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WO/2000/005521A1 |
An apparatus (10) for manufacturing a large-diameter gasket, in which a pair of holding presses (50, 66) have press members (58, 74) which selectively bear against an elongate band (16) while a bending press (90) pivots against a portion...
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WO1999056896A9 |
A resistive heating element (10) that has been cut to a first length in order to produce a desired heat output is formed into a waveform (16) having a given pitch (20) and amplitude (18) in order to change the distance separating the end...
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WO/1999/041494A1 |
The invention relates to a method for the production of a honeycombed body, especially an exhaust gas catalyst, wherein at least one hard sheet metal is cold formed so that the hard sheet metal is fitted at least partially with a structu...
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WO/1999/037417A1 |
Disclosed is a device for step-by-step bending of trapezoidal or shaped strips (24) of sheet metal or metal sheets for industrial purposes, comprising a pressure cylinder (4) with a piston (5) which can be displaced perpendicular to a ho...
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WO/1999/036202A1 |
The present invention relates to a mechanism for conveying a sheet metal strip, such as plate sheet strip, on a profiling line and/or after it. A mechanism in accordance with the invention is comprised of a sheet metal strip (1), a profi...
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WO/1999/026035A1 |
A fin for a one-piece heat exchanger and a method of manufacturing the fin which has a high heat conduction blocking efficiency, does not produce cutting chips during forming, and has a high mechanical strength. The fin has a heat transf...
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WO/1999/016986A1 |
An apparatus for manufacturing roof cladding panels (15) has a roll forming assembly for profiling a sheet-metal strip (1) in the longitudinal direction, a pressing assembly (8) for forming transverse steps (22) on the strip (1) and cutt...
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WO/1998/056576A1 |
A flexible corrugated multilayer metal foil or metal sheet structure formed by corrugating a stack (10) of metal foil layers (1) and then compressing portions (26) of metal foil layers to fold the layers into overlapping relationships an...
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WO/1998/057112A1 |
Heat transfer elements (34) for rotary regenerative heat exchangers are formed with spacing ridges or notches (42) having flow-disrupted indentations (46) in the peaks of the notches (42) formed at selected intervals to project into the ...
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WO/1998/045064A1 |
The present invention relates to continuous cold-forming of strip material to produce building elements having transverse ribs extending across at least part of the element. Cold-forming elements of this kind is often difficult because o...
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WO/1998/037992A1 |
The subject of the invention is a method for forming sheet metal strip, such as roofing sheets, in which the sheet strip (1) is moved forward and formed into undulated metal sheets by means of machine tools (2). The tooling (2) used in t...
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WO/1998/032553A1 |
The invention relates to a method and an apparatus for creating fold lines in corrugated sheet transversely of the corrugations for enabling in a subsequent step bending of the sheet to a desired angle. According to the method the sheet ...
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WO/1998/024568A1 |
An apparatus for manufacturing a roofing panel has been accomplished such that the desired panel version can be produced by altering the infeed point of the panel (6) on a feeding table (5). The apparatus can be utilised in the manufactu...
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WO/1998/018557A1 |
The invention relates to a method and a device to produce structured sheet metal. According to the inventive method, a strip of sheet metal (6) initially undergoes a structuring operation wherein a structure (8) is formed, whose structur...
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WO/1998/015368A1 |
A method and apparatus for continuously forming corrugated sheet material in which corrugations are oriented at an oblique angle to side edges of the sheet material. The apparatus includes a pair of corrugating gear rollers (50, 60) supp...
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WO/1998/009745A1 |
A device for making a metal corrugated sheet (1) of a first prescribed height is disclosed which comprises, transverse to the corrugation or in an angle relative to the corrugation, a microstructure (6, 7) of a second height (B) much low...
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WO/1998/009741A1 |
A method and apparatus for manufacturing resilient, deformable serpentine products including a pair of form rolls (10, 12). The form rolls (10, 12) are generally circular in shape and include a plurality of intermeshing blades (56). The ...
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WO/1998/008632A1 |
An apparatus for roll forming convoluted springs (10) in which a tempered steel strip (32) is fed between a pair of forming rolls (30) which produce a continuous convoluted steel strip. A compression mechanism (62) downstream of the pair...
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WO/1998/006567A1 |
A composite panel (10) is formed by bonding together at least two overlying sheets of metal (12, 14). The method comprises performing a first corrugating operation on each of said sheets (12, 14), and positioning said sheets in overlying...
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WO/1998/006517A1 |
A panel (10) is formed from a sheet (12) of metal. The method comprises corrugating the sheet (12) with corrugations which extend parallel to one another in a first direction, and corrugating the already corrugated sheet (12) with corrug...
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WO/1997/035674A1 |
Lightweight flexure-resistant thin metal sheet is produced by passing flexible thin metal sheet (S) between rolls (R1, R2) having defined teeth (T), the teeth (T) having radiused corners so that rows of projections are formed on both fac...
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WO/1997/033053A1 |
A structural panel, suitable for use as slatwalling in retail outlets, consisting of a metal sheet bent to define on each side of the panel a series of channels (2, 3) of re-entrant cross section extending continuously across the width o...
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WO/1997/023694A1 |
An elongate structural profile has a base (3) and a pair of side walls (4) projecting from the base along its length, the base being provided with formations (9) extending longitudinally of the profile. At least a major part of the remai...
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WO/1997/018910A1 |
The present invention relates to a method to provide a sheet metal joint between a first element (14; 34), made out of sheet metal, and a second element (19; 32), preferably made out of sheet metal, a first fold (24; 62) being provided i...
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WO/1997/017148A1 |
A method and apparatus for forming a strip of fins with louvers comprising providing fin forming rolls comprising stacked carbide plates having rolling and cutting edges forming fins with louvers, and directing a strip of clad aluminum b...
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WO/1997/006001A1 |
When a heat transfer pattern comprising a plurality of recesses is formed on a surface of a roll to provide a thermal transfer roll, a metallic sheet is heated by the thermal transfer roll to form a laminate plate and an integral drum-bo...
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WO/1997/004893A1 |
A machine (90) for forming a metal roof panel (50) of indeterminate length from a uniform width supply strip (96) of sheet metal having a pair of parallel straight longitudinal edges (98, 100). The machine (90) has a series of spaced for...
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WO/1996/041691A1 |
Elongate metal strip (11) having a plurality of substantially rectilinearly extending corrugations (23), the troughs (12) and/or crests (13) of the corrugations being deformed at predetermined points (24) spaced along their length, towar...
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WO/1996/034221A1 |
The formed ragglestick (100) comprises a plastic tube (110) having a circular axial cross section and having two opposing sets of a multiplicity of cylindrically shaped depressions (130) generally spaced apart to allow for stacking of ar...
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WO/1996/016753A1 |
A fin folding machine (10) including a pair of opposed clamping tools (32, 34) disposed on opposite sides of a thin sheet material (12). The clamping tools (32, 34) are movable transverse to and into engagement with the material (12) to ...
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WO/1995/030867A1 |
The invention regards a recuperative heat exchanger for the exchange of heat between two media across a heat transferring wall. According to the invention the heat transferring wall is made from a shaped patterned sheet which is folded r...
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WO/1995/008409A1 |
A method of making a cold roll-formed sheet metal article having at least one longitudinally extending cold worked zone is characterised by the step of stress relieving said zone by impressing a regular embossed pattern thereon. In one e...
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WO/1995/005571A2 |
A radiator tube having a flattened oval shape has pairs of opposed turbulator dimples formed in its principal heat transfer surfaces, which dimples extend inwardly and meet in the tube interior to define a plurality of pillars. First and...
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WO/1994/025195A1 |
A microprocessor controlled apparatus and method for processing sheet material into building panels (P) for assembly into buildings. The sheet material is formed into a panel (P) having a flat bottom and sides while length of the formed ...
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WO/1994/012294A1 |
A stud for use in partitioning is formed by passing plain sheet material between a pair of rolls (18, 19), each having projections, to form projections at both of the opposite surfaces of the material and then roll-forming the material t...
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WO/1994/009927A1 |
A method and apparatus is provided for crushing a portion of a corrugated plate in a selected area of the corrugations without blocking the grooves (14, 14'). In accordance with the method teeth are inserted into grooves on opposite side...
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WO/1994/009925A1 |
The invention relates to a quickly rearrangeable production line (1) for the profiling of thin metal strip into profiled sheets (10) in a roll-forming machine with undriven forming rollers. The profiling operation is carried out after th...
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WO/1994/007623A1 |
The present invention relates to a setting device for shape rolling mills comprising laterally adjustable, freely rotating shaping wheels or disks (5), said shaping wheels (5) being mounted on wheel holders (4) that can be attached to an...
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WO/1993/020962A1 |
A mobile metal building forming machine (30, 34, 38, 40, 68, 74) forms a panel (P) of predetermined length from a coil of flat metal and then the formed panels are continuously crimped on their side edges (C¿s?) for strength and are sel...
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WO/1993/018872A1 |
The present invention relates to a sheet metal profile, preferably a so-called high profile of high bearing capacity, comprising an upper flange part (1), two webs (2, 3) which extend down from the upper flange part and the bottom ends o...
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WO/1993/014891A1 |
The roller section comprises two juxtaposed transverse beams parallel to each other, displaceable towards each other and carrying laterally adjustable holders (14, 15) for profiling rollers (13). At least one of the transverse beams (2, ...
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WO/1993/005901A1 |
The invention relates to a material in the form of a strip, plate, foil, sheet, board or corresponding having a stiffening corrugation or embossing. A characteristic feature of the invention is that the corrugation or embossing within th...
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WO/1993/005900A1 |
A roofing tile press comprises a die assembly (50) having reciprocable form blocks (53, 54) movable in an upright plane and clamp blocks (55, 56) movable in a horizontal plane to accommodate planar dimensional changes in a metal sheet fe...
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WO/1993/000186A1 |
A disc (3) for a fin forming roll has first and second main faces (6) and leading and trailing cutting surfaces (7 and 8) defining a bending tip surface (9). The cutting surfaces (7 and 8) are terminated short of the tip (9) to provide t...
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WO/1992/009766A1 |
A structure is provided which may be formed from a sheet of paper, synthetic plastics or metal. The structure when assembled comprises a series of parallelograms arranged in a tessellating fashion. Uses of the structure include as a memb...
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WO/1992/005894A1 |
A machine (1) for shaping profiled metal sheet (100) includes a number of shaping stations (10A, 10B, etc.). The shaping stations include an upper beam (11) and lower beam (12). The beams (11, 12) carry groups (31 - 34 and 41 - 44) of ro...
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WO/1991/013309A1 |
The package comprises plates (1, 2, 3, 4) having a zigzag profile and forming, in the direction (4) of the flow of the first heat carrier, diffuser-confuser channels. In the direction (M) perpendicular to the direction (L), each of the p...
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WO/1991/005623A1 |
The apparatus comprises a pair of rotatable devices (9, 11) each holding a plurality of metal shaping and/or cutting rollers (17, 19; 127), the rollers of one device meshing with rollers of the other device to produce specific designs or...
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WO/1991/004114A1 |
The invention relates to a profiling device intended for profiling metal sheet or the like, and comprises two free-bearing wheels (1, 1') which, in coaction, determine the shape of the material being worked. With this type of profiling d...
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WO/1990/014180A1 |
In a bending machine, especially for jointing the edges of metal sheets by folding, with a machine frame, which has the supporting surfaces for the components to be folded and carries a folding device consisting of several pairs of foldi...
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