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| Number | Title | Issue Date |
| 7793530 | Durable enlarged forming tool technology The invention involves a forming tool for a machine tool. The forming tool can be used, for example, to create various large forms in sheet metal or other workpieces. ... | 09/14/2010 |
| 7775078 | Method of forming a boss A bearing assembly is disclosed which addresses the problem of axially retaining a bearing journaled onto a shaft within a casing in an axially compact and technically economic and reliable way by first mounting a retaining plate (6) onto an outer race of the... | 08/17/2010 |
| 7757534 | Press die, burring machining method, method of manufacturing pressed product, and pressed product A burring method forms a boss on a metal sheet, using a press die including: a die with a burring hole formed therein; and a burring punch having a shape adapted to be inserted into the burring hole. In the burring method, a width of a clearance formed between the b... | 07/20/2010 |
| 7621165 | Crimp tool A power operated crimp tool having two movable jaws. On the lower end of one of the movable jaws there is pair of spaced punches and on the lower end of the other movable jaw there is a pair of spaced recesses. The first and second punches punch through layers of a ... | 11/24/2009 |
| 7347074 | Drawbench of a wire A drawbench (11, 111) of a wire (13), unwinding from a reel (14) and pulled step by step by an utilizing machine (15) of drawn wire, said drawbench (11, 111) having an unusually high productivity and comprising a drawing die (17... | 03/25/2008 |
| 7283330 | Method of manufacturing a suspension using coining A method of manufacturing a suspension member designed to carry a slider and read/write head elements in a magnetic data storage device. The method includes forming the suspension member into a desired length and width configuration with a nominal thickness dimensio... | 10/16/2007 |
| 7171836 | Roofing panel notching, shearing, and hemming tool A notching, shearing, and hemming tool constructed with a table which receives the roofing panel, at least two notching devices (notchers), a pan shear pivotally mounted on the table, and a hemming tool pivotally mounted on the table. To prepare a finished end piece... | 02/06/2007 |
| 7152515 | Wire cutter for artificial flower stems Cutter suitable for artificial flower stems. Typically, plastic coated wire stems are cut with hand cutters to various lengths in preparing artificial floral arrangements. The invention requires far less physical effort by the operator than is required when using co... | 12/26/2006 |
| 7080538 | Roofing panel notching, shearing, and hemming tool A notching, shearing, and hemming tool constructed with a table which receives the roofing panel, at least two notching devices (notchers), a pan shear pivotally mounted on the table, and a hemming tool pivotally mounted on the table. To prepare a finished end piece... | 07/25/2006 |
| 7021110 | Apparatus for preparing U-shaped spacers for insulating units A device is disclosed for preparing a U-shaped spacer having a longitudinal axis, wherein the spacer has first and second opposing sides extending from a spacer bottom, and wherein the spacer is to be used as a spacer between glass sheets on insulating frames. A met... | 04/04/2006 |
| 6997814 | Long barrel T-nut An elongated T-nut fastener is formed from a single piece of material. The fastener includes a barrel and a flange, with a threaded portion in the barrel and an unthreaded portion beyond the threaded portion. Fastening sites are provided at spaced locations along th... | 02/14/2006 |
| 6895796 | Method and device for forming a corner bounded on three-sides from a flat, sheet material The invention relates to a method and a device for forming a corner bounded on three sides from a flat plate part, in particular sheet metal, whereby the side edges adjacent to the corner are folded back across a major part of their longitudinal extension parallel w... | 05/24/2005 |
| 6733899 | Metal plate and method of shaping the same There are provided a step of forming a structure in which a first concave portion is formed in a predetermined portion on one surface of a metal plate and also a convex portion that protrudes from other surface of the metal plate is formed by formation of the first ... | 05/11/2004 |
| 6662427 | Method of forming a cavity structure with a thin bottom base plate A method for forming a cavity structure provided with a thin bottom plate is comprises the following steps. The first step is to deform plastically a part of a metal plate so as to form a cavity on one surface of a metal plate wherein the cavity has an od... | 12/16/2003 |
| 6578402 | Trimming apparatus for a drawn part A trim die for sheet metal or other materials is provided to trim the entire circumference of a drawn part. The trim die includes a trim plate with a connected trim punch moveably mounted in a stripper plate. Cam punches with cam lobes engage cam follower... | 06/17/2003 |
| 6571595 | Method of forming a package for electronic parts A package for receiving electronic parts is formed with decreased stress and stress concentration to obtain a desired warp and flatness. In particular, according to a cutting protruding part process, a package is accommodated to have a recessed part forme... | 06/03/2003 |
| 6408671 | Hydromechanical drive of a cross-shearing station A press has a tool which comprises an upper tool part and a lower tool part. The upper tool part is held on the press slide, while the lower tool part is stationarily mounted in the press frame. A movable forming element, such as a shearing blade, is prov... | 06/25/2002 |
| 6354052 | Method for folding sections comprising a hollow body and a coating sheet, and resulting folded section A method of forming a composite profile including a hollow body with approximately parallel opposite walls and a covering sheet fixed against a first one of the walls includes heating a portion of the composite profile to form a temperature gradient. A ho... | 03/12/2002 |
| 6185974 | Machine for punching and bending metal sheets There is described a machine for machining metal sheets, which comprises a bending machine for bending sides of a metal sheet and a manipulator-rotator that is mobile in relation to the bending machine for automatic positioning of the metal sheet during b... | 02/13/2001 |
| 6155093 | Method of fabricating metal electronic enclosures A method of forming metal enclosures specifically for electrical or electronic components which require precision in the formation of enclosure wells for containing the components. In accordance with the present invention the method comprises the steps of... | 12/05/2000 |
| 6145365 | Method for forming a recess portion on a metal plate An object of the present invention is to provide a method for forming a recess portion having an predetermined shape on one side of a metal plate without giving the metal plate any remarkable stress while forming the other side flat, which is suitable for... | 11/14/2000 |
| 5701776 | Sloped bottom tank An improved tank configuration includes a die employed to stamp a formed member. The formed member may be used as the bottom head for a portable liquid container, and is constructed so that all welding is eliminated in the corner portions of the container... | 12/30/1997 |
| 5526560 | Method for manufacturing a stator of a stepping motor A method for manufacturing a stator of a stepping motor comprises the steps of carrying out a half-pierce and push-back process to a frame plate to make an area in which comb teeth are to be formed and an area to be blanked out readily separable, carrying... | 06/18/1996 |
| 5295378 | Method for making a precisely machined part A method by which a generally elongate right cylindrically-shaped part is precisely machined and shaped includes the steps of drawing a disc blank into a cup-shaped blank, subsequently drawing the cup-shaped blank a successive number of times to form a ge... | 03/22/1994 |
| 5287717 | Method for forming a tank bottom An improved tank configuration wherein a die is employed to stamp a formed member is disclosed. The formed member may be used as either the top or bottom head for a portable liquid container, and is constructed so that all welding is eliminated in the cor... | 02/22/1994 |
| 5231862 | Tube base notcher A base (10) and the method for fabricating the corners (32) of the base (10) of a piece of furniture (12) from tubing (18) by notching the tube (18). The notching removes a metal from the tube (18) along the first pair of extremities (40) converging to an... | 08/03/1993 |
| 5177843 | Turret punch press A disc support 23 is provided under a lower turret 21 to support the lower turret 21 against the impact thereto. The disc support 23 includes a movable block comprising a through-hole 77 through which scraps are discharged and a press cylinder 79 to push ... | 01/12/1993 |
| 5170655 | Method for forming hollow articles The method includes a step of compressing a portion of a cylindrical stock into a third section of a cavity of a die. The cavity of the die includes a first section having a polygonal internal surface, a second section being narrower than the first sectio... | 12/15/1992 |
| 5014535 | Apparatus for forming embossments on electrical contact terminals An insulation displacement terminal having a pair of slotted plates retained in a nest formed by embossments on sidewalls extending past the edges of slotted plates. The sidewalls and the slotted plates are formed orthogonally upward from a common base. O... | 05/14/1991 |
| 4970782 | Method and apparatus for making an electrical contact A precision apparatus for controllably shearing a thin workpiece of material to make devices such as electrical contacts of the character having specially configured spaced apart tongues adapted to mate with plug connectors of standard design. The apparat... | 11/20/1990 |
| 4945751 | Re-rod cutter and bender The present invnetion is a portable reinforcing rod cutter and bender. A cutting die having elongate and oblique holes for receiving a plurality of rods to be sheared cooperates with a cutting blade connected to a hydraulically operated ram. A female bend... | 08/07/1990 |
| 4887447 | Rebar cutting and bending machine A hand-operated rebar cutting apparatus including first and second discs carried by a shaft mounted on a frame. The discs are pivotable relative to each other and each includes grooves which can be aligned for receipt of a bar to be cut. The first discs i... | 12/19/1989 |
| 4819316 | Method of making a pre-adjusted orthodontic bracket assembly A pre-adjusted orthodontic bracket assembly is provided. The assembly has one or two tie wings and a base pad. The tie wings define an archwire slot for alignment with the occlusal plane of a patient's tooth. The sides of the tie wings are additional refe... | 04/11/1989 |
| 4672729 | Method for machining clutch gear for automobile transmission A method for machining a clutch gear for the transmission of an automobile which comprises forming a generally round annular bar made of malleable material in a cold forging or hot forging, urging the generally round annular bar against a die to form a fi... | 06/16/1987 |
| 4611481 | Metal container end die A die for forming flanged can ends is provided according to the invention. The die includes an upper punch section including a hard ring having inner and outer rounded lower corners and a punch cut edge having an upwardly extending curvilinear female prof... | 09/16/1986 |
| 4604888 | Cable clamp, body portion therefor and method of manufacturing same A clamp for electrical cables including a body portion of stamped metal. The body portion has two end walls extending at right angles to the base. At least a first pair of arms spaced intermediate along one edge of the base. The arms also extend outward a... | 08/12/1986 |
| 4549422 | Cup and roll machine A roll (10) of metal lagging is loaded onto a loading rack (14). One end of lagging (8) is drawn upwardly and away from roll (10) by a feed drive roller (38) paired with a pressure roller (36). Before it reaches these rollers (36, 38), lagging (8) is pull... | 10/29/1985 |
| 4543811 | Progressive forming method of product having varied cross-sectional length A progressive forming method of a product having a varied cross-sectional length in the direction of supply of strip material. A material is first drawn so that a portion which corresponds to the portion of the product having a cross-sectional length larg... | 10/01/1985 |
| 4485661 | Deep-drawing end edge-trimming die A deep-drawing and edge-trimming tool assembly for the shaping of workpieces with an upstanding peripheral edge flange and the subsequent trimming of the outer edge of the edge flange, the assembly comprising a vertically and horizontally movable bolster ... | 12/04/1984 |
| 4481850 | Scored reverse buckling rupture disk apparatus The present invention relates to improved apparatus for manufacturing scored reverse buckling rupture disks. The scores on the disks radiate outwardly from central portions thereof toward the peripheries thereof and have known depths and depth variances.... | 11/13/1984 |
