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Patent Searching and Data


Matches 701 - 750 out of 20,925

Document Document Title
WO/2001/064498A1
A method of work a holed cylindrical body, comprising the steps of positioning and holding generally all around a cylindrical body (41) to be worked, lowering a press jig (45) having flange parts (49) provided on both sides of a prismati...  
WO/2001/062410A2
A hydroforming assembly (10) has a plurality of die structures (20, 21) that are mounted on a press for reciprocating movement between open and closed conditions. The die structures have cooperating die surfaces (22) defining a die cavit...  
WO/2001/056719A1
A metal part having rubber bonded thereto over part or all of its surface thereof; and a method of treating the surface of this metal part, comprising the steps of improving adhesion between the metal and the rubber, facilitating formati...  
WO/2001/056776A1
The invention concerns a press, especially a precision cutting press, for producing precision cut parts from a metal strip or a preform by means of a tool, which is fixed to a top tool clamping plate (38) and a bottom tool clamping plate...  
WO/2001/053017A1
Actual sheet thickness and material constants are measured at the time of punching prior to bending and this measurement information is reflected on bending, whereby efficient accurate bending is effected. Each blank developed on the bas...  
WO/2001/046596A1
A pressure activated piston and cylinder unit (12) for use with a die block is taught which provides installation (32) and service portions (23, 25) at the rear face (24) of the unit (12). Also provided is a pressure activated piston and...  
WO/2001/043897A1
Forming a tubular workpiece (19) by applying fluid pressure (21) to the interior of the workpiece (19) and enclosing the pressurized workpiece (19) in a die (11, 12) that has a die cavity (18). A portion or the whole of the die cavity (1...  
WO2001000396A3
A device for finely cutting workpieces from a material (1), comprising a press plate (10) which is subjected to the pressure of a knife-edged ring cylinder (13) consisting of a knife-edged ring and a clipping punch (9) which is guided in...  
WO2001003860A3
A conventional ball lock mechanism has been replaced with a wedge adapted to lock a tool, such as a punch, forming tool or die bushing in a retainer block in which the tool can be accurately positioned relative to the retainer block. The...  
WO/2001/034320A1
A rotary punching apparatus (10) for punching openings (14) in a moving web workpiece (w) the openings having a predetermined length along the longitudinal axis of the web and having a pair of die assemblies (60, 62) located on opposite ...  
WO/2001/032330A1
A self-aligning multi-tool (10) for use in a punch press having a ram (50). The multi-tool includes a housing (40) carrying a striker (44) and a magazine (12) bearing a plurality of circumferentially spaced tools (16) and rotatable with ...  
WO/2001/026838A1
A method and a device for the repetitive punching from plane material of articles with a good measure precision, whereby the plane material by lateral transfer is worked in one or a number of steps in one or a number of punching stations...  
WO/2001/017710A1
A metal sheet drilling disk roll used to successively drill holes in a long band-shaped metal sheet or metal foil, a metal sheet drilling device using the roll, a metal sheet drilling method, and a drilled metal sheet manufactured using ...  
WO2000054942A8
A bump cam is provided with a sacrificial force transmitting block (42) disposed between the driver (18) and the tool holder (16) and floatingly coupled to the tool holder whereby lateral loading imposed on the block by the driver is not...  
WO/2001/014079A1
After a large thin sheet (17) has been gripped in a registered state by means of a plurality of chuck tools (21) and transported in the X direction to a control start position, Y direction movement control for moving the sheet reciprocal...  
WO/2001/008829A1
A method of cutting opposing holes in a side wall (17) of a tubular workpiece (13) and removing the cut out slugs (46, 47), in which first and second axially aligned punches (18, 29) are applied to opposite side walls (17) of a pressuriz...  
WO/2001/003860A2
A conventional ball lock mechanism has been replaced with a wedge adapted to lock a tool, such as a punch, forming tool or die bushing in a retainer block in which the tool can be accurately positioned relative to the retainer block. The...  
WO/2001/000396A2
A device for finely cutting workpieces from a material (1), comprising a press plate (10) which is subjected to the pressure of a knife-edged ring cylinder (13) consisting of a knife-edged ring and a clipping punch (9) which is guided in...  
WO/2001/000361A1
A tool system for metal-cutting machining of sheet-like workpieces (12), wherein a cutting tool (20, 24) is disposed in at least one tool holder (14) of a turret-type stamping machine which has a drive device (56). With the aid of the dr...  
WO/2000/076685A1
A metal plate (16) is formed in a process comprising cutting, perforating or both, by forcing the plate (16), by means of an abrupt and intense force towards a mold (12) having openings (27) or boundaries defined by wall sections (22, 28...  
WO/2000/071309A1
A punch and die set (1) is provided for use in a stamping press (10) having a punch assembly (100) and a die assembly (200) reciprocated by a driving mechanism (25, 30, 35, 37, 38). The punch and die assemblies are aligned to a common ce...  
WO/2000/069237A1
The invention concerns methods for establishing contacts between two circuit layers separated by an insulating layer, which consists in pressing the complex (101) formed by those three layers between a sonotrode (105) energized by ultras...  
WO2000023207A3
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/2000/066290A1
The invention relates to a method for machining platelike workpieces in a striated manner, whereby, in work steps, the material plate is machined by a controlled linear unit in a striated manner and always in the same X-axis direction. T...  
WO/2000/059725A1
A method of stamping a part from an elongated strip of multi-layered material (10). The multi-layered material includes a viscoelastic intermediate layer (16), and upper and lower layers (14, 18) that are relatively rigid with respect to...  
WO/2000/054942A1
A bump cam is provided with a sacrificial force transmitting block (42) disposed between the driver (18) and the tool holder (16) and floatingly coupled to the tool holder whereby lateral loading imposed on the block by the driver is not...  
WO/2000/055561A1
The invention relates to a collector tube (1) for a heat transfer unit. The tube comprises one or several slits (3d) on the periphery thereof, whereby said slits are formed by a punch press without an inner die or by high-pressure shapin...  
WO/2000/053355A1
The invention relates to a method and a device for manufacturing plate parts (9). In the method, a continuous sheeting (8) to be worked is fed between two rolls (2, 3), wherein the plate parts (9) are cut and profiled simultaneously. In ...  
WO/2000/049620A1
A card type magnetic recording device (1), wherein a motor (10) to drive a magnetic disk stored in it is installed in a recessed part (9) formed in a frame plate (8), a rearward extrusion is used to form the recessed part (9) in the fram...  
WO/2000/045972A1
To roll form a worksheet (32) by a turret punch press, at least one pair of coacting tools (34, 36) are mounted to the opposed turrets (46, 48) so that when those tools are rotated to the work location, they could be driven to a predeter...  
WO2000015398A3
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/2000/041826A1
A method and devices are disclosed for punching one or more holes in extruded hollow profiled bars (50; 70; 270) where a back-up matrix (42; 150-550) must be inserted and located in precise alignment with the punching male punch (66; 90)...  
WO/2000/038907A2
The invention relates to a V-belt drive for diverting a vertical force of pressure. Said V-belt drive comprises a drive (1), a slide (2) and a slide guide (3). It is characterized in that the slide surfaces (8) in which the slide (2) is ...  
WO/2000/023209A1
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/2000/023207A2
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/2000/015367A1
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/2000/015398A2
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/2000/015406A1
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/2000/009301A1
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/2000/002680A1
Aerial and die mounted cams (10) are provided with dual opposed wearplates (60, 68; 58, 66; 62, 70) on bearing surfaces.  
WO1999047303A8
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/1999/067039A1
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/1999/067038A1
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/1999/065627A1
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/1999/065625A1
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/1999/064939A1
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/1999/064762A1
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 ...  
WO1999025507A3
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/1999/062652A1
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/1999/060322A1
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...  

Matches 701 - 750 out of 20,925