Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7726227 | Base for a paper punch and method of forming same A method of forming a base (118) for a paper punch (154) is disclosed as including the steps of (a) providing a cast iron core (102) with a wall (104) and a plate (106) with a hole (108); (b) providing two generally U-shaped... | 06/01/2010 |
| 7308814 | Method for perforating a sheet A method for perforating a sheet (1) with the aid of a stamp (3) and a matrix (2) is described, the sheet (1) being elongated before the hole punching in accordance with the setpoint diameter in the hole boundary area through bulging of t... | 12/18/2007 |
| 7284478 | Mold assembly for embossing thin products A mold assembly for embossing thin products includes a first carrier with a female mold connected to an inside thereof and a second carrier with a male mold connected to an inside thereof. The female mold faces the male mold, and the thin product is sandwiched betwe... | 10/23/2007 |
| 7270042 | Paper punch apparatus A paper punch apparatus comprising a flange-storing space for storing the flange portion in an elevating unit, an insertion/removal portion for insertably supporting a supporting axis of a bit reception plate in communication with the flange portion, and a bit-recep... | 09/18/2007 |
| 7249551 | Gasket cutter with changeable and reversible dies and punches A gasket cutter with changeable and reversible dies and punches including a body having upper and lower opposed arm members, a cylindrical member slidingly engaged within said upper arm member to be raised and lowered by rotation of a handle attached to the cylindri... | 07/31/2007 |
| 7219432 | Stamping and die-cutting tool with a quick mould change design A stamping and die-cutting tool with quick mould change design comprises: a casing and a pushing member. The pushing member has a pushing portion to be fixed at an extended position and a retracted position alternatively after being pressed repeatedly. The pushing m... | 05/22/2007 |
| 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 |
| 7201101 | Punch capable of punching an object at four directions A punch includes a jig having four punching regions, each punching region having a pattern hole and a concave embossment; guide columns extended upward from a border of the punching regions on the jig; a base for fixing the jig; a punching member punching and emboss... | 04/10/2007 |
| 7171883 | Punching apparatus and the punching unit thereof A punching apparatus is provided which can of punch a non-circular holes at a predetermined position of a work piece. In the punching apparatus for punching a hole by means of a punch integrated into any one of the moving part of a press working machine or the suppo... | 02/06/2007 |
| 7171885 | System for fixing rotary cutting dies in machines for die cutting laminar material System for fixing rotary die cutters in die cutting machines for cutting laminar material includes a fixing means between the die (1) and a die-holder surface or cylinder (2) around which the die (1) is arranged, wherein the a fixing element inc... | 02/06/2007 |
| 7171882 | Knife-like cutting die A knife-like die for cutting a thermoformed plastic article from a sheet of thermoformable plastic. The die includes a die build up plate that is mounted to a first platen and a striker plate that is mounted to a second platen. The die further includes a die board h... | 02/06/2007 |
| 7100417 | Lower die assembly in pressing machine An improved lower die assembly is provided which allows a given lower die in a pressing machine to be replaced with another easily and in a short period of time relative to a die holder. In the lower die assembly in which a lower die is received and securely held in... | 09/05/2006 |
| 7080584 | Method and apparatus for perforating a non-woven sheet To produce at least one perforation in a non-woven sheet (N) of fibers or filaments, the sheet (N) is brought into contact with a perforated cylinder (2), equipped with at least one insert (8). Each insert includes, at one end, a plane surface (S), and... | 07/25/2006 |
| 7051427 | Integrated circuit trimming device broken die sensor A broken trim die tool detection sensor. The lands of the tie bar die connect with the leads of the unit to form switches. The states of these switches indicate broken die lands or other malfunctions. ... | 05/30/2006 |
| 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 |
| 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 |
| 6981327 | Two piece punch with pilot hole locator A two piece punch is provided for use in a punch assembly. The punch includes a generally disc shaped cutter and a cylindrically shaped nut. The punch is assembled by passing a portion of the nut through an aperture in the cutter. The punch is mounted to the remaind... | 01/03/2006 |
| 6973729 | Knockout punch with pilot hole locator A knockout punch is provided with a member such that when the punch and the die are drawn together by the draw stud to make a hole in a workpiece, the member on the punch will locate the punch assembly in a pilot hole. In three embodiments of the invention, the memb... | 12/13/2005 |
| 6925922 | Apparatus for removing tiebars after molding of semiconductor chip An apparatus for removing tiebars of a lead frame after one or more semiconductor components have been encapsulated in a resin to form a package body includes first and second removing stations. The second removing station is provided for removing scraps that may be... | 08/09/2005 |
| 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 |
| 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 |
| 6880441 | 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 precision d... | 04/19/2005 |
| 6772667 | Self-centering trim punch Cast metal parts are created for use in making machinery. When these parts are formed, unwanted material remains in the openings of the parts. This material, called flash, must be removed. In the method of the present invention, the cast parts are placed on a platen... | 08/10/2004 |
| 6772507 | Method of manufacturing magnetic recording medium A method of manufacturing a magnetic recording medium having a disc-shaped flexible slave medium accommodated in a case, onto which servo signals are effectively recorded by a magnetic transfer method with high quality. The method includes a slitting step for cuttin... | 08/10/2004 |
| 6769340 | Self-centering trim punch Cast metal parts are created for use in making machinery. When these parts are formed, unwanted material remains in the openings of the parts. This material, called flash, must be removed. In the method of the present invention, the cast parts are placed on a platen... | 08/03/2004 |
| 6739244 | Punch and emboss tool with interchangeable dies A punch/emboss tool is provided that accepts interchangeable insert sets. A punch insert set consists of one punch and one die that cooperate to punch out a particular design in sheet material, such as paper. Similarly, an emboss insert set consists of one emboss di... | 05/25/2004 |
| 6736039 | Workpiece shift apparatus for punch press A workpiece shift apparatus includes a bottom plate (10), a middle plate (40), and a top plate (70). A first pushing plate (26) is slidably attached on the bottom plate. The first pushing plate includes cutouts (30) in one edge the... | 05/18/2004 |
| 6722237 | Method for aligning and severing articles from a web of thermoformable material A trim press article handling apparatus includes a punch plate, a die plate, a plunger, and a receiver. The punch plate has a punch, and the die plate has a die cooperating in relative movement with the punch plate to sever articles from a thermoformable web. The pl... | 04/20/2004 |
| 6691598 | Lightweight dimensionally stable steel rule die A lightweight, dimensionally stable steel rule die for cutting and scoring carton blanks having a die board containing cutting and scoring rules which is formed of a laminated plastic construction adapted to register and coact with a steel counterplate ov... | 02/17/2004 |
| 6655250 | Punching apparatus A punching apparatus is provided capable of punching a non-circular hole at a predetermined position on a work even when the rotatable range of the work setting is restricted. In the punching apparatus for punching a non-circular hole at a predetermined p... | 12/02/2003 |
| 6619169 | System for punching metal sheets and for stacking metal sheets in the appropriate punched pattern A system for punching metal sheets and for stacking metal sheets in the appropriate punched pattern, particularly for electric machines, has a die for punching the metal sheets, a die plate cooperating with the die, and a guiding device for guiding the pu... | 09/16/2003 |
| 6508155 | Self-centering trim punch Cast metal parts are created for use in making machinery. When these parts are formed, unwanted material remains in the openings of the parts. This material, called flash, must be removed. In the method of the present invention, the cast parts are placed ... | 01/21/2003 |
| 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 |
| 6435067 | Apparatus and method for registering articles during a web processing operation A trim press article handling apparatus includes a punch plate, a die plate, a plunger, and a receiver. The punch plate has a punch, and the die plate has a die cooperating in relative movement with the punch plate to sever articles from a thermoformable ... | 08/20/2002 |
| 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 |
| 6324951 | System for punching and bundling metal sheets A system for punching and bundling metal sheets, particularly for electric machines, has a die for punching the metal sheets. A die plate cooperates with the die, and a shaft receives and stacks the punched metal sheets. A device separates the punched met... | 12/04/2001 |
| 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 |
| 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 |
