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7533793 |
Solder preforms for use in electronic assembly
A solder preform for use to attach an electronic component to a substrate. The preform is for placement by a pick-and-place machine using a vacuum nozzle which picks the preform from a preform...
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7464575 |
Shearing method for thin plate
A shearing method for a thin plate including forming a protruded product part having a first sagging part when the thin plate with a thickness of up to approximately 5 mm is performed with a half...
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7346975 |
Method of manufacturing a stator for an inner type of rotor
A method of manufacturing a stator core for an inner rotor type of motor. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from...
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7343770 |
Stamping 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...
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7107808 |
Shearing method for thin plate
A shearing method for a thin plate including forming a protruded product part having a first sagging part when the thin plate with a thickness of not more than approximately 0.3 mm is performed...
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7066702 |
Aerosol can ends
A dome of a domed aerosol can end is initially formed and then a crown of the can end is formed so that material flow within a workpiece from which the can end is formed is controlled to...
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6948350 |
Wave-processing method and wave-processing die for core metal of wet friction material
A ring-shaped core metal is pressed and compressed by a main punch and a counter punch so as to have a wave shape. Moreover, each group of three micro-protrusions provided on each of top points of...
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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...
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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′ )...
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6453716 |
Method of blanking elements of belt for continuously variable transmission
Elements with heads confronting each other are blanked out of two opposite sides of an elongated metal sheet. The differences between thicknesses of the elements at a measurement point at or near...
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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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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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6079249 |
Methods and apparatus for forming a beaded can end
A can end is formed from sheet material in a single acting press by blanking a workpiece and holding the workpiece between a blanking punch and a draw pad. The periphery of the workpiece is worked...
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5381683 |
Can ends
A method of forming a can end having a seaming panel 30, a chuck wall 32, and a central panel 17; the central panel being connected to the chuck wall by an outer anti-peaking bead 27 and the can...
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5187966 |
Method and device for drawing containers of frustoconical shape and a container drawn thereby
The device comprises a punch (2) of frustoconical shape and a die (1). The die comprises concentric rings (8, 9, 10) movable in the direction of the displacement of the punch, and pressure means...
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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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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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5067339 |
Cutting and forming tool for complicated flat structures
A tool comprises a lower part (2) and an upper part (1). The upper part (1) of the tool can slide on guides (3) and has a force plug (7) and a blanking punch (4). A die-plate (5) arranged on the...
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5052207 |
Apparatus for, and a method of, cutting a blank
When a blank is cut from metal sheet which suffers from crystallographic anisotropy, there is a tendency for ears to be formed during subsequent forming operations, such as drawing or pressing. In...
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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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4998430 |
Manufacture of rotor lamination for a dynamoelectric machine
In a progressive die for punch press operations in which a strip of material is fed into the press and sequential operations are conducted on the strip including the separation of parts from the...
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4862722 |
Method for forming a shell for a can type container
The disclosure relates to a novel shell such as used in the manufacture of can ends, and to a method and tools for making such a shell. A non-circular blank having rounded corners is cut from thin...
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4773248 |
Process for manufacturing a part having a tooth profile and boss
The present invention relates to a process for the manufacture of parts having a tooth profile and boss by means of a press machine. The process of the present invention comprises a blank with a...
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4760675 |
Power compartment and method of fabricating
A trench duct power compartment for use over a cellular raceway is fabricated by forming a rectangular-shaped blank and then stamping out a center section to leave portions which are contoured to...
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4711115 |
Method 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...
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4696177 |
Method and apparatus for forming containers
A method of forming a container in one or more double acting presses includes the steps of blanking, drawing an inverted cup and reverse drawing the inverted cup while retaining a flange thereon at...
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4688415 |
Method of manufacturing metal fasteners
A metal fastener for a report folder and the method of manufacturing same comprising the steps of forming the fastener head, forming a single prong portion extending from the periphery of the head,...
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4587826 |
Container end panel forming method and apparatus
A method and apparatus for forming end panels of uniform thickness for use with two-piece containers. The method includes the steps of engaging the stock under fluid pressure and blanking it;...
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4587825 |
Shell reforming method and apparatus
Method and apparatus for forming or reforming the shell of a two-piece container includes forming a cup shaped member in an upside down condition, reverse drawing the shell to form an over length...
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4586360 |
Method of and apparatus for the fine cutting (punching) of articles
Fine die stamping of workpieces from sheet metal is effected by clamping the workpiece between a die plate and guide plate, supporting the portion of the material to form the article by an ejector...
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4549424 |
Shell tooling method
A method and apparatus for forming end panels or shells for two-piece cans includes incorporation of the tooling necessary to form the panel within a double acting press. The tooling includes a...
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4516420 |
Shell tooling
A method and apparatus for forming end panels or shells for two-piece cans includes incorporation of the tooling necessary to form the panel within a double acting press. The tooling includes a...
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4442691 |
Double action press having floating punch
A double action mechanical press, especially for performing a blanking operation and a forming operation on each cycle thereof, having a first slide and a second slide, wherein the slides have...
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4400964 |
Method and device for continuous production of flanged hollow article
A blank material having a configuration corresponding to the flange part of the article is first punched by a punch member and a die member from a planar strip material, the blank is press-formed...
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4393681 |
Method of manufacturing hermetic sealing member
A metal sealing member comprising a metal cylindrical member, one end thereof being adapted to be soldered to another member to form a hermetic sealing structure is manufactured by squeezing a...
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4391118 |
Mechanism for forming a hole through a forged workpiece
A method and mechanism for forming a hole through a forged workpiece. During the forging operation an indentation is formed in the upper surface of the workpiece. While the workpiece remains in the...
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4299110 |
Method for forming a hole through a forged workpiece
A method and mechanism for forming a hole through a forged workpiece. During the forging operation an indentation is formed in the upper surface of the workpiece. While the workpiece remains in the...
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4213319 |
Thickness gauge
A thickness gauge is shown for measurement with each stroke of a metal blanking and cupping press. The gauge is adapted to be carried with the press ram adjacent to the blanking die. The gauge...
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4142396 |
Blanking and forming tapered wall articles
A method of producing blanks and shaped articles therefrom from sheet material comprises the steps of supporting the sheet material on a blanking die having a substantially cylindrical entrance...
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4138959 |
Production of composite articles
Apparatus for making a container for example a frusto-conical container from a blank having an end panel and side panels, the apparatus having a cavity tool and a core between the blank can be...
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4129024 |
Method and apparatus for forming elongated, tapered wall shells
Elongated, thin wall shells are formed from substantially circular blanks cut from sheet material by steps including providing a blank in a blank holder on a die having an effective entrance and...
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4103718 |
Apparatus for cutting and forming flexible beam leads of an integrated circuit chip
Apparatus for blanking an integrated circuit (I.C.) chip and the chip's thin flexible ductile leads which extend beyond the four sides of each chip from a segment of film to which the leads are...
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4100788 |
Blanking and forming press for sheet metal caps
A blanking and forming press for sheet metal caps having a fixed cross member, a sleeve constituting the blanking knife housed in the fixed cross member, first and second cross members supported...
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4071360 |
Method of forming a friction disc member
A method of forming a friction disc having projecting teeth including load bearing edge faces, in which one or more surfaces of the disc is indented to reform the edge faces while confined within a...
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4036056 |
Single-slide press for carrying out multiple functions with a single work-input stroke
Single-slide press with single work-input stroke and other characteristics and advantages of single-action press carries out multiple functions of double or triple-action presses in the manufacture...
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3728787 |
METHOD OF MAKING A SHIELDED CABLE CONNECTOR
Complementary male and female connectors are provided for shielded cables such as audio cables. Each connector comprises inner and outer sheet metal conductors with a sheet of insulation laminated...
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3654795 |
PROCESS FOR PRODUCING CUP-SHAPED OBJECTS HAVING AXIALLY EXTENDING LIPS
A cup-shaped object having an axially extending lip is produced by blanking a disk from flat stock, coining a recess into the periphery of the disk, and finally forming the disk into a cup-shaped...
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3635067 |
APPARATUS AND METHOD FOR FINE BLANKING OF PARTS
A fine-blanking die for mounting on a conventional punch press actuating device to punch out characterized shaped precisely finished parts e.g., gear blanks and gear blank segments from a sheet or...
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3488987 |
METHOD AND APPARATUS FOR PRODUCING SMOOTH-EDGE BLANKED SHEET METAL PARTS
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3442110 |
METHOD AND APPARATUS FOR MAKING HOLES WITH COLD-WORKED MARGINS AND THE PRODUCT
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