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Class 72/337 - Blank detaching


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the cutting effects complete severance
No. of patents: 54
Last issue date: 04/15/2008


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NumberTitleIssue Date
7357012Methods and assemblies for bending strands of material
A method for bending strands of material. The method includes providing a first pair of opposing dies each comprising a first surface corresponding to a first pair of predetermined bends to be formed in a first strand of material, positioning the first strand of mat...
04/15/2008
7343770Stamping system for manufacturing high tolerance parts
A system and process for stamping parts having tolerances below 1000 nanometers. The inventive system and process is particularly suited for producing optoelectronic parts. The system includes a stamping press and one or a progression of stamping stations for suppor...
03/18/2008
7260970Hot forge forming facility
A hot forge forming facility includes at least a material supply device, a heating device, a guiding device and a punching device. The material supply device carries a continuous supply of metal material in rolls. The heating device heats and softens the metal mater...
08/28/2007
7127929Forging work method
A metallic plate member is provided. A first punch is operable to perform a first forging work to mold a first member in the plate member. The first member has a first function. A second punch is operable to perform a second forging work to mold a second member in t...
10/31/2006
7097211Pipe coupling system having an anti-reversing locking ring
A system for coupling a plurality of pipes end-to-end in a locked configuration to thereby form an enclosed conduit comprising a first pipe having a receiving end and an insertion end, a first annular ring track formed on an inner surface of the receiving end; a sec...
08/29/2006
7076986Process 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
7069763Container end and forming systems therefor
A method and apparatus for forming container ends includes tooling which forms dome members for can ends, which dome members include an open neck thereon. Thread lugs are formed as integral spaced apart shaped protrusions from the neck exterior. A system is also dis...
07/04/2006
6968721Method of manufacturing blade retainer and manufacturing devices therefor
A method of manufacturing a turbine blade retainer using a material cutting device and a material bending device includes steps for suspending a bar stock material between a polyurethane shock absorber and a bore of a cutting jig support, moving the cutting punch do...
11/29/2005
6952943Method and machine of manufacture of rotor elements
A rotor assembly for an electric motor comprising rotor elements each having a body portion and pole portions formed integrally as a pressing from strip steel, Each successively formed rotor element is formed with its pole portions offset relative to its body portio...
10/11/2005
6951124Method 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
6904782Method 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
6751997Stamping press arrangement and method
Stamping press arrangement, comprising an impact member (3), a supporting member (4) and a movably arranged cutting tool (5), the impact member (3) being arranged to perform at least one striking movement against the cutting tool (5
06/22/2004
6430799Method for constructing a one-piece bulbshield
A one-piece bulbshield is sized and shaped to be disposed into a preformed opening in a reflector of an automotive headlamp. The one-piece bulbshield includes a cup having a defined edge scroll and a pair of legs integrally formed onto the cup, each leg h...
08/13/2002
6427512Method 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
6286356Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap
An apparatus for machining a web-shaped workpiece includes a workpiece supply for supplying workpiece rolls each of an elongate thin metal sheet, a processing machine for machining the elongate thin metal sheet into caps, a workpiece feeder for feeding th...
09/11/2001
6212930Method and device for producing stamped parts
For producing stamped parts, especially plates, a method is proposed consisting of only two method steps. In a first method step the workpiece is fine blanked (2) inside a device (1) is then moved to a stamping stage (3) by means of transfer tongs (4) whi...
04/10/2001
6135936Paper cup bottoms and method and apparatus for forming same
A bottom for a paper cup is formed by advancing a punch against a paperboard web to push the web against a cutting edge which cuts out a circular cup bottom blank from the web. The punch is kept in a forward state to clamp an outer peripheral portion of t...
10/24/2000
6067834Method for stamping bowed piece-parts
A method of forming finished piece-parts having a slight but variably adjusted three-dimensional bow from a continuous web. The method comprises the steps of advancing the web axially of its length by bowing the web in the same direction of desired bowing...
05/30/2000
5992205Means to manufacture steering rack bars
A die for forming the toothed end of a steering rack bar from a cylindrical blank includes first and second die blocks relatively movable to converge on the blank. The die blocks incorporate opposed generally semicircular recesses to accommodate the blank...
11/30/1999
5791186Press working method for plate material and press working apparatus using the same
According to the present invention, in a press die unit for performing a plurality of pressing steps on a strip-like plate material, there are provided a pair of stationary dies and a pair of movable dies. In each pair of dies, a plurality of punches and ...
08/11/1998
5697243Shape scrap processing apparatus
A shape scrap processing apparatus adapted to be situated next to a conveying table for conveying a continuous shape cut in a regular size. The apparatus comprises: conveying means for conveying shape scraps, which are discharged from the conveying table,...
12/16/1997
5660073Apparatus and method for forming a ball of relatively small diameter
An apparatus and method for forming a ball of relatively small diameter from metal wire includes a cutoff bar and a slide mechanism for shearing a length of metal wire from the remainder thereof at a first station to provide a blank with which a ball is s...
08/26/1997
5640874Progressive die/carrier apparatus and method of forming surgical needles and/or incision members
There is disclosed an apparatus and a method for progressively forming high strength surgical needles from bulk needle stock material. The apparatus generally includes a series of progressive needle processing stations. A first series of needle processing...
06/24/1997
5561999Ring forming method
A method of forming corrugated rings of sheet metal which include the steps of: punching a circular area in the sheet material; punching a plurality of kidney-shaped areas concentrically spaced around the circular hole forming an annular area still connec...
10/08/1996
5511405Shutter manufacturing method
A method of manufacturing shutters for computer disks, optical disks and the like, includes forming a rib on a connecting member formed between adjoining shutter blanks during bending and cutting processing. The rib is concave in cross-section and increas...
04/30/1996
5491881Process for forming roller guide frames for a fishing line
A process for forming a support frame for a roller guide of the type designed to be mounted on a conventional fishing rod by means of continuously supplying an elongated metallic material strip of predetermined width to a plurality of adjacently positione...
02/20/1996
5454251Method of manufacturing a shutter for a disc cartridge
A manufacturing method of a shutter for a cartridge which is accommodating therein a recording medium includes the steps of punching out a plate-shaped metal material so as to provide a shutter of a developed shape having a pair of plate-shaped portions a...
10/03/1995
5349841Feeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchanger
A feeding apparatus for a metal belting has a basic plate being capable of supporting the metal belting, which has a plurality of through-holes in a feeding direction. The basic plate has slit formed in the feeding direction and a plurality of traveling p...
09/27/1994
5065504Method of forming flexible metal leads on integrated circuits
Slide forming tape-automated-bonded leads extending from an integrated circuit chip with a support ring on the leads between the outer periphery of the chip and the outer lead ends. After the leads are formed the support ring remains attached to the verti...
11/19/1991
5014535Apparatus 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
4958430Manufacturing process for manufacturing thin edge orifice disks for fuel injectors
A thin edge orifice disk is defined as a disk having a thickness to main dimension or diameter ratio of at least 1:80. The manufacturing of an accurately sized orifice in the disk is accomplished by means of a progressive die. One of the stations of the d...
09/25/1990
4914996Pressing tool for stamping apparatus
A pressing tool including means for cutting a blank from a strip fed longitudinally into the tool. The cutting means comprise a stationary lower punch carried by a press table and a vertically mobile upper die normally located above the punch and intended...
04/10/1990
4866970Apparatus for the continuous shearing off and cold swaging of metal workpieces
Apparatus for the continuous shearing off and cold swaging of metal workpieces, particularly wire material, comprises a device (1') for feeding the material (5), a pivotable shearing device (2), a slide (1) for swaging the sheared-off part, and a die-stud...
09/19/1989
4829669Method of manufacturing a chip carrier
A method of manufacturing a chip carrier having the J-shaped leads extending from the lateral sides of the enclosure of the chip carrier with the end facing the bottom of the enclosure is disclosed. The leads first extending laterally is made to have a ci...
05/16/1989
4809532Method of manufacturing split ring springs for snap fasteners
A split ring spring for snap fasteners has a burr extending from each end of the ring spring in a direction parallel to the imaginary central axis of the ring spring. When a stud member is snapped with a socket member in which the split ring spring is inc...
03/07/1989
4711115Method for forming memory discs by forging
A flat, smooth material, e.g., metal sheet, suitable for use as a disc substrate for applying a recording media thereto for data storage devices, and a method of making same, are disclosed. The flat and smooth substrate is formed by applying sufficient pr...
12/08/1987
4709573Surface heating element support spider
A support spider for a surface heating element is formed from a single piece of sheet material by first cutting a blank defining three legs. Two of the legs extend oppositely along a common longitudinal extent, while the third leg extends parallel to one ...
12/01/1987
4681237Method for the manufacture of metal packaging cans, and a semi-product in the manufacture of such cans
In the manufacture of metal packaging cans metal sheet is deep-drawn and ironed to form a seamless tube having a bottom in one-piece therewith, and the tube is cut transversely to remove excess material at the end remote from the bottom. This forms a cyli...
07/21/1987
4662205Machine for cold die casting malleable metals
A separable die block contains a cavity for shaping a part from a slug of cylindrical malleable metal and a cylindrical injector for injecting the slug of metal into the die block cavity, the injector having an outer sleeve and a coaxial inner pin which a...
05/05/1987
4613054Filler body for receptacles for combustible fluids and method of making same
A filler body for introduction into a receptacle for liquid or gaseous combustibles, e.g. gasoline, consists of a ball of expanded metal, especially aluminum foil....
09/23/1986
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