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| Number | Title | Issue Date |
| 7370562 | Method for controlling slitter-scorer apparatus A method for controlling a slitter-scorer apparatus in which a feed line for a paperboard sheet does not need to be stopped when order specification of cutting or scoring for the paperboard sheet has been changed, thereby reducing a setup time, is proposed. The meth... | 05/13/2008 |
| 7338425 | Variable length cutting device A variable length cutting device includes a cutting cylinder and a transfer cylinder. The transfer cylinder cooperates with the cutting cylinder for cutting a ribbon into signatures having a desired cutoff length. An adjustable diameter portion of the transfer cylin... | 03/04/2008 |
| 7134372 | CNC slitter machine A machine for slitting a metal sheet has a number of knife holder assemblies each containing a rotary knife. The knife holder assemblies are mounted for movement along upper and lower rotating shafts which rotate the knives during a slitting operation. The position ... | 11/14/2006 |
| 7090631 | Methods and apparatus for scoring and trimming imaged sheet media A sheet finishing apparatus includes a media path configured to receive a sheet of media moving along the media path. A creasing tool is located proximate to the media path and is configured to form a crease in the sheet of media. The apparatus also includes a sheet... | 08/15/2006 |
| 6651539 | Perforating, grooving or cutting device for a multicolor sheet-fed rotary press The invention relates to a perforating, grooving or cutting device for a multicolor or single-color sheet-fed rotary press (1) comprising printing and/or varnishing groups (2), at least one of which has a rubber cylinder (3) with a holding system (14) for... | 11/25/2003 |
| 6193640 | Paper feeding in a folder Folders in a web-fed rotary printing press are associated with two spaced horizontal planes. Each of these planes is provided with a superstructure carriage that supports a plurality of turning bars. Each of the superstructure carriages can be displaced h... | 02/27/2001 |
| 6165117 | Device and method for the slitting of a web and slitter/scorer machine incorporating said device The device comprises at least one circular slitting tool (25; 25B) with an axis of rotation located on one side of the path of the web, which works in conjunction with an edge (68; 68B) that supports the web (N) and that is situated on the opposite side o... | 12/26/2000 |
| 6159137 | Apparatus for folding sheet material having improved slitting, scoring/crushing, gathering, and folding sections or devices A apparatus for manufacturing an object of a folded sheet material has improved slitting, scoring/crushing, gathering, and folding sections or devices. Qualifying means, slitting means, and scoring/crushing means are adjustable with respect to a flat, pla... | 12/12/2000 |
| 6007469 | Method for forming a honeycomb corner protector with self-locking panels A method for forming a honeycomb protector for protecting the corners, edges or other surfaces of articles during shipping of such articles comprising self-locking honeycomb panels. In one embodiment, the protector includes first and second unitary panels... | 12/28/1999 |
| 5906569 | Conversion machine and method for making folded strips A machine and method for making folded strips, which machine and method are characterized by features that enable a reduction in the size, weight and cost of the machine. The machine and method comprises a housing having first and second housing sections,... | 05/25/1999 |
| 5882287 | Device for manufacturing a multilayered tube for the manufacture of paper bags A device for manufacturing a multilayered tube formed of paper webs that are provided with transverse perforations at identical distances, wherein sections of the tube are torn off in order to manufacture paper bags, includes at least one perforating knif... | 03/16/1999 |
| 5779617 | Tool head positioning device A tool positioning device for use in combination with a machine for working paperboard blanks conveyed in a horizontal direction through the machine. The machine includes pairs of parallel rotary shafts wherein each pair of shafts includes upper and lower... | 07/14/1998 |
| 5429577 | Multi-purpose rotary slit-scorer and products formed thereby Toothed perforating rules upon the die roll of the rotary die apparatus form tear strips, punch-outs, reverse fold lines, nicking connections and similar weakened or frangible sections in corrugated paperboard sheets during passage thereof through the nip... | 07/04/1995 |
| 5378221 | Assembly and method for axially aligning slotting, trimming, scoring or like heads A device and method for axially aligning a rotary head assembly. The rotary head assembly includes a rotary head and an axial alignment assembly. The axial alignment assembly includes a guide plate means fixed to the rotary head. The guide plate means has... | 01/03/1995 |
| 5275075 | Adjustable triple wall fold apparatus and method An apparatus and method for forming a fold construction in a triple wall corrugated paper board comprises a pair of spaced apart main frame plates having four support plates connected therebetween in a direction which is transverse to a feed direction for... | 01/04/1994 |
| 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 mounted in the groove such that a scorer/perforator blade extend... | 07/28/1992 |
| 5131901 | Scoring and perforating apparatus Apparatus for scoring and perforating sheets of paper which receives sheets of paper in flat or folded condition and which applies scoring or perforating lines at selected locations, and delivers the sheets to a folding machine or other apparatus for furt... | 07/21/1992 |
| 5057068 | Device for sidewise shifting of a tool in a slotting station contained within a machine processing sheet-like workpieces The invention is directed to a device for sidewise shifting and positioning of a tool in a slotting station situated within a machine used for processing sheet-like workpieces. The station includes a creasing tool, a counter tool, which are mounted on a f... | 10/15/1991 |
| 5049120 | Folder with means for producing a smooth cut In a adapted folder for folding sheet products there is provided a combination having two knife cylinders with shear action knives of which one has pins adjacent to its knives for holding cut off trimmings of product, and a suction duct whose opening exte... | 09/17/1991 |
| 4983155 | Paper web cutter A paper web cutter for cutting across the width of a moving web of paper in locations along the length of the web, for severing the web in two sections. Two conveyors carry the web therebetween and hold the web against each other. One conveyor carries a c... | 01/08/1991 |
| 4846778 | Slitter scorer including a head exchanging device A slitter scorer including a pair of rotating shafts and roll heads fixedly mounted opposite to each other on said rotating shafts, thereby working a sheet carried between said roll heads, comprises plurality of pairs of head holding shafts having the sam... | 07/11/1989 |
| 4690022 | Stamping device having identical mount bases for rotatably supporting a cutting tool and an anvil A stamping device for cutting holes in paper sheets such as corrugated cardboard including a pair of identically shaped one-piece mount bases each of which is slidably mounted on and fixed to a rotatable upper and lower shaft for rotation therewith, each ... | 09/01/1987 |
| 4684360 | Tool positioning device A device for positioning tools such as slitters and scorers used with a corrugating machine is proposed. As a pair of rotary shafts rotate, tool heads mounted thereon and each carrying a tool rotate, so that the tools work the web of corrugated fiberboard... | 08/04/1987 |
| 4557713 | Bag making machine and method Apparatus for making bags from a folded web of thermoplastic material includes a rotating drum to which the web is continuously applied. As the drum rotates through a given arc length, the web is tucked outwardly from the periphery of the drum in progress... | 12/10/1985 |
| 4515052 | Automatic slitter A duplex slitter scorer mounted on a single pivoted sub-carrier is provided with a single power adjusting apparatus disposed entirely below the paper feed path. The adjusting apparatus includes a single rotatable lead screw to position a common carrier mo... | 05/07/1985 |
| 4496338 | Folding blade cylinder A folding blade cylinder for use in a rotary printing machine is disclosed. The periphery of the cylinder is provided with a plurality of spaced circumferential slots. Arched carrying bows are positioned within the slots and elements which are capable of ... | 01/29/1985 |
| 4316317 | Method and apparatus for adjusting roller rings on a shaft Method and apparatus for adjusting roller rings (5) on a roller (4) in exact positions in the peripheral and the axial directions in relation to each other and in relation to the roller (4), and in which the apparatus comprises a parallelogram means (11) ... | 02/23/1982 |
| 4309804 | Method for attaching die plates to cylinder segments There is disclosed a method and apparatus for accurately attaching a die plate to a cylinder segment in a manner that assures accurate registration of two die plates so attached to cylinder segments used in a cutting and creasing machine to cut or crease ... | 01/12/1982 |
| 4147337 | Sheet transfer apparatus A sheet transfer apparatus which can vary the effective spacing between the cutting cylinder and the transfer cylinder and between the transfer cylinder and the folding blade cylinder in a folding cylinder group for a rotary web-fed printing press is disc... | 04/03/1979 |
| 4033217 | Slitter having carrier for selective adjustment of a plurality of heads A duplex slitter is provided with two stationary stations each having one or more pairs of drive shafts rotated on fixed centers and carrying a plurality of slitting and creasing head pairs. Each station is provided with a single mechanism for power adjus... | 07/05/1977 |
