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Patent Searching and Data


Matches 701 - 750 out of 20,112

Document Document Title
WO/1994/011130A1
Apparatus for forming an opening in a pipe from the interior thereof comprises a hydraulic ram (20) having a cylinder (21) within which slides a piston rod (22). A sharpened wedge-shaped tool (23) is mounted in the free end of the piston...  
WO/1994/011639A1
A high-speed and high-load cylinder device wherein a hydraulic circuit for supplying a high-speed cylinder and a pressurizing cylinder with oil pressure by connecting a piston of the high-speed cylinder (1) having a small pressure receiv...  
WO/1994/008740A1
A method and a machine for producing plate components (1) from a sheet of metal (2) which is moved through a press (13) for at least a first cutting operation to be performed to separate the plate components from the sheet of metal and a...  
WO/1994/007624A1
A rotary apparatus (20) for rotary forming of a web workpiece (12) and having a rotatable first roll unit (32) and corresponding rotatable second roll unit (34), a first die support (46) carried by the first roll unit (32), having a lead...  
WO/1994/007663A1
An adjustable length punch assembly for adjusting the overall length of a punch having an axial adjustable punch driver and punch holder (14) retained at least in part within a punch guide sleeve (18) and biased axially with respect ther...  
WO/1994/007625A1
A punch guide sleeve and stripper plate assembly useable with a punch set of the type having a punch disposed within the guide sleeve (16) and adapted to be reciprocally advanced through an opening of the stripper plate (12) attached to ...  
WO/1994/006604A1
Metal sheet having less residual stress in its interior, a great tensile strength, a small inner resistance, and an excellent capability of supporting substances. In the metal sheet a number of holes (4) are made with punches (2) alterna...  
WO1994001234A3  
WO/1994/005443A1
A punching arrangement (24) has a guide assembly (56) for guiding movement of a second die (50) at an acute angle "A" relative to a first die (36) in order to punch an aperture (22) at an acute angle "a" in a flange of a track shoe (18)....  
WO/1994/005488A1
A breakthrough buffer for presses, for reducing noise or vibration occuring during blanking using a mechanical press, and a control method therefor. The apparatus is provided with a buffer body (20) disposed below the punch (3) of a pres...  
WO/1994/001233A1
A two stage die set for sequentially blanking an opening in a work piece, and thereafter forming edges of the work piece around the opening and having a male die assembly (14), having a male blanking die (30), a male forming die (32) spa...  
WO/1994/001234A2
An assembly line for producing steel coffers (2) from sheet metal plates (1) for ceiling and/or wall constructions, in particular for completing the interior or for building the superstructure of ships, for transportable and movable buil...  
WO/1993/020973A1
A rotary apparatus (10) for forming materials such as sheet metal has upper and lower rotary members (12, 14) rotating in unison on opposite sides of a moving strip of material, at least one die support (30, 32) movably supported on each...  
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...  

Matches 701 - 750 out of 20,112