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5259283 |
Crosscutting device
A crosscutting device for a folder assembly utilizes a pair of cooperating cylinders. A cutting groove cylinder has at least one groove strip assembly on its periphery and cooperates with a cutter...
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5174186 |
Anvil surface for a rotary die cutter
A rotary die cutter includes a rotatable anvil cylinder; and a knife cylinder made rotatable in a face-to-face relation to and in synchronism with the anvil cylinder and having knives fixed on the...
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5156076 |
Radially adjustable anvil roll assembly for a rotary die cutting press
A radially adjustable anvil roll assembly for use in a die cutting cylinder of a rotary die cutting press is comprised of a cylindrical sleeve having an internal bore, a shaft extending...
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5133235 |
Skip-scorer, skip perforator for use with printing press systems
An attachment for use with existing cylinders in printing press equipment. The existing cylinder is machined to have an an annular groove around the center portion thereof. The attachment is...
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5098366 |
Rotary cutters for business folders with multiple tab options
A machine for cutting filing folders to provide identification tabs which includes the use of two rollers, a cutter roller and an anvil roller. The cutter roller has a plurality of surface cutters...
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5083488 |
Radially adjustable anvil roll assembly for a rotary die cutting press
A radially adjustable anvil roll assembly is provided for use with a die cutting cylinder of a rotary die cutting press. The adjustable anvil roll assembly comprises a shaft mounted for selective...
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5078535 |
Locking means
Locking means for a cutting die blanket including male and female locking elements that may be quickly engaged with minimal effort. A series of shoulders, located in the female section, are...
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5076128 |
Die cutter blanket
A replaceable cover for the cylindrical anvil of a rotary die cutter includes a blanket body of elastically deformable material, a sheet metal liner for the blanket body, and a latch assembly for...
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5045045 |
Skip-scorer, skip-perforator for use with printing press systems
A web scoring and/or perforating apparatus for signature folding machines or the like including first and second rollers. Each roller has a scoring or perforating blade portion and a resilient...
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5022298 |
Rotary handle cutout with heated knife
Continuously produced plastic bags are made with cutouts in the bags to serve as handles for the bags. A rotary wheel set is used to interface with a circumferential knife blade to cut the holes in...
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5007318 |
Metal strip edge trimming apparatus
An edge trimmer for trimming the side edges of a running length of metal strip having upper and lower rotary shearing cutter discs engaging the top and bottom respectively, of the strip being...
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4989487 |
Anvil assembly for a slitting machine
The present invention is an anvil assembly for a slitting machine of the type including an arbor having a plurality of laterally spaced cutting disks mounted thereon. The anvil assembly is mounted...
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4982637 |
Rotary cutting apparatus
Apparatus particularly suited for cutting continuously moving thermoplastic film such as linear low density polyethylene and includes a stationary anvil, preferably a roller of tool steel and a...
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4982639 |
Die cutting anvil system
A rotary, die cutting anvil system having a rotatable head with a cover mounted on the peripheral surface thereof. The cover includes inner and outer laminated layers. The outer layer is made of a...
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4936818 |
Paper scoring device
A paper scoring device is on a first rotatable shaft of a pair of rotatable parallel shafts with a cylindrical member on the second shaft with a circular scoring slot around the cylindrical member...
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4934231 |
Rotary die-cutting apparatus
A rotary die-cutting apparatus having cylindrical rollers mounted for rotation on spaced parallel axles. Die plates are mounted on the rollers in tight surface-to-surface contact with the outside...
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4914995 |
Rotary cutting apparatus
A method and apparatus particularly suited for cutting continuously moving thermoplastic film such as linear low density polyethylene and includes a stationary anvil, preferably a roller of tool...
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4887502 |
Machine for slitting metal sheet
A machine for slitting metal sheet has a bridge-type frame provided with upper and lower beams supported on posts. In the space between the two beams are upper and lower powered arbors and also...
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4867024 |
Locking rotary die cutting cover
A rotary die cutting cover for use on a die cutting cylinder, in which the cylinder has a cylindrical external surface and a recess slot extending the length of the cylindrical surface, the cover...
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4848204 |
Die cutter blanket
A replaceable cover for the cylindrical anvil of a rotary die cutter includes a blanket body of elastically deformable material, a sheet metal liner for the blanket body, and a latch assembly for...
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4802394 |
Notching device for strip wrapping material
The notching device effects transverse cuts in strip wrapping material, and in particular, along the length of a continuous strip of transparent outer wrapping material incorporating a longitudinal...
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4791846 |
Oscillating free wheeling resilient cover for rotary die-cutting anvil
Rotary die cutting apparatus wherein the die blanket is mounted with respect to the anvil head such that both longitudinal and transverse relative movement is permitted between the die blanket and...
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4770078 |
Roll-type cutting/scoring apparatus
An apparatus for scoring or cutting has a generally stationary frame, a lower cradle in the frame, and a plurality of lower rollers rotatable in the cradle about respective roller axes and all...
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4638702 |
Web cutting method and apparatus
The disclosed cutting method and apparatus produces a pattern cut in web material by providing a generally conically-shaped rotatable anvil and oppositely disposed knife edge shaped to produce the...
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4610189 |
Web perforating utilizing a single perf cylinder and dual anvils
In the perforation of webs, such as in the perforation of paper webs in the production of business forms, a single perforating cylinder is utilized in cooperation with two anvil cylinders....
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4512226 |
Slitting apparatus and method
Apparatus for slitting the edges of a wet web as it leaves the forming machine to allow a web of a desired width includes a rotatable perforated tube over which the web is passed, a perforated tube...
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4494444 |
Apparatus for cutting glass
An apparatus for cutting glass wherein a scoring element is pivotally connected to the upper arm of a substantially U-shaped member. The lower arm of such member is clamped to a housing and may be...
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4455903 |
Adjustable anvil roll
An anvil roll, for use with a rotary cutting or creasing die, has an expandable shell by which the clearance therebetween can readily be varied. The position of the shell surface is controlled by...
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4452116 |
Assembly for rotary die cutting utilizing a shaftless roll
Die-cutting roll assemblies are provided which utilize a shaftless die roll. In certain embodiments, stability in the press is provided by an assist adaptor which has flanged bearings that...
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4437373 |
Arrangement for perforating or cutting foils
An arrangement for perforating foils, particularly of synthetic plastic material, has an elongated cutter and a counterelement movable relative to one another in a direction of elongation of the...
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4378737 |
Roller apparatus with replacement blanket
The invention relates to a roller having a core with a channel formed in the surface which extends across the surface of the core. The channel is tapered in width from a first width adjacent a...
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4289055 |
Rotary die anvil
An improved rotatable anvil is provided. The anvil is of the type useful to cooperate with a rotatable die cylinder in manufacturing paper blanks and the like. The anvil comprises compressible...
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4267755 |
Fur-cutting apparatus
A circular-knife roller having several side-by-side arranged circularly shaped knives provided in a fur-cutting machine. A porcupine is arranged below the circular-knife roller and the axis of...
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4228735 |
Offset duplicating machine
In an offset duplicating machine, an implement for marking, such as perforating, slitting, scoring or the like, each printed sheet conveyed through the machine; for transverse marking, a first...
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4226150 |
Deflectable bearer roll
This invention relates to die-cutting roll presses and, more particularly, to a means for adjusting the spacing between the axes of the anvil roll and the die roll of a press.
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4191076 |
Rotary anvil construction
A rotary anvil construction, method of locking a die-cutting mat on such construction, and locking wedge for use with such construction and method are provided wherein the locking wedge is an...
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4184619 |
Cutting device
A cutting device for cutting sheets of material wherein a cutting member co-operates with a bed of upstanding pins which support the sheet. Although the cutting member may be a knife, it is...
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4170509 |
Tire building apparatus
A simple compact apparatus for applying sheet material, e.g., gum liner or radial ply stock, to a tire building drum has a plurality of rings carried on flanged rolls on three shafts. The rings...
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4075918 |
Rotary anvil cover
A cover for a rotary anvil which includes in combination, a main body of flexible material having ends with alternating lugs and recesses adapted to interlock with one another, and a comparatively...
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4074599 |
Paper web perforating machine
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...
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4073207 |
Lock for rotary die cutting blanket
Locking means for a cutting die blanket is disclosed to include male and female locking elements which, when engaged, generate a state of compression in the blanket coating material such as to...
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4073208 |
Anvil structure for rotary die cutting apparatus
Anvil structure for use in rotary die cutting apparatus is disclosed to include a shaft mounted anvil head, a slip ring slidably mounted on the anvil head and a die blanket releasably secured to...
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4045196 |
Method and apparatus for chopping glass strands
A method and apparatus for the chopping of glass strands is disclosed. The back-up or cot roller for the chopping blades includes an annular cutting surface or ring which is mounted on an...
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4041820 |
Veneer clipper
An anvil roll has a steel core and an outer portion of polyurethane. The roll is slightly rotated after a number of veneer clipping operations by a clutch which drives the roll after the roll is...
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4031600 |
Attachment means for a machinery drum cover
A replaceable cover band for a machinery drum wherein the respective ends of the cover have mating flange portions which join together within a transverse slot located in the surface of the drum....
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4014234 |
Cutting apparatus
This cutting apparatus includes a frame structure supporting a cutting roller and a counter pressure roller arranged at an angle relative to the feed advance direction of sheet material to be cut....
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4003276 |
Slitter and dust collector therefor
A slitter having slitting blades juxtaposed to the periphery of a bristle-face anvil roll is provided with a dust collector adjacent the interface between said blades and roll. The dust collector...
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3994193 |
Air bearing slitter
An air bearing slitter wherein the slitter disc is mounted on a hub that is freely rotatable and axially movable relative to a shaft on an air bearing. This arrangement has been found to improve...
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3977617 |
Film winding and perforating apparatus
Apparatus for unwinding synthetic resin film from large mill rolls of such film, and concurrently winding the film in a product roll for purposes of marketing, after transversely perforating the...
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3965786 |
Rotary die cutter
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...
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