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7628050 |
Press-working method
A press-working method comprises: cutting out a member with a predetermined shape from a sheet material, the member having a longitudinal direction; bending the member with the predetermined shape...
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7536894 |
Method and device for the production of the thin-walled part
Disclosed is a method for producing a thin-walled part ( 33 ), especially a pipe section. According to said method, the wall ( 11 ) of the part ( 33 ) is drawn out from a strip ( 1 ) of material,...
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7503198 |
Slug expanding and capturing apparatus and method for hydroforming application
An apparatus and method for piercing a hole in a work piece suitable for hydroforming applications is provided. The apparatus includes first and second die portions forming a die cavity for the...
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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....
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7178375 |
Apparatus and method for stamping and deburring clutch discs
Stamped and deburred clutch discs ( 20 a, 20 b ) are provided by progressive stamping apparatus ( 46 ) whose method of use performs a two step stamping of the clutch disc blank and a third...
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7171839 |
Method of manufacturing a stamped biopsy forceps jaw
A method of progressive die stamping manufacturing a biopsy forceps jaw comprising the steps of cutting a sheet of metal into a strip. The strip of metal may then be punched with a series of guide...
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7107810 |
Method and apparatus for forming container end shells with reinforcing rib
A method and apparatus for forming a rolled reinforcing rib in an end shell of a container body in a single stroke and at a single station of a single or double action press prior to removal of the...
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7082806 |
Method of manufacturing a diaphragm backing plate
A method of manufacturing a diaphragm backing plate for use in a brake booster comprising the steps of moving a coil of metal having parallel first and second sides that define a first width to a...
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7055353 |
Progressive stamping die
A progressive stamping die system and method of operation providing dimensionally accurate flat stamped parts. A biasing mechanism is provided in actual alignment with a coin punch member in order...
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7007535 |
Method and apparatus for aligning components of a press
A method and apparatus for aligning opposed telescopically engageable cut ring and blank and draw die when mounted in a can body forming press to form non-round disc-shaped blanks which are...
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6978532 |
Mower bed blade method
A method of forming a durable mower bed blade is provided in which the grain of the metal is perpendicular to the longitudinal axis of the blade. The blade is formed in part by coining the blade on...
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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...
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6742239 |
Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith
A progressive stamping die assembly apparatus and method in which strip stock material advances in a first direction through the apparatus and substantially simultaneously with the strip stock...
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6658911 |
Method and apparatus for forming container end shells
Method and apparatus for forming end shells for containers with a peripheral curl and an annular reinforcing rib in a single stroke cycle of a press which includes a punch core, a punch shell, and...
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6553805 |
Double-lanced suspension
A double-lanced suspension for use in progressive-die forming methods. The suspension is characterized by a rim section of lesser expanse between pairs of connecting tabs than is used in the prior...
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6539767 |
Method and apparatus for forming a container component
A method and apparatus for forming a container component has a fixed stock plate and cut edge mounted on a base at a first level for forming a disk-shaped blank from a strip of sheet material. A...
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6408670 |
Carrierless progressive die system
A carrierless progressive die system and method for improving part quality and reducing cost. A strip of sheet material advances between a plurality of die stations along a continuous planar...
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6389866 |
Method for forming an aerosol container closure
A mounting cup for an aerosol container having radially outward extending dimples on the body portion of the mounting cup and radially inward extending indents in the skirt portion of the mounting...
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6378351 |
Method for manufacturing endoscopic biopsy forceps cup
A method for manufacturing a biopsy forceps cup for an endoscope in which a spoon-shaped forceps cup is formed by drawing a metal plate blank by a press, includes forming a first cut on the metal...
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6370931 |
Stamping die for producing smooth-edged metal parts having complex perimeter shapes
A stamping die produces gears or other parts having quality tooth forms or the like from smooth edged metal blanks. A lower portion of the die includes a trim punch, whose perimeter shape...
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6223578 |
Method of manufacturing a sheet pressing wheel
A method for manufacturing a metal part and a sheet pressing wheel, in which reduction of their manufacturing cost is intended by enabling them to be formed only by plastic work such as press-work...
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6212930 |
Method 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...
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6205831 |
Method for making a cathode can from metal strip
Cathode cans for use in air depolarized cells, and cells made with such cans. The side wall is stronger than the bottom wall, and has a smoother outwardly-disposed surface than the respective...
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6079308 |
Apparatus for sheet-metal plate processing to be employed at inclined C-frame presses
An apparatus is provided for a plate processing at inclined C-frame presses for an automatic cutting of tin-can covers and lids of tin cans and the like from sheet-metal plates with a piston...
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6067830 |
Method and apparatus for forming opposing holes in a side wall of a tubular workpiece
A method of cutting opposing holes in a side wall of a tubular workpiece and removing the cut out slugs, in which first and second axially aligned punches are applied to opposite side walls of a...
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6032505 |
Tooling apparatus and method for high speed production of drawn metal cup-like articles
The dynamic loading on a double action high speed mechanical cupping press is substantially reduced with multiple stage tooling which forms a batch of cups from a strip of sheet metal with each...
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5950480 |
Method for manufacturing shoe for swash plate-type compressor
A method for manufacturing a shoe of a swash plate-type refrigerant compressor for vehicle is disclosed. The method comprises a first step, in which a spherical protrusion is made on a first side...
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5881593 |
Method and apparatus for forming a bottom-profiled cup
An apparatus and method for forming a cup (10) having a profiled bottom generally includes a draw die (20) disposed at a first level of a double acting press. The draw die (20) cooperates with a...
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5829300 |
Apparatus for transferring and forming parts in a press
The present invention includes an apparatus and a method for transferring and forming parts in a press (20). The press (20) has a plurality of longitudinally dispose workstations (W). A parts...
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5813271 |
Method of manufacturing frame for cathode ray tube
A method of manufacturing a frame for cathode ray tubes includes the steps of blanking a workpiece while keeping junctions thereon and punching a transformable area of the workpiece to form pilot...
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5737956 |
Method for manufacturing a force-receiving plate for friction device
A pressure-receiving plate for a friction device includes an annular portion and pawls formed integrally on the inner or outer periphery of the annular portion. The annular portion has one side...
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5711176 |
Blanking method
Disclosed is a blanking method according to which, when producing a part by blanking from a plate material, a forming process consisting of coining is performed on the upper and lower surfaces of...
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5666840 |
Method for piercing two aligned holes in a hydroformed tube
A method and apparatus for piercing a pair of aligned holes through both sides of a tube combined with the process of hydroforming the tube to final shape. After the tube is expanded and internally...
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5638717 |
Tooling apparatus for high speed production of drawn metal cup-like articles
The dynamic loading on a double action high speed mechanical cupping press is substantially reduced with multiple stage tooling which forms a batch of cups from a strip of sheet metal with each...
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5628224 |
Method for sequentially forming can bodies
Apparatus and method for forming cup-shaped metal container bodies or end shells from a metal blank in a double-acting press having inner and outer rams which operate in a timed relationship. A...
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5622068 |
Method and machine for producing details from a sheet of metal
A method and a machine for producing plate components (1) from a sheet of metal (2) which is moved through a press (13) for at least a first cutting operation to be performed to separate the plate...
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5598733 |
Apparatus and method for transferring and forming parts in a press
The present invention includes an apparatus and a method for transferring and forming parts in a press (20). The press (20) has a plurality of longitudinally disposed workstations (W). A parts...
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5584204 |
Press progressive dies for a metallic gasket
A press progressive die for a metallic gasket a convex beading die 3 for forming a convex bead 10b surrounding a seal part is disposed between a piercing die 2 for a metallic plate and an external...
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5566566 |
Method of making a paper clip
The method of making a paper clip to secure a plurality of sheets of paper together which are located in a stacked relationship. The paper clip produced by the method of this invention comprises a...
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5303571 |
Method of producing a one-piece band clamp
The present invention involves a method for forming a one-piece band clamp. The band clamp is made by severing band material to a proper width, forming the band material to a desired length,...
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5237845 |
Method of manufacturing a shutter for a protective envelope
The present invention provides a method of manufacturing a shutter to be slidably put on a protective envelope for containing a flexible disk. The method comprises cambering a flat metal strip,...
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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...
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5161402 |
Chamfering pressing machine
A chamfering pressing machine including a blanking-chamfering section having a die, in which the die has a shearing die section, a chamfering die section and a guide section, a punch for shearing a...
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5125256 |
Method of manufacturing outside ring
An outside ring manufacturing method comprises a first step of blanking out from a metal sheet a blank with a circular body portion and tongue portions which protrude at several places from the...
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5123271 |
Method for removing workpart blanks from sheet-metal strip
A method of blanking workparts includes advancing the strip 26, 126 in a zig-zag fashion to a stationary blanking station 14, 114 disposed along axis A from which successive workparts are blanked...
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5062287 |
Method and apparatus for making and transferring shells for cans
A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first...
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5044189 |
Scrap guiding and chopping in a shell press
A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first...
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5040946 |
Case, particularly for centrifugal radial pumps, and method for manufacturing thereof
A case (1) for single- or multi-stage pumps having at least one centrifugal radial impeller, and a method for the manufacture of such case with metal plate. The case includes, for each stage and...
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5024077 |
Method for forming container with profiled bottom
A method of forming a container body having a profiled bottom in a continuous operation wherein the body is formed from a blank of material into an inverted cup, the cup is reverse drawn and a...
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5021913 |
Shutter for covering a window opening in a case that contains a flexible disk
A shutter for covering the head window opening in a protective case that encases a flexible disk is manufactured from thinner and less expensive material and is made smaller in order to result in...
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