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Patent Searching and Data


Matches 501 - 550 out of 9,347

Document Document Title
WO/2000/023207
A sheet fabrication machine is equipped with different servo motors (25, 98) for actuating its upper tool (29) and its lower die (31). A direction converting mechanism (7, 9) is provided to each of the tool assembly and the die assembly ...  
WO/2000/023209
A roll forming line comprising at least one punch unit wherein said at least one punch unit comprises a punch having a punch head and a fluid operated actuating means having an output element operable to move the punch head to punch a wo...  
WO/2000/015367
A method of manufacturing an elongate stack of interlocked laminae in a die assembly. The method includes the steps of stamping a first lamina having generally opposed first and second edges in the strip stock material, stamping at least...  
WO/2000/015406
A number of holes (3) are formed in the outer circumferential wall (2) of a tubular metallic pipe (1) at regulator intervals in both circumferential and axial directions. Each of the holes (3) consists of a polygonal opening (4) and rais...  
WO/2000/015398
A press punching apparatus for stamping off marginal sections of U-shaped profiled bars (B) used in the construction of curtain walls. The apparatus (10) comprises a single pneumatic cylinder and piston system (58) for operating a pair o...  
WO/2000/009301
A punch guide assembly includes a retaining clip (7) for retaining the stripper plate (6) inside the punch guide (2) or allowing removal thereof without disassembly of any of the remaining components of the punch tool. The retaining clip...  
WO/2000/002680
Aerial and die mounted cams (10) are provided with dual opposed wearplates (60, 68; 58, 66; 62, 70) on bearing surfaces.  
WO/1999/067039
A tool holder for a punching machine, comprising several punching units (14) that are accommodated in tool holding fixtures (12) in the holder (10) in addition to gas pressure springs (15) to recall the punches (20). The advantage of gas...  
WO/1999/067038
The inventive stamping punch unit consists of a stamping punch (16) and elastic means (38) arranged between a stamp driver (30) and a guide bushing (18). In order to reduce the noise level during stamping, stamping punches are already fi...  
WO/1999/065627
The invention relates to a gripper feed system for a machine tool, comprising a housing wherein a gripper mechanism with a clamping piece, and a shaft for driving the mechanism and feeding the material are mounted. The shaft is driven by...  
WO/1999/065625
This invention relates to a punching apparatus (10) that may be used to punch samples (15) from a sheet of paper card (16). The location of potential samples on the paper card (16) is identified by identification means prior to engagemen...  
WO/1999/064762
According to a first aspect of the invention, a disc brake backing plate (1) comprises a plate having at least one retaining structure (3) defined on a first surface (2) thereof for securing a friction material (10) to the first surface ...  
WO/1999/064939
This invention provides an integrated support system for supporting sheet metal machining adapted to store and reuse the know how of skilled machine operators and improve the quality of sheet metal products and the rate of operation of m...  
WO/1999/062652
A device and a method for shaping a flat article under high pressure, in which a one-sided forming tool (5) is used together with a high pressure press equipped with a membrane (4). The one-sided forming tool (5) comprises at least one f...  
WO/1999/060322
A heat exchanger having a core of a plurality of cooling tubes (36) with a tank (10) at each end of the core tubes (36). The tanks (10) are formed with a plurality of cooling tubes (36) receiving apertures (20) along a side portion of th...  
WO/1999/052666
A method of making a knob (30) and ferrule (50) for a captive screw (10) is disclosed, the knob (30) integrally attached to the screw (10), the ferrule (50) attachable to a panel (60). The method of making the knob (30) includes providin...  
WO/1999/047303
Tooling and a method of employing tooling (90, 130) to produce beneficial stress waves in a substrate (132) to provide high fatigue life structures. Stress waves (159, 152) are provided to work a substrate, causing dimples (170) in the w...  
WO/1999/046068
Methods of manufacturing a metal part and a sheet retaining foil capable of reducing manufacturing costs and improving production efficiencies by forming them, even if they are fine, only by plastic working such as stamping, and a printe...  
WO/1999/043474
An adjustable punch tool assembly (20) has quick release mechanisms which provide for rapid removal and replacement of the stripper plate and punch without the use of tools. The stripper plate quick release mechanism (78) includes slides...  
WO/1999/041046
An apparatus for punching knock-outs out of light gauge steel framing studs used in building construction to form holes of sufficient size to allow building wiring and piping to extend therethrough includes a compact hand held frame (12)...  
WO/1999/030896
The invention relates to a tool comprising an upper tool and a lower tool having a punch (6) and die (4), respectively, mounted in an upper tool frame and a lower tool frame (3, 5). At least the die (4) or punch (6) can be adjusted in re...  
WO/1999/028117
The aim of the object is a v-belt drive for diverting a vertical pressure force comprising a driver (1), a slider (2) and a slider accommodator (3), characterised in that the driver (1) has a prismatic guide (13), the travel path Y of th...  
WO/1999/026740
The invention relates to a method for producing work pieces by means of shearing, especially precision cutting, of metallic materials into band or strip shapes. The band or strip sections should be heated to a temperature between 480 °C...  
WO/1999/025507
A device for producing a workpiece (42) by stamping a strip (43) has a tool upper part (5) and a tool lower part (6). At least one tool part (5, 6) has a stamp (31, 32, 33) which is a component of a stamping unit (25) which can be indepe...  
WO/1999/014012
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/1999/011400
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/1999/007492
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/1999/003318
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/1999/002301
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/1998/055244
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/1998/053931
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/1998/051426
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/1998/037993
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/1998/037740
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...  
WO/1998/030344
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/1998/025713
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/1998/024570
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/1998/015371
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/1998/010880
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/1998/008634
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/1998/001288
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/1997/046338
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/1997/045252
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/1997/038832
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/1997/037787
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/1997/035675
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/1997/035710
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/1997/032678
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/1997/021502
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/1997/021504
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...  

Matches 501 - 550 out of 9,347