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| Number | Title | Issue Date |
| 7210384 | Slug pulling preventing tooling die A punch and die tooling apparatus commonly used by metal fabricators for creating holes, passages and cavities in metal plate, the die having a unique internal bore which relieves the problem of slug pulling to ensure that a slug punched out of a metal sheet is not ... | 05/01/2007 |
| 7174821 | Punch for a braced die A punch for attachment to a brace of a braced die has a hollow cutting nose with a leading end for cutting a material to be punched and a trailing end opposite the leading end. A shaft extends from the trailing end of the nose and is sized to pass through an apertur... | 02/13/2007 |
| 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 |
| 7032812 | Quick-extraction punch-holder adapter for converting punching machines from a single-punch to a multiple-punch configuration A punching machine comprising at least one punching head including a support body having a first end delimiting a peripheral shoulder, a second end, and at least two parallel seats being angularly spaced from one another and extending through said support body from ... | 04/25/2006 |
| 7024978 | Concentric alignment device for dies and die stripper A punch and die alignment system. A first die includes a first die aperture for receiving a punch. A second die includes a second die aperture for receiving the punch. A first housing includes a first die-receiving passage for receiving at least a portion of the fir... | 04/11/2006 |
| 7021116 | Press brake tooling technology The invention provides press brake and press brake tooling technology. Certain embodiments of the invention provide a press brake tool that has an elongated, retractable safety key. In certain embodiments, the invention provides click-in/slide-out press brake tools.... | 04/04/2006 |
| 7008684 | Strandboard molding having holes at angles of 20 degrees to vertical or more Mold apparatus for molded wood strand three-dimensionally carved articles of manufacture using at least one hole punch comprised of a base and a funnel shaped hole-defining portion having a funnel angle of 20 degrees or greater to vertical for producing molded holes... | 03/07/2006 |
| 7004008 | Press brake tool having lockable safety key A press brake tool that is adapted to be mounted in a tool holder. The tool has a lockable safety key that is moveable between an extended position and a retracted position. The press brake tool has a lock that is operatively coupled to the safety key and is movable... | 02/28/2006 |
| 6923100 | Method and apparatus for punching particle board A punch and backer plate combination is disclosed as an example of the present invention. The punch has a concave recess in its extended end. The punch may be round or have a rectangular shape in plan view and includes a backer plate having an aligned opening with a... | 08/02/2005 |
| 6910263 | Self-piercing rivet setting apparatus and system A self-piercing rivet setting apparatus (9) comprises a punch (14) and a die (18) for driving a self-piercing rivet into a plurality of workpieces including a receiving-side workpiece adjacent to the die. The self-piercing rivet has a large-diam... | 06/28/2005 |
| 6823710 | Die button extractor The present invention provides a die button assembly for locating a die button relative to a body die, and for facilitating removal of the die button from the body die. The assembly includes a substantially cylindrical button having a volumetrically reduced region a... | 11/30/2004 |
| 6736045 | Manually operated corner cutter A manually operated corner cutter includes a base, a support and guide device, a blade post, multiple cutting tools, a press and control handle, and a press plate. The support and guide device includes an upright support post and a slide seat each secured on the bas... | 05/18/2004 |
| 6536318 | Loose lamination die with rotating blanking station In a method and apparatus for rotating loose laminations in a loose lamination die, a strip is fed through the die to a rotatable blanking chamber of a blanking station. There, a punch engages with a die ring to punch a lamination free from the strip. The... | 03/25/2003 |
| 6523445 | Loose lamination die with rotating blanking station In a method and apparatus for rotating loose laminations in a loose lamination die, a strip is fed through the die to a rotatable blanking chamber of a blanking station. There, a punch engages with a die ring to punch a lamination free from the strip. The... | 02/25/2003 |
| 6517298 | Method for selectively relieving sharp edges in tools used in die cutting sheet-type work material A method for selectively relieving sharp edges in tools used in die cutting web or sheet-type work material which includes providing a machining apparatus for supporting the tool thereon, where the machining apparatus includes a rotary cutter mounted ther... | 02/11/2003 |
| 6477930 | Jogger member, system and method for mounting jogger members and female and male blanking dies provided therewith A female blanking die for a die cutting machine for die cutting and/or blanking a carton blank, as well as a male blanking die/female blanking die combination, and methods of producing them, and elements constituting essential integers thereof, are all pr... | 11/12/2002 |
| 6463831 | Method of making a precision punch and die design and construction A precision punch and die device for punching holes in a ceramic substrate and method of assembling the device. The device comprises a punch which moves relative to a substrate for punching a hole in the substrate and a die assembly including one or more ... | 10/15/2002 |
| 6457392 | Process and apparatus for producing an endless seamed belt A novel method and apparatus for producing an endless flexible seamed belt using a punch and die is disclosed. The punch and die have patterned edges in the form of a puzzle cut pattern with extremely small nodes and kerfs. The cutting tolerances of the p... | 10/01/2002 |
| 6453783 | Process and apparatus for producing an endless seamed belt A novel method and apparatus for producing an endless flexible seamed belt using templates is disclosed. A first form of the template is a mask template with a template aperture in the form of a puzzle cut pattern to be used in combination with an excimer... | 09/24/2002 |
| 6397715 | Slug-retaining punch press tool A punch and die tool for cutting a slug from a sheet of material that is retained in the opening of the die and does not adhere to or follow the punch on its upward stroke, and a method for retaining a slug in a die, are disclosed. The die is formed with ... | 06/04/2002 |
| 6318223 | Process and apparatus for producing an endless seamed belt A novel method and apparatus for producing an endless flexible seamed belt using templates is disclosed. A first form of the template is a mask template with a template aperture in the form of a puzzle cut pattern to be used in combination with an excimer... | 11/20/2001 |
| 6318424 | Multi-purpose hydraulic press, metal bending, and log splitting apparatus A multi-purpose hydraulic press, metal bending, and log splitting apparatus is disclosed. An hydraulic ram, having a piston cylinder for extending and retracting a piston rod driven by an hydraulic power means, is rigidly affixed to an elongated I-beam fr... | 11/20/2001 |
| 6311595 | Process and apparatus for producing an endless seamed belt A novel method and apparatus for producing an endless flexible seamed belt using a punch and die is disclosed. The punch and die have patterned edges in the form of a puzzle cut pattern with extremely small nodes and kerfs. The cutting tolerances of the p... | 11/06/2001 |
| 6272957 | Flex die punching apparatus and method Disclosed is a flex die punching apparatus for forming an aperture in at least one sheet of material. There is a flexible, extrudable platen which, upon exertion of a force against it, extrudes at least a portion of at least one sheet of material through ... | 08/14/2001 |
| 6199464 | Method and apparatus for cutting a substrate An apparatus cuts a substrate having first and second portions, each portion having a respectively different level. A first support surface is located at a first level. The first portion of the substrate is supported by the first support surface. A second... | 03/13/2001 |
| 6119555 | Method of making a precision punch and die design and construction A precision punch and die device for punching holes in a ceramic substrate and method of assembling the device. The device comprises a punch which moves relative to the substrate for punching a hole in the substrate and a die assembly including one or mor... | 09/19/2000 |
| 6116127 | Flex die punching apparatus and method Disclosed is a flex die punching apparatus for forming an aperture in at least one sheet of material. There is a flexible, extrudable platen which, upon exertion of a force against it, extrudes at least a portion of at least one sheet of material through ... | 09/12/2000 |
| 6063228 | Method and apparatus for sticking a film to a lead frame An apparatus for sticking a film to a lead frame has a punch moving up and down for punching a film, a die for placing the film to be punched, and a heating plate for heating a lead frame. A punched film with a predetermined shape is applied on the lead f... | 05/16/2000 |
| 6044742 | Die holder mounting structure Pin insertion holes 25, and 26 are adjustable relative to each other and are arranged such that one is on a die holder 6 which is mounted on an alignment plate 7 of a lower turret 2 and the other one is on the alignment plate 7 itself. A mounting pin 11 i... | 04/04/2000 |
| 5974931 | Flex die punching apparatus and method Disclosed is a flex die punching apparatus for forming an aperture in at least one sheet of material. There is a flexible, extrudable platen which, upon exertion of a force against it, extrudes at least a portion of at least one sheet of material through ... | 11/02/1999 |
| 5771764 | Use of cutting tools for photographic manufacturing operations A method of cutting, slicing or perforating photographic imaging elements using certain cutting tools is disclosed. The cutting tool material includes zirconia and yttria at a molar ratio of yttria to zirconia from about 0.5:99.5 to about 5:95. The cuttin... | 06/30/1998 |
| 5595769 | Hinged lid latching mechanism The invention relates to a mold apparatus and a process for forming a lid latching mechanism in a thermoplastic container. The lid latching mechanism features a large, trapezoidally-shaped opening hole. The trapezoidal shape has been found to reduce the a... | 01/21/1997 |
| 5458717 | Method of shearing thin metal sheet A method of shearing a thin metal sheet having a thickness of approximately 0.1 mm or less so as to be separated into a product and scrap by a pair of dies. A chamfer or a round having a size of approximately from 5 to 10 times greater than the thickness ... | 10/17/1995 |
| 5444908 | Die for driving pierce nut A die assembly for driving a pierce nut which comprises an annular coining portion provided on the top of a die body, the inner surface of the annular coining portion being continuous with a center aperture of the die body. An annular projection is provid... | 08/29/1995 |
| 5417133 | Scrap handling in a blanking die A stamping and forming machine positively prevents slug pulling by stripping the slug off of the end of the punch as the punch is being withdrawn from the die opening after a blanking operation. This is accomplished by providing a die insert support in su... | 05/23/1995 |
| 5410928 | Scrap removal system for a stamping and forming machine A stamping and forming machine is disclosed having two operating modules, each of which has a unique scrap removal system. The machine includes a punch assembly and a mating die assembly that reciprocate horizontally toward and away from each other for pe... | 05/02/1995 |
| 5337639 | Outfeed lifter ramp for blanking boxes and other die-cut paper products The present invention contemplates an outfeed lift ramp (24) for use with a male (19) and female (18) combination of blanking dies for separating a diecut paper box blank (21) from an attendant web portion (20). Outfeed lift ramp (24) is appended to the l... | 08/16/1994 |
| 5253559 | Device and system for piercing printed circuits A first tool assembly includes a punch holder assembly and a circuit board clamp and a second tool assembly includes a die for receiving punches held and driven by the punch holder assembly. A circuit board has holes formed by the punches and is clamped b... | 10/19/1993 |
| 5178050 | Die for use in fine press working The object of the invention is to reduce the number of the producing processes of an IC lead frame. In the present invention, a plurality of punches 17 are provided protruding from the base 16 in such a manner that their surfaces are disposed approximatel... | 01/12/1993 |
| 5136907 | Prevention of slug pulling in stamping presses Stamping die for use with a punch to produce holes in strip material with the resulting production of a slug has a camming rib in the die opening. The rib prevents slug pulling when the punch returns from its extended position to its retracted position. T... | 08/11/1992 |
