Class / Patent application number | Description | Number of patent applications / Date published |
072476000 |
Having unitary tool-face
| 38 |
072470000 |
Including tool couple or die couple (e.g., opposed die faces)
| 23 |
072465100 |
Including flexible or yieldable tool or support
| 10 |
072467000 |
Tool comprising closed periphery deforming passageway
| 7 |
072469000 |
Tool-comprising die plate having ribs and/or grooves | 3 |
20090320551 | Thread rolling die - A thread rolling die having a nitride diffusion layer formed in a surface layer portion of a form rolling surface portion for thread rolling to plastically deform a surface of a workpiece, the nitride diffusion layer being formed in an ion nitriding treatment such that a compound layer depth is 1 μm or smaller, a practical nitride layer depth ranges from 5 to 40 μm, and either of that a surface hardness is 1300 HV or larger or that a surface hardened amount is 400 HV or larger. | 12-31-2009 |
20100313627 | Split Die - A split die adapted for threads of a bolt may include a first die member and a second die member being detachably connected to the first die member. The first die member and the second die member may include a radially inward extending member having a radial thread to cooperate with the thread of the bolt. The first die member may include a first discontinuous circular interior surface, and the second die member may include a first discontinuous circular interior surface. The first die member may include a guiding pin, and the second die member may include a guiding pin aperture to cooperate with the guiding pin. The split die may include a retaining pin to detachably connect with the first die member to the second die member, and the split die may be six sided. The split die may be five sided, and the split die may be four sided. | 12-16-2010 |
20110107811 | Thread Rolling Die and Method of Making Same - A thread rolling die includes a thread rolling region comprising a working surface including a thread form. The thread rolling region of the thread rolling die comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die may further include at least one non-cemented carbide piece metallurgically bonded to the thread rolling region in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece comprises at least one of a metallic region and a metal matrix composite region. Methods of forming a thread rolling die as embodied herein are also disclosed. | 05-12-2011 |
072463000 |
With nondeforming passageway | 1 |
20120042711 | PANEL SCREW CLINCHING ANVIL - An anvil for clinching a screw with a panel. The anvil includes an opening, a recess communicating with the opening, and raised ridges formed near the opening. When the threads of the screw are inserted through the panel and into the opening and recess of the anvil, and then a head of the screw is pressed against the panel, the ridges on the anvil deform the underside of the panel, thereby captivating the screw with the panel. | 02-23-2012 |
072464000 |
Including deforming tool and cutting tool | 1 |
20110289998 | Crimping/cutting Working Head for Impact Wrench - A power operated crimping/cutting tool driven by any type of impact wrench, with a crimping or cutting working head, includes a transmission unit, a connection unit, a process indication device and an adjustment device, wherein the transmission unit includes a jaw device and a transmission device, the jaw device is detachable, both the process indication device and the adjustment device are mounted on the transmission unit, the connection unit is sleevedly mounted at the impact wrench. The present invention can replace the jaw device according to different requirements. | 12-01-2011 |
Entries |
Document | Title | Date |
20080223106 | TIP TOOL GUIDE APPARATUS AND METHOD FOR BRINGING IN TIP TOOL GUIDE APPARATUS - A tip tool guide apparatus is brought into a water chamber of a steam generator of nuclear power equipment, and guides a tip tool, such as a shot peening head, along a necessary region. For this purpose, a tip tool guide apparatus | 09-18-2008 |
20080250841 | STAKE PUNCH - A stake punch for securing a pin in a gearset is provided. The stake punch includes a body defining an axis and a punch extending from the body along the axis. The punch includes a pair of opposing top and bottom surfaces, an end face, and a pair of stake faces each connected to the end face. The stake faces each have a curved surface extending between the top surface and bottom surface. The curved surface has a constant radius of curvature along a length of the stake face. The pair of stake faces are at an angle with respect to the axis. | 10-16-2008 |
20090320550 | Anti-Vibration Die Holder Technology for Fabricating Press - The invention involves an anti-vibration die holder for a press, such as a metal-fabricating press. The anti-vibration die holder preferably includes at least one resilient surface adapted to contact a die when the die is mounted operatively on the die holder. | 12-31-2009 |
20100132429 | COLD-WORK DIE STEEL AND DIES FOR COLD PRESSING - The present invention provides a cold-work die steel useful as a material of dies for cold pressing, which has basic properties such as hardness, toughness and dimensional change by heat treatment, and besides, which causes no problem in terms of machined surface roughness and cutting tool life, and also its dies for cold pressing. The invention relates to a cold-work die steel comprising: 0.5 to 0.7 mass % of C; 5.0 to 7.0 mass % of Cr; 0.5 to 2.0 mass % of Si; 0.1 to 2.0 mass % of Mn; 0.001 to 0.010 mass % of Al; 0.25 to 1.00 mass % of Cu; 0.25 to 1.00 mass % of Ni; 0.5 to 3.0 mass % of Mo+0.5×W; 0.5 mass % or less of V; 0.05 mass % or less of P; 0.1 mass % or less of S; 0.005 mass % or less of O, wherein the following requirements are satisfied: [C]×[Cr]≦4; FP=[Si]/5+[Cr]/5+2×[Mo]+[W]+2×[V]+10×[Al]≦5.0; and AP=[Mn]+3×([Cu]+[Ni])≦2.5, and also relates to a die for cold pressing which is manufactured by using the cold-work die steel. | 06-03-2010 |
20100307217 | APPARATUS AND METHOD FOR COMPENSATING FOR STRESS DEFORMATION IN A PRESS - A method for locally increasing pressing pressure on a press tool having an abutment surface for being clamped onto a clamping surface in a press comprises providing a power unit smaller than the abutment surface and having an internal space, positioning the power unit between the clamping surface and the abutment surface, pressing the clamping surface against the abutment surface, connecting the internal space to a source of pressurized hydraulic fluid, and supplying the pressurized hydraulic fluid to the internal space thereby causing the power unit to expand and to exert a local pressure on the abutment surface. | 12-09-2010 |
20100313626 | Anti-tipping die tool holder - An anti-tipping clamp that is used as an intermediary support for a die tool. The clamp includes a body with a rail engagement section designed to engage with a rail on a conventional forming machine for securing the clamp to the rail. The clamp also includes a die tool holding section with two spaced apart lateral arms that extend upward from a body and which provide support for a die tool. | 12-16-2010 |
20100319433 | PROCESS FOR PRODUCING A DIE - A method of making an impression die comprises the steps of providing a substantially planar bendable bimetal plate ( | 12-23-2010 |
20110011150 | LOAD APPLICATION ELEMENT - A load application element comprising a base plate, a connecting member and a tie member is provided. The base plate is stackable and connected with a connecting member. The connecting member is arranged in vertical direction to the base plate and is suitable for the attachment of a tie member. The tie member is attached to the connecting member, preferably through a screw connection or a plug connection. In another preferred embodiment of the invention the base plate, the connecting member and the tie member are made from one piece. On the base plate load transmission ribs are provided to distribute the initiated pulling force homogenously. | 01-20-2011 |
20110016946 | Coated Tooling - A coated forming tool including a tool component and a wear resistant coating on at least a portion of the tool component. The wear resistant coating includes a bottom coating layer and a top coating layer. The top coating layer has a thickness from about 1 μm to about 12 μm and the coating has a thickness ratio of the bottom coating layer thickness to the top coating layer thickness from about 0.5 to about 5. | 01-27-2011 |
20120006090 | LIGHT GUIDE PLATE STAMP AND METHOD OF MANUFACTURING THE SAME - A stamp includes a metal supporting layer, a pattern forming layer and an adhesive layer. The metal supporting layer has a first thermal conductivity. The pattern forming layer is disposed on the metal supporting layer and has a surface with a molding pattern formed thereon. The adhesive layer is disposed between the metal supporting layer and the pattern forming layer to couple the pattern forming layer to the metal supporting layer, and has a second thermal conductivity lower than the first thermal conductivity. Thus, strength of the stamp may be improved, and deformation of the stamp during the process of manufacturing a light guide plate may be reduced or prevented. | 01-12-2012 |
20120151984 | GAS SPRING MOUNTING ASSEMBLY AND METHOD FOR METAL FORMING DIES - A gas spring mount and related method for metal forming dies includes a one-piece, generally U-shaped clamping band with an arcuate medial portion shaped to receive an associated gas spring body therein, and two enlarged ends with through apertures. Threaded mounting screws extend through the through apertures in the clamping band ends, and are anchored into threaded retainer holes in an associated die member. At least one of the mounting screws has a tapered head and is disposed laterally offset from the associated threaded retainer hole in the die, whereby tightening of the one screw shifts the related enlarged end of the mounting band laterally toward the opposite enlarged end to pull the clamping band constrictingly against the gas spring body to securely, yet detachably retain the same therein. | 06-21-2012 |
20120312067 | DIE SHOE ASSEMBLY WITH BEARING SURFACE MECHANISM, AND DIE FOR USE THEREWITH - An apparatus meant to contain a die portion of a punch and die set whether in a loading cartridge or in machine operating position, wherein a key is used with a die shoe to prevent lateral movement of the die regardless of extent by which the die is sharpened and continued to be used with the die shoe, and wherein a die is used with the die shoe to minimize jagged or sharp edges being created from sharpening processes thereof. | 12-13-2012 |
20130180310 | EQUIPMENT FOR FORMING A FRONTAL TOOTHING, IN PARTICULAR ON AN INNER RING OF A WHEEL HUB - An apparatus including rigid plate having a first face and a second face, a plurality of through seats arranged as a circular crown about an axis of symmetry (A), perpendicular to each seat and shaped as a circular crown segment; a plurality of knives carried by the plate, each being axially slidingly guided into a seat, independently of the other knives; each knife has a head which protrudes from the seat from the side of the first face, a prismatic body having an axial length greater than the seat, and a wedge-shaped end, opposite to the head, which protrudes from the second face when the head substantially abuts against the first face; the wedge-shaped ends circumferentially having a first profile, complementary to that of the frontal toothing to be obtained, and the knives can be replaced totally or partially with others having a second profile different from the first profile. | 07-18-2013 |
20160074930 | METHOD FOR REINFORCING DIE AND REINFORCED DIE - A method for reinforcing a die is described. A die material made of a high speed tool steel for hot dies including a matrix high speed tool steel, an alloy tool steel for hot dies or a stainless steel is irradiated as an irradiated object with a large-area electron beam so that a smooth surface modification layer of 2 to 5 μm in thickness is formed by elution of a contained substance in the die material. Then, the die material is subjected to a sulphonitriding treatment so that a sulfurized film having a thickness less than the thickness of the surface modification layer prior to the sulphonitriding treatment and containing the sulfur compound of the contained substance more than the sulfur compound of the main substance in the die material, and a diffusion layer of nitrogen and sulfur adjacent to the inner side of the sulfurized film are formed. | 03-17-2016 |