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Patent Searching and Data


Matches 701 - 750 out of 20,526

Document Document Title
WO/1999/014012A1
The present invention relates to a method for making a stamped or finely cut member while minimising the amount of refuse during the manufacturing process. Accordingly, the member comprises several layers (3) of a flat material, wherein ...  
WO/1999/011400A1
The invention relates to a method for producing exact cut edges (4.1, 4.2) on a workpiece (2) by stamping or cutting, especially by fine cutting. According to the inventive method, a profile (15) is stamped or cut at a distance (a) from ...  
WO/1999/007492A1
A sheet steel blank (11) is hot stamped and rapidly cooled in a pair of cooled tools (20, 21) in a process usually called press hardening. The blank has holes (12, 13) that are collared by means of mandrels in connection with the forming...  
WO/1999/002301A1
The invention concerns an assembly comprising at least two machine-tools (2) for machining sheet metal and a device for transporting the sheets, one at least of said machine-tools being provided with means for being displaced along a fir...  
WO/1999/003318A1
The invention relates to a device for clamping at least two tool parts movable relative to each other for processing carriers for electronic components in a press. The invention also relates to a press adapted for co-action with the clam...  
WO/1998/055244A1
The invention relates to a method of punching one or more holes in a two-wall workpiece having mutually facing walls where one or more holes is/are to be punched in at least one wall. According to the method, there is inserted in the spa...  
WO/1998/053931A1
A method and apparatus for the production of bent sheet metal pieces (12) is disclosed. In the method or apparatus, a cut (14) is made in a sheet of sheet metal (10) that defines the perimeter of piece (12) to be obtained. The cut (14) i...  
WO/1998/051426A1
A method for blanking blanks for use in cupping in a high yield so as to form cylindrical cans of a low earing ratio (variations in cylinder can height) with those blanks; blanks blanked by that method; and cylindrical cans of a low eari...  
WO/1998/037993A1
A method of manufacturing a member which has different cross sections at different positions in a height direction. A hoop-like long object to be machined is fed progressively in a longitudinal direction. A plurality of structural member...  
WO/1998/037740A1
A method of selectively metallizing a thermoplastic substrate (1) using a hot foil embossing technique, a patterned metal layer (15) being transferred to the substrate (1) from a metal foil (5) with the aid of a cutting and pressing proc...  
WO1998025713A3  
WO/1998/030344A1
The invention concerns a punching-bending machine for producing different workpieces. The punching-bending machine can be equipped with at least one interchangeable machining module (1.0) on which are provided punching-bending tools whic...  
WO/1998/025713A2
A metal tube is cold formed into a stamped member by filling the tube with a liquid change-of-state material, freezing the change-of-state material, sealing the tube containing the solid change-of-state material, and stamping the tube in...  
WO/1998/024570A1
The invention relates to a hydraulic manual device (1) with a traction/pressure device, e.g. a punching machine, comprising a hydraulic piston (5) which moves in relation to the cylinder housing (25), a pressure pad member (2) and a fixi...  
WO/1998/015371A1
A machining schedule (hi), a machining program (mi) and a metallic die information (Fi) representative of features of a metallic die are transferred together to a controller (32), which controls a CNC device (34) and a turret punch press...  
WO/1998/010880A1
The connector plate (100) has a rigid, planar base (102), and a plurality of adjacent elongated slots (108) defined in said metal plate (100). The slots (108) are offset in a sinusoidal pattern having at least one cycle with a maximum am...  
WO/1998/008634A1
The invention concerns a method of producing and stacking components (9) from individual layers (30) which are punched, cut or the like out of a material strip (5). According to the invention, after being punched out, the layers (30) are...  
WO/1998/001288A1
This punching tool comprises a punch head (2), at least one punch (6) mounted in a punch holder (4), a die (8) and a structure (10) bearing these elements having a global U shape, also called swan-neck. The punch head (2) and the punch h...  
WO/1997/046338A1
A laminated stack (82, 116) having a lamina layer comprised of a plurality of discrete lamina segments (121, 122, 136, 138) and which may also have laminas (118, 120) which define a plurality of outer perimeter configurations. The invent...  
WO/1997/045252A1
When a start switch (SW3) is depressed, a one-shot multivibrator circuit (15) is actuated to output one pulse. When the pulse enters a self-holding circuit (16), the self-holding circuit (16) is self-held to output an H-level signal unti...  
WO/1997/038832A1
A device for perforating webs of foil, in particular plastic foil, has at least one pair of rollers through which the foil is moved. The pair of rollers includes a spiked roller with spikes which extend radially from its outer surface, a...  
WO/1997/037787A1
A rotary forming apparatus (10) having a pair of lower and upper die carrier units (14, 16), each of which is rotatable on opposite sides of a workpiece (W), and having a plurality of die supports (22, 24) swingably mounted on each of th...  
WO/1997/035710A1
The invention concerns a press, in particular a precision blanking press, with a slide (1) and a press lower part (3) associated with the slide, a tool (17) being located between the slide (1) and the press lower part (3). According to t...  
WO/1997/035675A1
The press slide (1) of a hydraulically or mechanically driven precision blanking press is non-positively connected with a crosshead (2) by means of columns (3). The knife-edged ring cylinder (C) is integrated in the cross head (2) and th...  
WO/1997/032678A1
The invention concerns a method for producing stamped parts, in particular plates, which comprises only two steps. In a first method step, the workpiece is blanked inside a device (1) in a fine blanking stage (2) and, after blanking, is ...  
WO/1997/021502A1
The invention relates to a method in a sheet metal work centre and a sheet metal work centre. In the sheet metal work centre, a locking arrangement (15) is placed between the upper tool (7) and the releaser (13), and the transfer device ...  
WO/1997/021504A1
The invention relates to a sheet metal work centre, whose lower tool (8) is mounted in the transfer device (17) which is movable in the vertical direction in relation to the body (1) in a way that the lower tool (8) can optionally be mov...  
WO/1997/018909A1
A punch press comprising a head including a ram and dies, which are movable in a Y-axis direction, the head being provided on a body frame; and a first and a second unit for moving a work in an X-axis direction and positioning the same, ...  
WO/1997/013625A1
A tool for making holes in an empty beverage can or other can is described which provides two articulated arms (1, 2) having formations at their distal ends (4, 5) which can co-operate to produce the hole. One distal end of one arm is in...  
WO/1997/011801A1
A stamping and bending machine (10) has upper and lower horizontal supports (18, 16) in each of which are formed two longitudinal chambers (80) which open out through broad longitudinal slits (86) on opposite sides of the horizontal supp...  
WO/1997/012192A1
The invention relates to a water tank for a radiator system or a collecting pipe for a heat exchanger, and a method and a device for the production thereof. The water tank or the collection pipes according to the invention comprise a pip...  
WO/1997/004894A1
A cam (1) for a press metal mold comprises a cam slide (3) having a cam surface (2) and movable in an X direction, a cam driver (4) adapted to abut against the cam surface (2) of the cam slide (3) to move the cam slide (3) in the X direc...  
WO/1997/003772A1
A method of forming relatively hard materials is disclosed. The method includes providing tooling for performing the forming operation on a strip (10) of relatively hard material. The tooling includes a forming tool (22) and a mating die...  
WO/1997/001405A1
A table (27) holding a work (28) is controlled through servomotors (22, 23) by position control means (10a) in a CNC device (10). A predetermined time before the positioning of the table (27) is completed, press action control means (10d...  
WO/1996/031301A1
A stamping and forming machine (10) is provided for performing stamping and forming operations on strip material (274). The machine includes a ram (26) that reciprocates toward and away from a base plate (14). The ram carries tooling (36...  
WO/1996/027457A1
A punching device for stamping of holes and slots in square sections, comprising a spring-loaded tool holder (31) which is mounted in a stand and is movable via a manually operable power transmission mechanism (8, 28, 29, 30) and which c...  
WO/1996/026798A1
Apparatus for punching holes in elongate sections (2) comprises an elongate arbor (4) over which is located the section (2) to be punched, a die head (6) at or adjacent the end of the arbor (4) and within the hollow section (2), and at l...  
WO1996021560A3
The present invention relates to a vibration damped laminate article having improved force (torque and/or pressure and/or stress) retention, a method of making one article type and novel tools used to make the one article type. The first...  
WO/1996/026050A1
An adjustable punch unit comprises a punch driver (18, 26) connected with a punch (10) and a base (28) at the rear end of the punch driver (18, 26). At least the rear part (26) of the punch driver is connected indirectly or directly with...  
WO/1996/026023A1
The cylinder (10) of the actuator comprises, in its head part (12), a fixed annular dividing wall (28) extending towards the piston (14). This dividing wall (28) defines in its interior a head chamber (20) and, around its exterior, a bli...  
WO/1996/022846A1
A stamping and forming machine (10) is disclosed having two operating modules (12, 14) with their drive shafts rotationally coupled together. Each module of the machine includes a punch assembly and a mating die assembly that reciprocate...  
WO/1996/021543A1
The invention has its object to perform respective processings of forming notches and bends on a portion (62) being processed of a lengthy edged band plate material (61) with high precision. A bending device (31) and a notch forming devi...  
WO/1996/021530A1
A workpiece deforming tool (200, 201) in a punch press comprises self-locking means (150, 260) for locking the tool in a working position after being pushed in this position by a momentary strike of a ram (99) of the punch press. Upon a ...  
WO/1996/021560A2
The present invention relates to a vibration damped laminate article having improved force (torque and/or pressure and/or stress) retention, a method of making one article type and novel tools used to make the one article type. The first...  
WO/1996/020799A1
A method for making flat components comprising the steps of cutting and shaping a sheet of resilient material, said flat components having dimensional tolerance in the thickness direction thereof. The method further comprises a step of s...  
WO/1996/020065A1
The invention has its object to use a compact vibration proof construction to positively prevent vibrations generated at the time of punch working from being transmitted to a laser processing head and a laser generator, thereby preventin...  
WO/1996/012577A1
A self-contained stagger-feed drive for roll-fed two and three-row blanking derives both the stepwise angular rotation of the feed rolls (16, 18) and the axial reciprocation thereof from a single mechanical input, using interchangeable c...  
WO/1996/011075A1
The invention relates to a method of making nipple holes or similar holes in a double-walled wheel rim having an inner wall positioned radially inward and outside of that an outer wall. The holes are made by punching by means of a punchi...  
WO/1996/010902A1
An electromechanical press apparatus for trimming excess portions from a leadframe strip package having a semiconductor chip thereon and for forming leads of the leadframe strip package extending from the semiconductor chip is disclosed....  
WO/1996/009904A1
This invention provides a machining method capable of molding a tapering through hole at a stroke by one pressing operation. The boring of a work is done by using a smaller-diameter punching portion (1a) formed at a front end of a punch ...  

Matches 701 - 750 out of 20,526