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Patent Searching and Data


Matches 701 - 750 out of 19,965

Document Document Title
WO/1993/009890A1
The invention relates to a method of improving the fatigue life of holes and cut-out portions formed in material sheet wherein on at least one area on the sheet where a hole is to be formed or a hole for the cut-out portion is to be form...  
WO/1993/009891A1
An apparatus for working metal workpieces comprises a frame (1), a rotatable tool turret (29) movable up and down and carrying a plurality of punch tools (32) which can be moved into a working position by rotation of the tool turret. The...  
WO/1993/006978A1
A rotatable turret die (67) is used to punch a series of holes (7A, 7B, 7C) in a metal sheet (W). An edge clamp (40, 126) grips an edge of the sheet to move it transversely beneath the turret die (67) for making the holes. The sheet is t...  
WO/1993/007445A1
To determine whether a machine tool is operating effectively, the present invention system, instead of directly measuring the operating parameters of the machine tool, monitors the presence or absence of any holes (136) made by the machi...  
WO/1993/006954A1
A punch press is provided with rotors (25, 27) for rotating a punch tool (12) relative to the punch ram (10) on which it is removably mounted. The rotors are rotated by worm gear (30) which is driven by a servo motor (34) via a flexible ...  
WO/1993/003893A1
A linear punch press (20) for punching sheet material is formed by an X axis central support frame (30) having a co-extensive laterally spaced parallel support table (28 - 28a) on either side. Medially its ends the central frame supports...  
WO/1993/002539A1
The machine tool has a frame (10) and a curved drive therein with two pairs of curved tracks (21a) with complementary curves. The tool is actuated via two levers (3a, 3b) linked laterally to a clamping plate (8). Each of these levers has...  
WO/1993/001903A1
A method and apparatus for reforming the bottom of a container (20) and a container made by that method is disclosed. The container for which this method and apparatus are suitable has an outer annular wall (26); a convex U-shaped portio...  
WO/1993/002425A1
In a die cutting press (16), a registration system for successively positioning a die unit (34) in predetermined relationship to defined areas of an elongated material (56) includes servomotors (60, 68) for moving the die unit (34) in a ...  
WO/1993/002540A1
The machine tool has a frame (10) and a curved drive therein with two pairs of curved tracks with complementary curves. The tool is actuated via two levers (3a, 3b) linked laterally to a clamping plate (8). Each of these levers has two r...  
WO/1993/001013A1
A method and apparatus is disclosed for attaching a preform to a metallic workpiece, particularly an epoxy preform for use in electronic packages. It has been known to preform the epoxy sealant and then position it onto the metallic base...  
WO1991018690A3  
WO/1992/019397A1
A method of changing tools in a punch press machine, capable of changing punch tools (11a, 11b...) without being influenced by backlash. It is determined whether a tool change command (T command) is output or not (S1). When the command i...  
WO/1992/018264A1
Method and apparatus for carrying out an operation, such as pressing, riveting, cutting etc., on a mechanical workpiece which operation comprises at least one stroke, or movement, along a predetermined path, of at least two active member...  
WO/1992/017273A1
A bed plate (13) for a fluidized bed apparatus is made from a plate (23) from sheet metal and comprises openings (22) for fluidizing air or gas of the so-called "gill type". In order to reduce or prevent fall-through of product, at least...  
WO/1992/016968A1
Encapsulated integrated circuits (chips) (2, 3, 4, 5, 6) are manufactured by separating the encapsulated integrated circuits arranged on a lead frame (1), subsequently cutting away the lead-connecting strips (7) of the individual product...  
WO/1992/013657A1
A punch die set capable of easily making changes of a punch, a die and the like and improving a working precision. In this punch die set, a stripper inserted so as to be vertically slidable on the inner peripheral surface of a hollow sle...  
WO/1992/013302A1
A function of punching a plurality of products in punch press processing that has been interrupted is adapted to be restarted easily. The processing position interrupted is identified by the product number of the product set on a raw mat...  
WO1992000186A3  
WO/1992/004995A1
A method of side-cutting by a turret punch press for improving working efficiency to a large extent. The method comprises a step in which a selected one (51) of a plurality of punch chips (51 to 54) arranged so as to be selectively hit i...  
WO/1992/004146A1
A device for making a key on the basis of predetermined codes of pitches and depths of cuts of the key, in which: a puncher for forming individual shapes of cuts and a die making a pair with said puncher are used; and key holding means f...  
WO/1992/002361A1
A cutting and forming machine has an adjusting device (11) for feeding the cutting and forming tool (13), said adjusting device being located in a mobile machine part, e.g., the upper part of the tool, and a measuring device 92) for meas...  
WO/1992/001522A1
In a method of tool selection control for a punch press machine equipped with a multi-tool holder, a tool selection instruction (1) consisting of 4-digit T codes such as (T1101) associated with a first punch tool (42a) of the multi-holde...  
WO/1992/000818A1
A punch press has first and second opposed tools mounted on first and second members, and these members are movable toward opposite sides of material to be formed between the tools. These motion members are electromagnetically driven wit...  
WO/1992/000186A2
An electromagnetically-driven punch press having an electromagnetic drive thrust motor comprising a fan-cooled solenoid winding and movable armature mounted in an elevated location arranged for (a) isolating the magnetic circuit from the...  
WO/1991/018690A2
In order to change punches and dies on upper and lower turrets during punching operation on a workpiece, a turret punch press includes a plurality of rotatable holder frames (31, 31B) each supporting the upper and lower turret (21, 25, 2...  
WO/1991/017846A1
A composite machine tool wherein a punching center and a cutting work position coincide with each other in order not to restrict a moving space of a workpiece at the time of cutting work as well as at the time of punching work. The tool ...  
WO/1991/017005A1
An improvement to a stamping press having a blanking punch and die combination comprising a blanking die (52) defining an opening, a cooperating blanking punch (50), dimensioned closely to mate with the opening wherein the die edge defin...  
WO/1991/016172A1
An interference prevention system of a machining head for preventing the interference between a punch head and a work holder and the interference between a laser head and the work holder in a compound machine for effecting punch-press ma...  
WO/1991/015313A1
An improved punch retainer (20) disclosed in which a backing plate (24) extends over a relatively large surface area to dissipate force from a punch (64). A punch retainer body (22) and the backing plate are permanently connected to each...  
WO/1991/014520A1
A punch press simplified in construction, easy in handling, manufactured at low costs, and moreover, high in reliability in operations. This punch press includes: an upper main shaft (3) made vertically movable by a hydraulic driving mea...  
WO/1991/004808A1
An object of the invention is to provide simple and convenient alignment between two mating form tools. The technical problem is the time consuming trial and error procedures frequently used to align mating tools with fine tolerances, fo...  
WO1991002939A3  
WO/1991/003353A1
A combination punch press and laser cutting machine has a C-shaped frame with a platform extending rearwardly from the web of the frame. Supported on the platform is a laser beam generator with vibration isolating fluid mounting elements...  
WO/1991/003335A1
A numerically controlled turret punch press has a number of rotatable tool stations (6, 25) and a combined turret and tool drive mechanism separate for each turret (1, 21). Specially designed members (9, 26) of the transmission of each t...  
WO/1991/003336A1
A turret punch press has a motor (5) which drives a rotatable shaft (8) to which is keyed a gear ring (9). Separately journalled for rotation on the shaft (8) is a turret (4) around the periphery of which are mounted a plurality of rotat...  
WO/1991/003354A1
A combination punch press and laser cutting machine has a frame with a ram in its head mounted for reciprocation along a vertical axis, and a die support member in the base below the ram. The support member has a vertical passage thereth...  
WO/1991/002939A2
The invention provides a linear explosive cutting or fracturing charge comprising a plurality of elements connected together for articulation. Each element comprises a body portion (1) defining a recess (9) for containing explosive mater...  
WO/1990/009882A1
A control apparatus (10) and method for progressively fracturing a workpiece from a material sheet in a press (12) in which a ram (28) is progressively advanced through the thickness of the material sheet in discrete steps, each of the d...  
WO/1990/005601A1
A turret punch press (1) includes an upper and lower turret (15, 17) for respectively supporting a plurality of punches (11) and dies (13); the punches (11) are arranged two-dimensionally in a punch mounting region on the upper turret (1...  
WO/1990/001381A1
A rotary punching machine comprises a pair of punching tools, namely a rotary punching tool with punches arranged on its circumference and a rotary counter tool, which co-operates with the latter, with dies in the form of punching bushin...  
WO/1989/011931A1
The invention relates to a stamping assembly having a U-shaped main part (1), the outer part of one arm (1a) of which is provided with a recess operative to support a die (3), and the outer part of the other arm (1b) of which is provided...  
WO/1989/011932A1
Said tool can be dismantled but this does not make it less sturdy than integral tools. The fact that it can be dismantled makes it possible to exchange the wearing part, i.e. the cutter. Moreover the cuttting part can be mounted in prede...  
WO/1989/009951A1
A high-speed press control system (12) including a control processor (14) and an associated scan processor (38) for executing a press algorithm providing timed interrupts and consisting of identical programmable sub-algorithms to control...  
WO/1989/008877A1
A control system for a stamping press having a ram adapted to cooperate with a tool for controllably moving through a cycle to generate forces at the tool includes storing, as a reference signature, a set of data bytes corresponding to a...  
WO/1989/006184A1
An apparatus for punching a foil (5) comprises a cutting die (1) having at least a cutting edge (4), and a punching die (6) which is adapted to be introduced partially into the cutting die (1) by a rectilinear movement between punching a...  
WO/1989/005699A1
The invention relates to a method of manufacturing a disc type diaphragm spring having a central hole (1) at the central portion thereof, a plurality of oval holes (2) formed in the outer circumferential portion thereof so that these ova...  
WO/1989/003484A1
A hydraulic drive system for a punching or an embossing tool comprises a double-acting hydraulic drive cylinder with piston surfaces of various sizes. The fast feed, working feed and fast retrun are controlled by the joint or alternating...  
WO/1989/002794A1
A system for trimming a can body wherein a can body (12, 212) is positioned within a cutting member (26, 226) so that the cutting member (26, 226) is at the location where the can body (12, 212) is to be trimmed. A resilient, deformable ...  
WO/1989/000465A1
Tooling system for a forming machine has a continuous guide passageway (42) in which first and second tooling assemblies (44, 46) are contained for movement towards and away from each other. The passageway (42) has passageway surfaces wh...  

Matches 701 - 750 out of 19,965