Class 72/327 - With endless cutting edges

Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the shearing edge on each of said
No. of patents: 96
Last issue date: 08/16/2011

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Number	Title	Issue Date
7997114	Method of stamping multilayer sheets A method includes providing a sheet having layers characterized by different softnesses, providing a die component having a leading surface that is generally concave, and causing the leading surface to puncture the sheet thereby to cut a part from the sheet. The met...	08/16/2011
7681427	Method and device for the production and/or machining of pieces A device for the production and/or machining of parts, in particular for the production of stampings, by at least one die which is capable of being put under pressure and/or force, and which has at least one plate and one die element, the die element being supported...	03/23/2010
7370505	Method of forming blind holes in a sheet of material A method of forming blind holes in a sheet material is provided. The method includes punching the sheet material to define a hollow projection through the material and shearing a layer of material from the sheet material to form a sealed end over an opening of the h...	05/13/2008
7337646	Method and device for manufacturing synthetic resin coated metal can body A method and a device for manufacturing a synthetic resin coated metal can body capable of drawing and ironing the synthetic resin coated metal can body with a large processing quantity without causing can body breakage. First and second ironings are conducted to th...	03/04/2008
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
7269989	Method of using a tool to form angled orifices in a metering orifice disc A method of using a tool for punching orifice that has wall surfaces extending at an angle relative to a generally planar surface of a workpiece. The method includes sequentially forming two spaced apart impressions formed in the workpiece between first and second g...	09/18/2007
7225658	Method for manufacture of a metal shell, and a cup designed to serve as a blank The invention relates to manufacture of a cup (1) that is designed to serve as a blank in the production of a metal shell (2) by providing a body (3) of a bar material, placing the body (3) in a counterdie (6) in which a first end ...	06/05/2007
7221078	Spark plug with improved noble metal chip In a spark plug composed of a center electrode and an earth electrode, at least one of confronting portions of the center electrode and the earth electrode which are in opposed relation to each other is constructed with a noble metal chip containing Pt as a principa...	05/22/2007
7188506	Apparatus and method utilizing an automated machine tool system and mandrel for cold working of holes in metal components A system for automatically cold working holes in metal components is disclosed. An automated mandrel moves in relation to a workpiece in order to perform cold expansion of holes in the workpiece. The mandrel is aligned with the axis of each hole and the surface of t...	03/13/2007
7162907	Punch tool for angled orifice A punch tool for punching orifice that has wall surfaces extending at an angle relative to a generally planar surface of a workpiece. The punch tool of the preferred embodiments is provided with configurations that, at the very least, increase the life of the tool, ...	01/16/2007
7162839	Non-slip material The invention provides a slip stopper which achieves a great slip stopping effect, and can be used for a location where a problem occurs if a through hole is opened therein. In a protruding portion that protrudes from the upper surface of a steel plate in the plate ...	01/16/2007
7162906	Method and apparatus for removing a carrier part from a carrier A method for removing from a carrier a carrier part with a housing arranged thereon, wherein prior to performing the separating operation a notched line is arranged in the carrier on at least one side of the carrier along at least a part of the length of a separatin...	01/16/2007
7163763	Cold formed battery terminal A method and apparatus for cold forming a battery terminal having a base and an insert. The insert includes a first portion encapsulated within the base and a second portion that extends beyond a first side of the base. ...	01/16/2007
7104102	Bending machine for profiles such as reinforcement round pieces or similar Bending machine (10) to obtain shaped elements from pre-cut profiles (11), equipped with a drawing assembly (14) which draws the profiles (11), first shearing means (13) arranged downstream of the drawing assembly (14) and b...	09/12/2006
7076986	Process for forming a linking element for a push belt for a continuously variable transmission In a process for forming a linking element for a push belt for a continuously variable transmission, material is displaced from a central portion of the linking element during a blanking process, which central portion is substantially centrally located in the horizo...	07/18/2006
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
7043955	Forging die apparatus A forging die apparatus comprises a punch for applying a pressurizing force to a forging material arranged in a cavity, a cylindrical member installed to surround a part of outer circumference of the punch, for making displacement integrally with the punch, and a fi...	05/16/2006
7007393	Microreplicated shaving element In a microreplicated shaving element the substrate includes a plurality of microshaving elements projecting outwardly from a surface defined by the substrate. Each microshaving element defines a cutting edge spaced away from the surface and a plurality of guard elem...	03/07/2006
7003997	Method and apparatus to reduce deformation in sheets cut by cutting tool The present invention is a method for reducing the deformation along a cut contour edge (26) of a sheet (2) caused by the cutting process whereby sheet material (4) protrudes above the top surface of the sheet being cut. One group of embodiments...	02/28/2006
7003880	Injector nozzle and method of manufacturing injector nozzle A fuel injector has an orifice member having an aperture for injecting atomizing and metering fuel. The orifice member is made of a plate material. The orifice member is machined to form the aperture. Then, the orifice member is processed by at least two shot blasti...	02/28/2006
7004002	Rolling method for strip rolling mill and strip rolling equipment A strip rolling mill includes a pair of upper and lower work rolls for rolling a strip, intermediate rolls for supporting each of the paired work rolls, and back-up rolls for supporting each of the intermediate rolls. Each of the work rolls is provided with a tapere...	02/28/2006
6968723	Method of punching small hole and method of manufacturing liquid ejection head using the same An upper die and a lower die are provided. An unpenetrating hole is formed at an upper face of a metal board with the upper die, so that a protrusion is formed on a lower face of the metal board at a portion corresponding to the unpenetrating hole. A flat portion is...	11/29/2005
6951124	Method for making elements of a continuously variable transmission belt Notched areas are provided on the outer periphery of a flat plate in the coining process to allow material of said plate flow more easily toward the periphery during the coining process. Use of flat plate provides a more economical way of making elements with accura...	10/04/2005
6945478	Fuel injector having an orifice plate with offset coining angled orifices A fuel injector having an orifice plate proximate the outlet. The orifice plate has first and second plate surfaces spaced at a predetermined distance from one another and an orifice, the orifice extending along a longitudinal axis and includes a first surface and a...	09/20/2005
6928849	Method of manufacturing heat exchanging fin and die set for manufacturing the same The method of manufacturing a heat exchanging fin having an oval collared through-hole is capable of reducing manufacturing cost. The method comprises the steps of: forming a circular projected section, whose transverse sectional shape is a circular shape, in a thin...	08/16/2005
6907764	Methods and apparatus for manufacturing flanged articles Methods for manufacturing a flanged article (21) that comprises a central depressed body (27) and a peripheral flange (23) may include press forming a material (10) in order to form an intermediate flanged article (20) that compris...	06/21/2005
6904782	Method of blanking an element for belt for continuously variable transmission A body having a thin region in substantially a half lower portion and a head joined to the body by a neck. When the element is blanked out of a metal sheet, an excess amount of metal produced by pressing the substantially half lower portion of the body flows from th...	06/14/2005
6742373	Method for manufacturing a V-block of a metal belt type continuously variable transmission A method for manufacturing a V-block of a metal belt type continuously variable transmission is provided. The V-block is formed by punching a V-block press material with a main punch and a counter punch. The V-block press material has a sectional view including an o...	06/01/2004
6729172	Methods and apparatus for manufacturing press formed articles Methods for manufacturing a press formed article (22) may include half die cutting a substantially flat material (1, 10) by press forming, thereby forming a first processed material (10′) having a first intermediate press formed article (16...	05/04/2004
6718811	Process for producing a guide tube of a nuclear reactor fuel assembly, mandrel for forming the guide tube, and the guide tube obtained A tubular blank (22) is rolled on a mandrel (14) in a pilgrim rolling mill. In a first rolling stage, a first part of the blank (22) is rolled on a first part (18,19) of the mandrel (14), with a reduction of the outside diameter of...	04/13/2004
6427512	Method of and apparatus for blanking elements of belt for continuously variable transmission A metal sheet having a pair of thin portions on respective marginal edges thereof which are joined to a remaining portion of the metal sheet via respective corners is centered by positioning the center between the corners as the center of the metal sheet....	08/06/2002
6401510	Method for stamping a part from a multi-layered strip A method of stamping a part from an elongated strip of multi-layered material. The multi-layered material includes a viscoelastic intermediate layer, and upper and lower layers that are relatively rigid with respect to the intermediate layer. The method i...	06/11/2002
6381822	Method and apparatus for manufacturing friction plate The present invention provides a method for manufacturing a plurality of friction plates obtained by adhering friction members to substantially annular core plates, comprising the steps of simultaneously stamping a plurality of coaxial core plates having ...	05/07/2002
6378350	Seat belt anchorage plate for seat belt device and method for manufacturing the same A seat belt anchorage plate for a seat belt device formed with a plate shaped member (base) 2 is provided with a slot 6 into which a belt (waist belt) 13 is inserted and which has long edge parts opposed with each other. The belt 13 is folded back along t...	04/30/2002
6311535	High voltage bushing embossing punch tool and method The present invention provides a method and system that creates a hole with an embossed base in a planar sheet. The system comprises an embossing punch that forms a raised area in the planar sheet, a hole punch coupled to the embossing punch that forms a ...	11/06/2001
6289709	Gutter outlet punch A gutter outlet punch for punching an outlet in a rain gutter. The gutter outlet punch has a female die and a male cutting die mating with the female die with the rain gutter positioned therebetween. The male cutting die is attached to a rod. A ratchet pe...	09/18/2001
6182360	Method of producing and stacking components A method of producing and stacking components from individual layers which are punched, cut or the like out of a hardened material strip. According to the method, layers are removed from a hardened material strip, the removed layers are pressed back into ...	02/06/2001
6134767	Method for embedding connection elements in a wall The invention relates to a method and a device for embedding connection elements in a wall. The connection elements (14, 34, 50) exhibit in each case a punch-like section. The punch-like section pierces the wall (22) based on the influence of a shearing f...	10/24/2000
6101859	Die assembly for forming a pattern on a metal plate A one-piece metal plate has an open mesh-like pattern, a plurality of identical rectangular perforations arranged at regular intervals in parallel rows, a plurality of identical rectangular embossed parts arranged at regular intervals and bridging the row...	08/15/2000
6082165	Collar hole die A collar hole die for forming a hole in brass headers used in radiators with a collar around the periphery of the hole. The collar hole die includes a body with top and bottom faces, and an outer side. The body has a center bore extending therethrough bet...	07/04/2000

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Class 72/327 - With endless cutting edges