Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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 |
| 7757533 | Forming die having filler cam assembly A filler cam assembly for use with a forming die generally including a center cam component, end cam components and a base assembly and being designed to transition between unloading and forming positions. The various cam components preferably have axial ends with h... | 07/20/2010 |
| 7523634 | Forming die having filler cam assembly A filler cam assembly for use with a forming die generally including a center cam component, end cam components and a base assembly and being designed to transition between unloading and forming positions. The various cam components preferably have axial ends with h... | 04/28/2009 |
| 7363794 | Bearing structure and press molding apparatus having the structure While a rotational die and a predetermined position of a lower mold in which the rotational die is provided can be set in a zero contact manner, operation of setting the rotational die in the predetermined position of the lower mold can be easily performed, and occu... | 04/29/2008 |
| 7258030 | Failsafe element for rotary cam unit used in a flanged die A rotary cam assembly for a bending die includes first and second arms pivotally attached to an actuator. Linear movement of the actuator causes rotation of the rotary cam relative to a bending cam. A rotatable element is supported between the first and second arms ... | 08/21/2007 |
| 7243524 | Negative-angle press-working die Operations for uniting together a fixed support base 4 for fixedly supporting a workpiece W and a support die and for composing and decomposing a negative-angle press-forming die to take out a product processed by a negative-angle press-forming process are pr... | 07/17/2007 |
| 7237419 | Bending machine A bending tool (12) for bending workpieces, especially plate and sheet metal blanks includes at least one bending element (23) positioned on one side of a workpiece as well as a retainer device with clamping elements (14, 42) on opposite sides o... | 07/03/2007 |
| 7185585 | Container crusher An apparatus for crushing containers includes a die defining an opening, a punch, and a system for displacing the die and punch relative to each other. The punch may be fixed and the die may be moved from a first position spaced apart from the punch such that a cont... | 03/06/2007 |
| 7178374 | Press forming apparatus for fuel cell metal separator A press forming apparatus, for metal separators for fuel cells, has a pair of peripheral portion holding dies which hold a peripheral portion of a material and are movable toward and counter to each other; a pair of intermediate portion forming dies for forming a in... | 02/20/2007 |
| 7165438 | Wedge driving tool having mutually adjustable elements for the cutting and/or non-cutting shaping of a sheet metal workpiece in a press A wedge driving tool for cutting and/or non-cutting shaping of a sheet metal workpiece in a press includes a mould- and/or tool-bearing working slider, which may be displaced between a slider bed and a driver at a predetermined angle. For obtaining a working slider ... | 01/23/2007 |
| 7111487 | Apparatus and method for forming curvature in sheet metal A curvature forming device has an upper member and a lower member. A clamping member is mounted on a spring within a recess in the upper member. An elongate deforming member is fixedly mounted in the same recess. The deforming member protrudes out of the recess more... | 09/26/2006 |
| 7059164 | Plate material processing machine with bending function and tool for the same The present invention provides a plate material processing machine with a bending function which enables even a bending piece with two or more bending portions to be bent and which enables materials to be bend so as to have different bending directions, dimensions, ... | 06/13/2006 |
| 6983634 | Rotary bending tool and method of manufacture A rotary bending tool having a series of graphite plugs mounted in a saddle recess engaging a rocker surface to lubricate the same. The rocker is machined in an unhardened state and thereafter heat treated to be hardened, with reverse bending of the rocker thereafte... | 01/10/2006 |
| 6860133 | Plate material processing machine with bending function and tool for the same The present invention provides a plate material processing machine with a bending function which enables even a bending piece with two or more bending portions to be bent and which enables materials to be bend so as to have different bending directions, dimensions, ... | 03/01/2005 |
| 6755070 | Cam-type press system A cam-type press system is provided which includes a cam base slidably mounted on a lower die and securing a material panel with a formation pad: cam base steel is mounted on the cam base corresponding to a height of the formation cam. The cam base steel is performs... | 06/29/2004 |
| 6668612 | Device for holding a sheet metal blank in a forming press A device is provided comprising a guide mechanism used to position and securely hold a sheet metal blank in a sheet metal forming press that is operated at high temperatures. A sheet metal blank is initially positioned in the forming press by resting the ... | 12/30/2003 |
| 6539766 | Rotary cam moving apparatus for negative-angle forming die A negative-angle forming die includes a lower die half and an upper die half. A rotary cam is rotatably provided in the lower die half, and a slide cam is slidably opposed to the rotary cam. An automatic retractor is provided in the lower die half for piv... | 04/01/2003 |
| 6530255 | Forming press apparatus A forming press apparatus with which forming of a plurality of different workpieces can be carried out using a single press. The press has raise/lowerable upper and lower die sets. A plurality of forming die pairs corresponding to a plurality of forming s... | 03/11/2003 |
| 6263717 | Press-forming die set including rotary cam having negative-angle forming portion and rotatable about vertical axis A press-forming die set including a first die and a second die which are linearly movable in a press-forming direction for mutual engagement to form a negative-angle portion on a workpiece placed on the second die, the press-forming die further including ... | 07/24/2001 |
| 6230536 | Negative angle-forming die A negative angle-forming die includes a lower die for mounting a thin metallic plate workpiece onto a supporting portion thereof, and an upper die descendable in a straight direction towards the lower die for forming the workpieces by abutting against the... | 05/15/2001 |
| 6065324 | Rotary bender die A multi-piece die section for a press brake installed rotary bending tool in which a forming anvil is positioned in a holder in accordance with the thickness of material to be bent so that the rotary bender and press brake operate on the same center line.... | 05/23/2000 |
| 6052887 | Apparatus and method for joining sheet metal layers A method for joining together two superimposed sheet metal layers includes clamping the sheet metal layers together on a base and positioning a resiliently deformable hemming bead adjacent the superimposed layers. One of the layers includes an outer perip... | 04/25/2000 |
| 6038908 | Bending die having rotary die This invention is comprised of a lower die having a groove-like cavity formed at its upper surface; a rotary die supported in the cavity of the lower die at both ends thereof by a shaft and rotatably stored in it; an upper die arranged above the rotary di... | 03/21/2000 |
| 5784916 | Thin sheet forming die assembly including a lower die having plural parallel rotating cylindrical members A die assembly includes a forming portion to form a negative angle portion when an upper die is lowered in a straight line to abut a lower die. A cylindrical rotating cam with a groove formed therein in the axial direction is rotatably mounted in the lowe... | 07/28/1998 |
| 5765427 | Bending press for sheet metal The press comprises two tool holders facing each other (28a, 28b), capable of relative movement one towards the other and back again. Each tool holder carries a bending tool (40a, 40b) and a clamping tool (42a, 42b). The tool holders (28a, 28b) are in add... | 06/16/1998 |
| 5755132 | Punching and forming tool The invention relates to a punching and forming tool for producing punched and shaped parts from sheets or foils which consist of material which can be deformed by overstretching. The punching and forming tool comprises upper tool carrier plate means and ... | 05/26/1998 |
| 5746082 | Thin sheet forming die assembly including lower die cylindrical member having varied diameters A die assembly includes a forming portion to form a negative angle portion when an upper die is lowered in a straight line to abut a lower die. A cylindrical rotating cam with a groove formed therein in the axial direction is rotatably mounted in the lowe... | 05/05/1998 |
| 5735161 | Flanging apparatus Apparatus for forming a panel to a predetermined cross dimension by flangers which form flanges on the opposite side edges of the panel. The flangers are movable toward and away from advanced positions in which to form the flanges. The advanced positions ... | 04/07/1998 |
| 5572901 | Locator for metal flanging apparatus An adjustable locator device locates a sheet metal workpiece laterally on a metal forming die. The locator device includes a pivotal locator portion which engages a driver member of the flanging assembly in order to pivot the locator to engage and positio... | 11/12/1996 |
| 5474437 | Metallic die device for press machine A lower metallic die has a major surface for supporting a workpiece thereon. A ridgeline is formed on an end portion of the major surface and with which a bending portion of the workpiece is brought into contact. An upper metallic die has a plane surface ... | 12/12/1995 |
| 5462424 | Metallic die device for press machine A lower metallic die has a major surface for supporting a workpiece thereon. A ridgeline is formed on an end portion of the major surface and with which a bending portion of the workpiece is brought into contact. An upper metallic die has a plane surface ... | 10/31/1995 |
| 5361620 | Method and apparatus for hemming sheets of metal material A hemming device comprises a partly cylindrical member rotatably disposed in a partly cylindrical channel of a housing block. The partly cylindrical member includes an outer surface comprising an arcuate surface portion and a planar surface portion. The h... | 11/08/1994 |
| 5347838 | Forming die for thin plate A method is disclosed of forming a thin plate having a negative angle-formed portion when a second die is moved straight to bump against a first die to form a work, when the first die is rotatably provided with a rotary cam having a negative angle forming... | 09/20/1994 |
| 5341669 | Rotary bending tool with continuous lubrication A rotary bending tool, consisting of a rotary bending head, a saddle block with bearing surfaces and retaining key for holding the rotary bending head, a restoring member for the rotary bending head and a bottom die, the bearing assembly of the rotary ben... | 08/30/1994 |
| 5231907 | Noise reducing structure of slide-cam die A noise reducing die assembly comprising, a passive cam having an inclined passive face of a fixed inclination angle , and an actuating cam having an inclined actuating face of the same inclination angle as that of the inclined passive face... | 08/03/1993 |
| 5226306 | Bead forming metal die for forming metal gasket A progressive bead forming metal die for forming beads in a metal gasket is constituted by a bead-forming die disposed between a hole punch die and an outer profile punch die. The bead-forming die comprises a pair of upper and lower inner bead boundary ba... | 07/13/1993 |
| 5211047 | Die for bending a composite flange having a stretch portion and a straight portion A bending die includes a first die portion for bending a stretch portion of a composite flange and a second die portion for bending a straight portion of the composite flange. The first die portion has a first inclined surface inclined at a first angle wi... | 05/18/1993 |
| 5078186 | Lead forming for electronic parts having gull wing type outer leads For improving both coplanarity and bending accuracy of gull wing type outer leads of electronic parts such as resin molded semiconductor devices, quad flat packages, etc., a lead forming machine is used which incudes a bending die and a stripper which hav... | 01/07/1992 |
| 5056017 | System to monitor fuel level in a tank, and fuel dispensed from the tank, to determine fuel leakage and theft losses Apparatus is provided to monitor fuel level in a tank, and to monitor fuel pumped from a dispenser or dispensers; and outputs from the monitoring equipment are processed to determine unwanted loss of fuel from the tank.... | 10/08/1991 |
| 4757703 | Die apparatus for handling tubing having a radially projecting annular flange A die apparatus operable to form or to clamp a tube with an upset annular flange includes a pair of opposed die members mounted for horizontal movement toward and away from each other at opposite sides of a fixed path along which the tube is axially fed w... | 07/19/1988 |
| 4606214 | Metal forming apparatus The present invention concerns an apparatus for forming into shape one end portion of a rod-like metallic work such as a pipe. The apparatus comprising a holding member to hold the work, a split die composed of at least two movable die members, and a pres... | 08/19/1986 |
