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| Number | Title | Issue Date |
| 7954407 | Steel rule die and steel rule A steel rule die is disclosed which includes a bottom board with one or more cavity boards stacked on top of the bottom board. A metal plate is located on top of the uppermost cavity board. A top board is located on top of the metal plate. A plurality of rule slots ... | 06/07/2011 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7047858 | Chamfer device for cutting packaging materials A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen... | 05/23/2006 |
| 6979153 | Deep-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 |
| 6912941 | Steel rule die with removable cutting units A steel rule die for cutting cloth and synthetic materials. The cutting die includes a primary substrate and a plurality of cutting units that are removably attachable to the substrate in such a manner that they are easy to adjust, remove and replace. The cutting un... | 07/05/2005 |
| 6779426 | Die rule retention device and retaining board incorporating same An apparatus is provided for improved retention of magnetically attractable die rules inserted into slots of a retaining board. In a die rule retaining board, a plurality of chambers are oriented substantially perpendicular to a die slot and the direction of inserti... | 08/24/2004 |
| 5720991 | Multi-shaped ravioli maker A device to form different shaped raviolis includes multiple uniquely outlined cutting and crimping ribs, surrounding finger ejection holes, and an extrusion die plate hand support system.... | 02/24/1998 |
| 5676032 | Steel rule die with closely nested cavities A steel rule cutting die for cutting fixed patterns in a single or plurality of stacked material layers according to the shape of the steel rule. The invention provides for a decrease in the quantity of scrap material produced, by minimizing the amount of... | 10/14/1997 |
| 5029505 | Steel rule die holder An apparatus is provided for improved retention of steel rule dies inserted into slots of a retaining board. A plurality of chambers are oriented substantially perpendicularly to the direction of insertion and have open faces to permit communication with ... | 07/09/1991 |
| 4945798 | Punch knife A punch knife is formed by a steel band which is provided with a hardened cutting edge and at least one array of perforations and/or a tempered or porous strip of material extending in parallel with the cutting edge.... | 08/07/1990 |
| 4938105 | Method of manufacturing a one-sided or two-sided punching knife for non-metallic materials A method for fabrication of a one-sided or two-sided punching knife (1) for non-metallic materials such as leather, textiles, paper, etc. with a groove (4) lying on the inside and reinforcing plate (3) engaging into the groove. The reinforcing plate (3) i... | 07/03/1990 |
| 4829854 | Cutting and scoring strip A cutting and scoring line consisting of a blade (1) of steel with a cut bevel (2) formed on one longitudinal side of the blade, and the blade (1) is hardened in the area of the bevel (2) and the bevel has a fine grind (5) in the hardened area (4) startin... | 05/16/1989 |
| 4825740 | Cutting dies and punches The invention pertains to a cutting die or punch that comprises a hardened blade and a base portion which is relatively more compressible than the blade. The compressibility of the base allows it to deform under pressure more than the blade. The compressi... | 05/02/1989 |
| 4729274 | Strip-shaped knife for use in punching machines and the like A punching tool wherein the knife is a strip of steel and has a cutting edge flanked by two mutually inclined concave facets. The facets are disposed between the cutting edge and two lateral surfaces which have concave portions adjacent the respective fac... | 03/08/1988 |
| 4601228 | Press knives The invention relates to a press knife for cutting sheet material, comprising a continuous length of blade (2) in the shape of a desired outline to be cut in sheet material and having at least one continuous cutting edge (4) and preferably two, said knife... | 07/22/1986 |
| 4296659 | Jack-O-Lantern forming method A Jack-O-Lantern forming method for cutting facial feature openings (14) in a pumpkin (12). At least one pumpkin die element (26) having a closed contour sidewall element (32) is provided. The sidewall element (32) has a lower edge (36) adapted for contig... | 10/27/1981 |
| 4233873 | Permanent magnetic hold down for steel rule dies Basic steel rule dies are provided which can be combined to produce a variety of die cut patterns. Each basic die contains sufficient magnetic material to hold it in place on a steel chase during the cutting operation.... | 11/18/1980 |
| 3967519 | Multi directional web cutter An apparatus which cuts web, eg mat board, in several directions is provided, which includes a knife carriage which rides on moveable rails over the mat board, the knife carriage having mounted thereon a rotatable blade assembly which indexes the blade to... | 07/06/1976 |
