color.The cutter and creaser of this device is synchronized with the printing press by having its gearing geared to the printing press gearing in a conventional manner, and may be provided in gangs for operation on a wide roll of material, thus providing a multiplicity of cut-out cartons simultaneously. The sheet material is fed through the conventional printing press in a conventional manner from a roll, then through this device to cut out and crease the folds of the carton blank.

Abstract: The rotary panel cutter includes a cutter die that has a continuous upstanding knife blade. The cutter die has a body portion that is secured to a rotatable cutter shaft having a longitudinal axis. The cutter die knife blade has side edge portions that are perpendicular to the longitudinal axis of the cutter shaft and leading and trailing edge portions that are not parallel to the longitudinal axis of the cutter shaft. For cutting rectangular openings in a web the continuous upstanding knife blade has the configuration of a regular parallelogram wherein the length of side edges is the same and the length of the leading and trailing edges is also the same. The rotatable cutter shaft is mounted in a machine frame with its longitudinal axis at an angle other than 90.degree. with the center line of the web. The angle that the rotatable cutter shaft deviates from 90.degree. is preferably the same angle as the angle of deviation of the knife leading and trailing edges from the longitudinal axis of the cutter shaft.

Abstract: An apparatus designed to facilitate the processing of uncured rubber or like raw material, which is normally produced, stored and shipped in sheet form but which is to be subjected to a continuous and uniform strip feeding into an extruder, mill or like treating means, is disclosed. The apparatus includes cutting means for forming in a sheet of such material a plurality of slits extending across the sheet and spaced from each other longitudinally of the sheet, the slits in an alternating sequence starting at the opposite side edges of the sheet and each terminating short of the respective other side edge of the sheet. In its preferred version, the cutting means is a rotary cutter having an even number of ogee-curved blades extending transversely to the sheet feed direction, the blades being alternatingly recessed at one end each, so that each cutting edge effectively starts at one end of the cutter and terminates somewhat short of the other end thereof.

Abstract: A rotary die cutter comprises a pair of plate and anvil cylinders rotatable about fixed and spaced axes for die cutting a web passing therebetween. A die cutting plate is secured along the periphery of the plate cylinder, and an anvil plate is secured along the periphery of the anvil cylinder. The clearance between plate and anvil cylinders is determined by the thickness of the anvil plate thereby providing an interference between plates for a clear-through die cut or a gap for die cutting less than each layer of a multi-layered material depending on the thickness of the anvil plate selected.

Abstract: A rotary cutting mechanism for the accurate, repetitive, controlled, pattern spacing of slits in thin flexible sheet material. The mechanism comprises a pair of rolls with one of the rolls having a plurality of blades spaced at intervals about its circumference. Each blade contains a plurality of cutting edges. The other roll has a plurality of platen bars spaced in a manner to cooperate with each cutting edge. Both of the rolls have steel bearers mounted at their ends with the bearers on the rolls having the same diameter as the outer edges of the cutting edges and of the platen bars to precisely control the cutting action of the mechanism.

Abstract: Apparatus for severing a tow of crimped textile fibers has an outer cage and an inner cage. The inner cage has an annulus of idler rollers extending in parallelism with the common axis of the cages, and the outer cage has an annulus of elongated knives whose cutting edges spacedly surround and face the rollers. A tow of textile fibers is fed axially into the inner cage and is guided radially outwardly by an eyelet in the inner cage to enter a ring-shaped compartment between the knives and the rollers. A motor drives the inner cage or the outer cage to thereby convolute the tow in the compartment whereby the driven cage adds convolutions in the region immediately adjacent to the rollers and such convolutions cause the outer convolutions to expand toward and to be severed by the cutting edges. The severed fibers are withdrawn by a suction chamber which surrounds the outer cage.

Abstract: A method and apparatus of producing continuous, cross-perforated, snap-out business forms and the like consisting of a plurality of properly aligned, superimposed sheets in which the interval between crossperforation lines may be varied with a minimum of "downtime" to provide business forms of diverse sizes while maintaining a uniform fold interval for stacking the continuous sheets one on top of the other into a pack.