Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 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 |
| 7266993 | Container leak detection apparatus and method An apparatus and method for testing a container as to leakage and defects. The apparatus is especially useful for testing plastic bottles because it does not contact one or more of the bottle sides during testing. A frame with the test components may be adjusted so ... | 09/11/2007 |
| 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 |
| 7228776 | Punch assembly A Punch Assembly and the method of use thereof is disclosed. Also disclosed is. The device is designed to be accepted within the chuck of a powder-actuated tool. The device can create a hole in steel decking when the device is shot into the decking by a powder-actua... | 06/12/2007 |
| 7168356 | Adjustable length punch assembly Adjustable length punch assemblies are disclosed. An adjustable length punch assembly in accordance with present invention may be used with a punch press including a tool holder adapted to receive punch assembly and a ram adapted to move longitudinally along a ram a... | 01/30/2007 |
| 7156009 | Die device When a retainer collar 77 is rotated with respect to a punch guide 29 in a turnable manner, an upper punch driver 49 which pierces the retainer collar 77 so as to be movable up and down is rotated with respect to the punch guide 29... | 01/02/2007 |
| 7131360 | Thermoforming trim press having adjustable bushing assembly, trim tool guide assembly, and method A thermoforming trim press is provided with a frame, a punch plate, a die plate, and a bushing. The frame has a guide post including a tapered outer surface with increasing cross-sectional dimension toward a closing position. The punch plate has a male cutting die. ... | 11/07/2006 |
| 7055517 | Block working blade unit, block chipping machine and block chipping process A block working blade unit which has working blades disposed in the form of a lattice in order to perform chipping work on the upper surface corner parts of a plurality of workpiece blocks when these blocks are arranged side by side at equal intervals. In a block ch... | 06/06/2006 |
| 7048042 | Heat exchanger, in particular exhaust gas heat exchanger for motor vehicles, and method for producing same A heat exchanger, in particular an exhaust gas heat exchanger for motor vehicles, has a bundle of tubes through which hot gas flows, a pair of header plates and a housing jacket, which holds the bundle of tubes and the header plates and through which a liquid coolin... | 05/23/2006 |
| 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 |
| 7011004 | Trimming apparatus and method for fuel cell membrane/electrode coupling and transporting apparatus A membrane/electrode assembly trimming apparatus (10) made up of a lower trimming die (14) on which a membrane/electrode assembly (65) is set, an upper trimming die (16) having a trimming blade (15) and a pressing member (17... | 03/14/2006 |
| 7011009 | Magnetically aligned hole punch A punching device for punching paper and like sheet material contains an upper frame, a cooperating upper magnetic base supporting the upper frame, and a punch rod slideably disposed within the upper frame, and passing through a clearance hole formed in the upper ma... | 03/14/2006 |
| 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 |
| 7007582 | Die device When a retainer collar 77 is rotated with respect to a punch guide 29 in a turnable manner, an upper punch driver 49 which pierces the retainer collar 77 so as to be movable up and down is rotated with respect to the punch guide 29. | 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 |
| 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 |
| 6918332 | Paper punch device A paper punch device includes an elongate base having a first end, a second end, a top side and a length greater than nine inches. A compartment is positioned within the base. An aperture positioned adjacent to the first end extends through the top side into the com... | 07/19/2005 |
| 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 |
| 6782787 | Adjustable punch having externally accessible rotation release latch A punch tool including a punch driver and a punch element. The punch element can include a punch secured to a punch holder, with the punch holder and punch slidably disposed within a punch guide. The effective length of the punch tool can be increased by rotating th... | 08/31/2004 |
| 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 |
| 6755110 | Adjustable length punch assembly Adjustable length punch assemblies are disclosed. An adjustable length punch assembly in accordance with present invention may be used with a punch press including a tool holder adapted to receive punch assembly and a ram adapted to move longitudinally along a ram a... | 06/29/2004 |
| 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 |
| 6718859 | Hole punch apparatus A three hole punch system for use in an image capturing device. The three hole punch system uses elastomer rollers that punch holes in the edge of a document as is passes between the two rollers. If desired the rollers can act as a transport for the document without... | 04/13/2004 |
| 6711977 | Portable plate circular arc punch shear structure An improved structure for a portable plate circular arc punch shear which has a driver to activate a press plate for leverage pivoting with another end of the press plate to restrict a plunger for the plunger to push a punch shear dies unit in various shear arc prov... | 03/30/2004 |
| 6698324 | Punch unit for punching a hole in a soft metal sheet A punch unit (1) is provided with: a punch (2), which is reciprocally driven in a punching operation; and, a die (3), which cooperates with the punch (2) in punching a hole in a soft metal sheet (i.e., workpiece not shown). In this punch unit (1): punch g... | 03/02/2004 |
| 6634267 | Apparatus and method for removing fasteners from documents Apparatus for removing fasteners (13; 63; 113; 163) from documents (12; 62; 112; 162) with a perforator (5; 55; 105; 155; 205) for perforating documents (12; 62; 112; 162) in the area of the fastener to be removed, wherein the means for separating from th... | 10/21/2003 |
| 6598505 | Punch actuator monitoring system and method A method and apparatus for detecting performance of an apparatus for punching holes in a substrate, ensuring hole quality and/or minimizing or eliminating damage to the films during the hole punching process.... | 07/29/2003 |
| 6526798 | Method of blanking element for belt for continuously variable transmission The cutting edge of a die and the cutting edge of a punch are spaced more widely from each other in a range of an element which includes a neck and undercuts than in the other range of the element. The element is blanked out of a metal sheet by the die an... | 03/04/2003 |
| 6513413 | Mold-pressing device A mold-pressing device including a seat body formed with a horizontal fissure at one end and a vertical chamber communicated with the fissure. A mold block is disposed in the chamber. One face of the mold block is disposed with a solid die, while the othe... | 02/04/2003 |
| 6470777 | Low profile side punch for internal drum imagesetter A low profile side punch assembly is provided to punch registration openings along the side edge of media in an imagesetter. The side punch assembly includes a punch actuator having a scissors configuration to provide a low profile. The punch assembly is ... | 10/29/2002 |
| 6463839 | Punch holder apparatus A punch holder apparatus includes: a punch holder formed with a punch mounting hole and with an inspection hole in a direction perpendicular to a longitudinal direction of the punch holder; an engagement piece to be mounted in the inspection hole; a lock ... | 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 |
| 6408729 | Steel rule for scrap material ejection die Improved steel rule for use in a cutting die for cutting fixed patterns in a single or plurality of stacked material layers according to the shape of the steel rule. The improvement in the rule assists in the removal of small pieces of scrap material thro... | 06/25/2002 |
| 6378409 | Replaceable hole punch for image capturing devices A three hole punch system is for use in an image capturing device. The three hole punch system uses elastomeric rollers that punch holes in the edge of a sheet as it passes between two rollers. If desired, the rollers can act as a transport for the sheet ... | 04/30/2002 |
| 6367362 | Apparatus for punching steel studs An apparatus for punching knock-outs out of light gauge steel framing studs used in building construction to form holes of sufficient size to allow building wiring and piping to extend therethrough includes a compact hand held frame (12) having a generall... | 04/09/2002 |
| 6334381 | Adjustable punch assembly An adjustable punch assembly is provided for use at an indexable punching station in a turret punch press. The overall length of the punch assembly may be adjusted using a motor and pulley system that is also used for indexing the punch tool. Further, the... | 01/01/2002 |
| 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 |
| 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 |
