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Class 83/341 - With means to cause progressive transverse cutting


Subclass of Class 83 - Cutting
Definition: Device wherein means is provided to begin the cut at one
No. of patents: 53
Last issue date: 02/05/2008


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NumberTitleIssue Date
7325472Film cutting device
A fixed cutter is provided on a top surface of an adsorption type carrying belt that carries a film. A cylindrical cutter holder having a rotary cutter is provided in the vicinity of the fixed cutter. The fixed cutter has nearly a triangular cross section, and inclu...
02/05/2008
7191690Helical mechanism cutting unit and method for operating for the same
A cutting unit is described that contains a pair of cylinders disposed opposite one another with a gap formed there-between for receiving a ribbon. The pair of cylinders include a first cutting cylinder having a periphery with a cutting knife disposed helically abou...
03/20/2007
7143674Imaging element having improved crack propagation during conversion
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 an...
12/05/2006
7121130Method and installation for hot-rolling strips using a Steckel rolling frame
The invention relates to a method and an installation for hot-rolling strips using a reversible Steckel rolling frame (8), each side of which is equipped with a respective furnace coiler (9, 10) and a driving mechanism (17,18), provided between ...
10/17/2006
7000517Machine for cross cutting a material web
A machine for cross cutting a material web has a main frame part unitarily formed with a pair of transversely spaced main sides and with at least one main traverse extending transversely between the main sides and a secondary frame part unitarily formed with a pair ...
02/21/2006
6979153Deep-grooving insert having stepped cutting edge
A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ...
12/27/2005
6973760Machine for packaging containers
A machine for packaging multiple containers wherein a flexible carrier stock is fed across a jaw drum. A plurality of containers are also moved through the machine whereby the carrier is subsequently positioned over the plurality of containers so that flexible carri...
12/13/2005
6910415Printing unit cylinder for a rotary printing machine
A printing unit cylinder is subject to only low deformation in the event of operationally induced increases in the temperature of the printing unit. At least the barrel of the body of the printing unit cylinder is produced from a metallic material with a linear coef...
06/28/2005
6729216Sheet processing machine
A sheet processing machine receives sheets from a sheet feeder. The sheets are inspected and their trailing ends are trimmed. Subsequently, the sheets are turned and are split into a plurality of partial sheets or sheet pieces. The now trailing ends of the sheet pie...
05/04/2004
6722243Apparatus for the transverse cutting of weblike material
A rotating cutting cylinder and an opposing member, wherein the cutting cylinder is fitted with a plurality of blade segments distributed along the length of the cutting cylinder and connected to one or more actuators for producing a movement of selective extension ...
04/20/2004
6553883Apparatus for the transverse cutting of weblike material
The apparatus for cutting a weblike material (N) fed continuously along a path (P) through said apparatus comprises a rotating cutting cylinder (101) and an opposing member (105), these being arranged on opposite sides of said path (P). On the cutting cyl...
04/29/2003
6142048Dual rotating blade cutting device for cutting a continuous material
The cutting device (1) for a continuous material, in particular a corrugated web, consists of rotating paired cutter bars (5, 6) mounted in bearings above one another, with blades (8) which run in the lengthwise direction of the cutter bars. Each cutter b...
11/07/2000
6131496Sheet processing machine with a chain conveyor
A sheet processing machine utilizes chain conveyors, each of which are provided with a plurality of chain gripper devices, to convey sheets. As each sheet is conveyed, it is cut by a transverse cutting device and is inspected. Each cut and inspected sheet...
10/17/2000
6065382Cross cutter for web stock, in particular for a corrugated cardboard web
A cross cutter for web stock, in particular for a corrugated cardboard web, has tube-shaped cutter cylinders (4, 5) formed of a composite fiber material which are rotatably mounted in pairs above each other in a machine frame (2, 3). Cutter holders (15) f...
05/23/2000
6009781Differential-spacing perforating roll
A rotatable perforating roll, for use in a continuously operating paper-converting rewinder, comprises at least a first plurality of pockets and a second plurality of pockets, each of the pockets designed to receive at least one perforating surface therei...
01/04/2000
5857392Cutting device for cutting continuous webs
The present invention relates to a cutting device for cutting continuous webs, whereby a draw roller (29) with pulling surfaces (42) and a rotating cutting means (33) are rotatable by separate drive units (28 and 32 respectively) so that the speed of rota...
01/12/1999
5445054Sheet cutting apparatus and method
A sheet cutting apparatus and a method of cutting tobacco sheet into cut filler are disclosed. The apparatus comprises a fixed ledger blade and a rotatable cutter blade coacting with the ledger blade to simultaneously cut the tobacco sheet transversely an...
08/29/1995
5302228Apparatus and method for making V-groove insulation and tank wrap
Disclosed is an apparatus and method of fabricating tank wrap of desired thickness having fibers oriented generally in the thickness direction from lengths of insulation material having fibers oriented generally in the length direction. The method compris...
04/12/1994
5186090Sheeting apparatus
Apparatus for cutting a strip of paper along transverse cut lines spaced along the strip of paper. The apparatus permits ready access to adjustable paper cutting blades utilized in the apparatus and enables ready adjustment of the direction of travel of t...
02/16/1993
5134917Apparatus and method for making V-groove insulation and tank wrap
Disclosed is an apparatus and method of fabricating tank wrap of desired thickness having fibers oriented generally in the thickness direction from lengths of insulation material having fibers oriented generally in the length direction. The method compris...
08/04/1992
5000069Rotary cutter
A paper cutter has a cutter bar and rotary cutting blade that cooperate to slit a continuous web of paper passing therethrough across the entire width thereof. A cam is provided on one end of the cutter roll which lifts the cutter bar out of operative con...
03/19/1991
4943341Device with contrarotating knives for severing filter cigarette uniting bands from webs in automatic filter tipping machines
A device with contratrotating knives for severing filter cigarette uniting bands from webs for filter cigarette assemblies in automatic filter tipping mahines, in which the knives are carried by drums in arrays with their cutting edges meeting with tangen...
07/24/1990
4920842Passive web cutter
A web cutter for use in high speed web transport machines has a roller with a hub, two flanges and three knives supported on the hub between the flanges. In one preferred embodiment the web rides on shoulders provided on the flanges. In another embodiment...
05/01/1990
4765216Knife shaft pair for cutting web-like material, in particular undulated board
Knife shaft pair for cutting web-like material, in particular undulated board, wherein the knives contact each other temporarily under bias, if necessary, shortly before termination of the cutting operation, the cutting edge lying at the trailing side of ...
08/23/1988
4687153Adjustable sheet length/adjustable sheet count paper rewinder
An improvement in paper converting rewinders in which bulk rolls of paper are converted into consumer product rolls of paper such as tear-separable multi-sheet rolls of toilet tissue or paper towels. In such rewinders of the type which include a perforato...
08/18/1987
4664006Rotary cutter apparatus
A rotary cutting apparatus in which the cutting of thin material is possible without the use of a curved blade. The fly and bed knives are positioned according to the formula where C is bed knife camber, R is cutting radius, S is shear angle and L is roto...
05/12/1987
4656905Shearing apparatus
A shearing apparatus for performing several modes of operation on travelling or stationary material. Two cooperative knife drums, which can be rendered rotatable or non-rotatable, form a gap whose spacing is varied by hydraulic piston cylinder assemblies,...
04/14/1987
4648299Apparatus for cutting off a tear-open strip
A tear-open strip is severed from a band of material having a width equal to the desired length of the tear-open strip by cooperation between a stationary knife-edge defining member and a pivotal knife-edge defining member. The knife edges form chords of ...
03/10/1987
4630514Rotary drum shear
A rotary drum shear including two drums rotating in the opposite direction to each other and each having a spiral knife on the periphery thereof so that material fed between the drums is cut by engagement of the knives brought by the rotation of the drums...
12/23/1986
4517873Die cutting apparatus
Die cutting apparatus for making labels and the like wherein a web comprising a layer of pressure sensitive label material on a layer of backing material is fed forward between a pair of cooperating die and anvil rolls, the die roll being adapted to cut t...
05/21/1985
4498362Apparatus for cutting through rod or strand-like products
An apparatus for cutting rod or strand-like products comprised of a rotary holder positioned adjacent the outlet end of a tube from which a water jet is discharged and in which the rod or strand-like products are entrained. The rotary holder includes a pl...
02/12/1985
4491045Rotary cutter for thin, flexible webs
A rotary cutter or scissors for cutting a flexible web material as it travels around a rotating anvil roll. Mounted in the periphery of the anvil roll is an anvil blade having a cutting edge generally extending across the roll. Mounted in a fly knife roll...
01/01/1985
4391169Cutter with angular blades and method for cutting rope therewith
A cutter is provided for cutting rope into fibers of the same or varying lengths. A plurality of blades are provided having cutting edges arcuately arranged and facing either inwardly or outwardly. Rope is fed against the cutting edges and through the spa...
07/05/1983
4366737Cutting head for filter assembler
A cutting head for a filter attachment machine comprises a carrier drum carrying at circumferentially spaced positions a number of knife bodies each of which is clamped onto the drum by retaining devices engaging the ends of the knife body, and including ...
01/04/1983
4363453Apparatus for chopping scrap strip material into small pieces
Continuous scrap edge trimmings are fed from a sheet metal slitter into a scrap chopper incorporating a rotor shaft supporting axially spaced and circumferentially spaced elongated straight cutting bars each having a plurality of selectable straight cutti...
12/14/1982
4356745Synchronous rotary cross cutter
A synchronous rotary cross cutter for cutting a material web of paper or the like has two drums which synchronously rotate about parallel axes at opposite sides of the material web, and a cutting element on each drum. One of the cutting elements is elasti...
11/02/1982
4283976Apparatus for precutting metal strip in the manufacture of spiral strip pipes, e.g. ventilation ducts
A cutting means in an apparatus for continuously manufacturing spiral strip piping, fed in unbroken lengths, consisting of an upper, driven knife wheel (4) and a lower, freely rotating, circular, substantially horizontal support roller knife (20). The kni...
08/18/1981
4230281Scrap chopper
Continuous scrap edge trimmings are fed from a sheet metal slitter into a scrap chopper incorporating a rotor shaft supporting axially spaced and circumferentially spaced elongated straight cutting bars each having a plurality of selectable straight cutti...
10/28/1980
4228735Offset 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 marking strip is affixed lengthwise on an impression cylinder ...
10/21/1980
4200017Sectioning apparatus for elongate material
Method and apparatus for sectioning traveling elongate material. The apparatus has a pair of cutting cylinders mounted for rotation with their axes substantially parallel. Cutting edges are formed at the peripheries of adjacent tapered end faces of the cu...
04/29/1980
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