Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 20,272

Document Document Title
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 ...  
WO/1996/007493A1
The holes (101-106) are successively made by the punch (S1) in the multi-angled workpiece (W6) which, together with the lateral stops (A1-A4), determines various angular positions and hence the position of the hole to be stamped in the w...  
WO/1996/004085A1
An apparatus for retaining a tool (20) employs a fastener (22) which has a protuberance (122) engageable with a recess (60) of the tool. The fastener (22) is secured to a fixture (24) thereby serving to concurrently retain the tool (20) ...  
WO/1996/003261A1
A punch unit, comprising: a punch driver (24) with base (32); a spring bearing; a compression spring (34) between base (32) and spring bearing; a punch (10) threadedly and removably connected to punch driver (24); a guide bushing (12) wi...  
WO/1995/027597A1
To adapt a punch press to cut work blanks, a cutting mechanism having a freely rotating cutting wheel (72) is provided to a first support of the punch press while a corresponding die (62) having a groove for mating with the cutting wheel...  
WO/1995/024282A1
A system for preventing scratches, dents and die marks on sheet metal parts (10) during bending and forming operations. The system holds a supply of protective material (18), such as plastic film, canvas or sailcloth, on a roll or other ...  
WO/1995/019233A1
A punch press is provided with a tool bearing a workpiece-deforming roller (60), the tool being received in an aperture in the press for movement between a lower position in which the roller comes into deforming contact with a workpiece ...  
WO/1995/017985A1
A method of producing a header tank of a heat exchanger for forming a header tank (4) having a round tubular shape by rolling up a flat sheet-like blank (4A), which comprises transferring the blank at a predetermined pitch in a longitudi...  
WO/1995/016527A1
The disclosed punching unit transforms the vertical motion of a press into a horizontal punching motion by means of two wedges inside the unit body, the down motion of the upper wedge determining the horizontal displacement of the lower ...  
WO/1995/013151A1
A method of manufacturing a one piece integral metallic beam (22) having flanges (24), and a web (26) joining said flanges, the beam having been hot rolled from a heated metal workpiece (20) to produce an integral one piece beam having f...  
WO/1995/011098A1
A die management method for a punch press machine comprising the steps of reading by means of a bar code reader a bar code tag corresponding to an identification number assigned to a die to be installed at the time of setting dies, stori...  
WO/1995/008411A1
To reduce the man-day in the pressing of hollow knock pins. The method comprises the steps of deep-drawing a plate material A-0 to shape the material into a predetermined shape A-1, ironing the resultant work at a low draft, punching the...  
WO/1995/003901A1
The mechanical hand (16) comprises, on one hand, a zone (46) for the support and sliding of a panel or slab (SP) in a horizontal working plane (WP) and, on the other hand, a handling gripper (36) which can move horizontally along and acr...  
WO/1995/000267A1
A punching press comprising a die magazine disposed above a machining table supporting a work in parallel to a main frame supporting a machining head and a die carrying device for transferring a die between the die magazine and the machi...  
WO/1994/026508A1
In a press forwardly feed die of metallic gasket wherein a convex bead forming die (3) for forming a convex bead (10b) surrounding a sealed portion is parallely provided between a metallic plate piercing die (2) and an outer contour punc...  
WO/1994/026436A1
The present invention includes an apparatus and a method for transferring and forming parts in a press (20). The press (20) has a plurality of longitudinally disposed workstations (WA-E). A parts transfer system (22) has a grasping unit ...  
WO1994021421A3  
WO/1994/025260A1
In a press-driven tool module, in particular press-driven cross-punching or bending unit, a tool (18) mountable on a slide (9) is movable in any direction against the action of a restoring, integrated pneumatic spring, and the tool (18) ...  
WO/1994/021421A2
The present invention is an apparatus for detecting fault conditions, such as missing or improper hardware, in the operation of a fastener press (10). It includes a workpiece die (26) that is aligned and cooperates with a punch assembly ...  
WO/1994/020236A1
The dynamic loading on a double action high speed mechanical cupping press is substantially reduced with multiple stage tooling (15) which forms a batch of cups (C) from a strip (S) of sheet metal with each stroke of the press. Each tool...  
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/1994/011597A1
Metallic track members (10) having locking slots (32) designed for receiving and retaining metallic stud members (22) that contain construction aids (64 and 66) enable the assembly of metallic frames used in the construction of buildings...  
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/1994/007625A1
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/1994/007663A1
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...  
WO1994001234A3  
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...  
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/1994/001234A2
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/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/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/1993/007445A1
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...  

Matches 701 - 750 out of 20,272