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WO/2004/054730A1 |
The invention relates to a method and an installation for hot-rolling strips using a reversible Steckel rolling frame (8), each side of which is equipped with a respective furnace coiler (9, 10) and a driving mechanism (17, 18), provided...
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WO/2004/054745A1 |
The invention relates to crank scissors, especially for cutting rolling strips (22), comprising two pairs of blades (3, 4) which can be secured to blade carriers (1, 2). The blade carriers (1, 2) are arranged in an opposite position on a...
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WO/2003/051589A1 |
The present invention relates to a novel helical drum shear (10) which is operable to cut a strip of material (12) which moving at a first velocity (VF). The helical drum shear (10) comprises a means for cutting the material (12) wherein...
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WO/2003/004230A1 |
First and second rotary units (110, 120) comprises a pair of rotators (111, 121) disposed oppositely, and hitting bodies (130, 140) fixed rotatably to shafts (113, 123) spanning between the rotators. The hitting bodies (130, 140) have a ...
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WO/2002/078888A1 |
A shearing apparatus (1) for shearing a plate member (2) is provided with a pair of shearing rollers (20, 20) opposed with each other. These shearing rollers (20, 20) are rotated in opposite directions in a state that the plate member (2...
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WO/2002/062503A2 |
A method and apparatus for continuously producing pasted positive and negative electrode plates (14, 12) from pasted lead or lead alloy expanded, punched or cast metal mesh strip (10) for use in lead-acid batteries without the use of pap...
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WO/2002/036294A1 |
The invention relates to a device for the double-sided edge-trimming of rolled sections and/or metal sheets, using rotary shears and cut-off shears for cutting up the cut-off edge, the cut-off shears being allocated to a respective set o...
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WO/2002/034484A1 |
The invention relates to a method for adjusting the degree of engagement of a tool (6, 7) disposed on the outer radius of at least one associated rotating roll (4, 5) with a web of material (1) running past it. The aim of the invention i...
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WO/2002/000953A1 |
Feed material for use in producing a thixotropic alloy comprisingpellets (10) in the form of a solid cylinder having a length to diameter ratio in the range of from 1:1 to 2:1 and a maximum length of preferably 0.250 inch. In addition, t...
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WO/2001/096043A1 |
Machine for making grids for accumulator plates, comprising a supporting structure (7) lying on the ground and mounting die means (9) operatively acting upon a continuous lead tape that translate with a substantially constant speed along...
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WO/2001/091905A1 |
The invention relates to guillotine shears that comprise a rotor (2) with individual choppers (3) disposed on the rotor in a predetermined arrangement and with at least one knife (11) or knife system that is generally stationary vis-à-v...
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WO/2001/066279A1 |
A device for producing metal fibers from a metal wire comprises a forming assembly (14) and a cutting assembly (16), said cutting assembly (16) being arranged downstream of said forming assembly (14) in the direction of production, said ...
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WO/2000/074885A1 |
A rotary drum type flying shear, wherein upper and lower rotary drums (13, 14) having shear blades (13a, 14a) are supported on a bearing frame (12) through eccentric sleeves (15, 16), respectively, so that only the upper rotary drum (13)...
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WO/2000/062964A1 |
The invention relates to a flying shear comprising at least one drum which is equipped with a blade, whose peripheral speed can be synchronised with the feed rate of the rolling strip and comprising an anvil which is located opposite the...
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WO/2000/061325A1 |
A method for cutting a moving web (24) comprising adjusting the angle of a rotary knife (50) with respect to a web direction based on web speed, knife speed, and desired product length, allowing the production of products with lengths sh...
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WO/2000/054917A1 |
The flying cut-off mechanism (10) comprises: a carriage (15) including a cutting assembly (16) comprising a cutter (80) and a cutter operating mechanism (84) and a work piece stop and ejecting mechanism (18) both of which are slidably mo...
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WO/2000/040361A1 |
The present invention relates to a method for determining parameters of a rolling shear mechanism according to technical requirements, including steps: (1) establishing a model in which $g(D)1 refers to the variable distance between the ...
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WO/2000/038868A1 |
Continuously rotating shears for shearing to size a rolled product (16) continuously advancing at a set speed of advance (V¿1?), wherein the shears comprises two drums (12, 13), at least a shearing blade (14a, 15a or 14b, 15b) mounted o...
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WO2000003827A9 |
A blade mounting arrangement for mounting a cut off blade (12) in a roll (14) of a shear cut type, cut-off system (10) includes an elastomeric member (30) interposed between the cut off blade (12) and a mounting surface of the roll (14)....
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WO/2000/032339A1 |
The device comprises means (2, 3, 4) for moving an impact tool (1) essentially in parallel with the object (16) in the moving direction (x) of the object and means (17) for at the same time causing the impact tool (1) to perform impact m...
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WO/2000/018533A1 |
Continuously rotating shears (10) to shear to size metallic strip fed continuously at up to around 20 meters per second and having a thickness of from 0.5 mm to 5 mm and a width of from 500 mm up to at least 1500 mm, comprising two blade...
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WO/2000/005020A1 |
The invention relates to a method and a device for guiding and supporting a comparatively thin sheet or metal strip (1) during transport over a conveying device (10) such as a rolling table and/or during, before or after a cutting proces...
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WO/2000/005019A2 |
The invention relates to a method and a device for cutting to length strips (1) or sheets in the rolling or transport line (x-x), notably on a rolling table (2), using shears (3) having one blade holder (4, 4') each arranged above and be...
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WO/1999/059757A1 |
High speed cutting method for rolled sections in continuous advancement of the type in which is substantially provided: a flying shear for the bars cutting with always rotating cutters; shifting means which guide the bar to be cut from a...
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WO/1999/055980A1 |
The invention relates to a fiber, more particularly a steel fiber, for reinforcing castable hardening material, more particularly concrete, said fiber having length (L) and thickness (D) and formed from a sheet metal-shaped crude materia...
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WO/1999/048638A1 |
Method for shearing to size bars, the method using shears comprising a pair of counter-rotating drums (11), the shears comprising a single-channel switching device (14) suitable to cause the rolled stock (13) to transit in correspondence...
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WO/1999/046076A1 |
A flying shear for thin hot iron band should be shaped so as to enable dependable cutting of an iron band unwinding rapidly past. To this end, one of the cutting tool drums is mounted on an oscillating lever, the adjusting device consist...
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WO/1999/036218A1 |
Flying drum shear for cutting thin metal strips, consisting of a stand, in which are placed two drums (1, 2) with horizontally bevelled knives (3, 3') and coupled by gear wheels. Between the wheels and in the bearing of the drums (1, 2) ...
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WO/1999/029447A1 |
The invention relates to a pipe cutter having non-rotating, overlapping knives whereby in one embodiment one of the knives is continuously reciprocated. Also provided is a method of cutting a spirally formed pipe.
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WO/1999/024181A1 |
A process and device are disclosed for cutting a rolled strip (1) which leaves a hot-rolling mill train, in particular at a particularly high speed, and is cut with scissors (10) arranged after the hot-rolling mill train. A driver with t...
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WO/1999/003615A1 |
Apparatus and a process for the high-speed coiling of an aluminum strip. The high speed coiling can be accomplished throughout a continuous casting process without slowing the coiling as the present invention enables the transfer of the ...
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WO/1999/002296A1 |
The invention relates to an apparatus for cutting metal strip comprising first and second rotatable drums (6, 7) with corresponding first and second cutting means arranged side-by-side so that the metal strip may pass between them, the f...
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WO/1998/043771A1 |
A wire cutter (3) which cuts a wire electrode (5) used for causing discharge between a workpiece (W) and the wire electrode (5) includes a driving gear (12), a driven gear (13) which is geared with the driving gear and movable relatively...
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WO/1998/039125A1 |
A flying shear includes upper and lower shear blades for vertically shearing a running lengthy material, a pair of upper and lower drum shafts mounting thereto the upper and lower shear blades, respectively, in positions of the same phas...
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WO/1998/017412A1 |
The invention concerns an arrangement for shaping a helical pipe (18), said arrangement comprising a first stamping station for producing a flange on a metal strip (11). In a shaping tool (17) the metal strip is flanged at the side edges...
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WO/1997/043097A1 |
A rotary cutoff apparatus (10) for use in conjunction with a moving sheet web material (W), for cutting it into predetermined lengths (P), and having a pair of lower and upper cutoff rolls (12, 14), the rolls defining a gap for movement ...
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WO/1997/029878A1 |
A cutting die (13, 14) is made by milling the blade (14) shapes in a die (13) surface and then scanning the blades (14) with a laser (10) beam or other high energy beam or induction field to heat and then harden the blades (14). To minim...
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WO/1997/027014A1 |
An installation for cutting off several thread lengths (S, S1, S2) from a continually advanced skein (D) of flexible thread material and for distributing the separated lengths, with a feed (2), guides (1, 3), a cutter (4) and two inserti...
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WO/1997/021888A2 |
The invention concerns a steel fibre for reinforcing castable, hardening materials, in particular concrete, the fibre extending substantially along a longitudinal axis and having longitudinal edges which deviate from the rectilinear shap...
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WO/1997/006919A2 |
A process is disclosed for manufacturing steel fibres with a length/diameter ratio lower than 50 for fibre concrete. A steel starting stock (3) is machined by means of a rotary milling cutter (1) that is moved relatively to the longitudi...
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WO/1997/002907A1 |
A stable continuous hot rolling method which extremely lessens dislocation produced upon application of a high frequency induction heating of the transverse type for joining billets and eliminates plate breakage by individually cutting a...
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WO/1996/024475A1 |
The invention concerns a device (10) for cutting to size individual shaped parts for roofing tiles from a strip of unset concrete which is continuously fed on a line (16) of contiguous bottom-half moulds (14) of equal length. The device ...
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WO/1996/005930A1 |
An inventive tube cutting apparatus (28) includes spaced plates (29, 30) which allow modular mounting of the main components of the tube cutting apparatus. The various components can be replaced and matched with other components by eithe...
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WO/1995/026838A1 |
Apparatus for slitting or cutting sheet material comprises a driving roller (10) and a driven roller (12). Each roller (10 or 12) has on its periphery a plurality of ribs at a predetermined pitch and helix angle. The pitch of the ribs (1...
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WO/1995/010381A1 |
Guillotine shearing machine with two opposing blades (20, 21) fixed to an upper structure (80) and to a lower structure (50), translating in synchrony each parallel to itself and to the opposite blade describing equal circular trajectoir...
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WO/1994/025213A1 |
To reduce the production cost of steel fibres for fibre concrete by shredding steel strip it is proposed that, in order to obtain a longer length of fibre than the width of the steel strip, the cut, viewed in the plane of the steel strip...
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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...
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WO/1993/019867A1 |
A flying die apparatus including a reciprocally movable carriage (10a) mounting a plurality of die heads (12a, 12b) capable of performing sequential or concurrent operations on a strip stock segment aligned and moving with the carriage. ...
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WO/1993/002826A1 |
The present invention relates to an arrangement for removing an end-part from rapidly moving rolled material. According to the invention, the arrangement includes a cutting device (3) which function to cut the moving rolled material, a g...
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WO/1992/003265A1 |
An apparatus and method for severing a workpiece wherein the workpiece is clamped at two axially spaced apart locations, and heated to reduce the tensile strength of the material, after which the axial spacing between the clamps is incre...
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