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WO/1995/011767A1 |
The system for producing bent sheet-metal articles comprises a bending machine (80) having a punch (84) and a die (86) which cooperate with each other and define a bending space, and a manipulator (64) having a movable head (76) which ca...
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WO/1995/002475A1 |
A method is provided for bending metal objects, in particular metal plates and objects made of brittle materials, by producing a local change of mechanical properties of material controllable over time and generating local stress fields ...
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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/1994/023860A1 |
Apparatus for bending and stretching symmetric and non-symmetric (in cross section) elongated hollow members (26). The apparatus includes removable jaw means (38, 39) located in opposed clamp assemblies of the apparatus for gripping the ...
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WO/1994/022611A1 |
Disclosed is apparatus (1) and a method for the stretch forming of an elongated hollow metal section (6), such as an aluminum extrusion. The apparatus and method uses one or more constraining means (15, 20, 21) secured to a forming die (...
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WO/1994/022610A1 |
Disclosed is apparatus (1) and a method for the stretch forming of an elongated hollow metal section (6), such as an aluminum extrusion. The apparatus and method of this invention uses a collapsible and expandable articulated mandrel (15...
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WO/1994/022609A1 |
Disclosed is apparatus (1) and methods for the stretch forming of an elongated hollow metal section (6), such as an aluminium extrusion. The apparatus and methods use a flexible constraining means (15) which surronds at least a portion o...
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WO/1994/021402A1 |
A method for bending metallic plates along a straight bending line comprises a local heating of a selected strip section of a plate with an impinging wide energy stream. Thereupon, the selected strip section is cooled by means of a cooli...
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WO/1994/020234A1 |
The invention provides, with reference to the figure, a method of forming a tubular blank of a desired cross section from a tubular blank (10) of different cross section by means of closing parts (30, 40) of a die around the tubular blan...
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WO/1994/006579A1 |
In a continuous screw conveyor or auger, the rotatable screw member (12) comprises a helical radial blade (28) (known as "flighting") which is preferably carried on a central driving shaft (26). The flighting (28) is formed by rolling a ...
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WO/1994/004295A1 |
A method is disclosed for manufacturing helical pitch components by direct forging. It applies essentially to the manufacture of relatively large helical components having a deep screw groove. Straight sections (1) having ribs (2) radial...
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WO/1993/024254A1 |
Method and mechanism for the formation of wire in upwinding spiral solenoid shape (Fig. 3) which is characterised by the use of modified automatic wire bending machine so that the plane of wire shape production is horizontal and faces do...
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WO/1993/024253A1 |
The present invention refers to a process for the manufacturing of pallets from different and profiled metal strip members given a certain shape, a tool for carrying out the forming of the profiled metal strip members to be assembled to ...
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WO/1993/022078A1 |
A method and apparatus for bending of strip stock (52). A flexible die (50) is utilized having a plurality of elongate die strips (110) including an inner laminant (108). The die strips and the inner laminant are composed of a flexible p...
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WO/1993/019864A1 |
The universal positioning and support structure for tools (56) used by a machine for bending elongate elements (58) such as tubes or prolifed sections, includes at least one base body (6) and a support platform (43) for said tools (56), ...
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WO/1993/020319A1 |
Hollow sections (13) for spacing frames are filled with a granular desiccant before they are bent, then they are bent and their bent ends are finally linked together. To prevent the hollow sections (13) from cracking open when they are b...
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WO/1993/019865A1 |
Described is a bending machine for simultaneously bending two individual wires superposed over each other, the machine having, located one after the other along a feed line, a first alignment device (1), a feed device (2), a second align...
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WO/1993/017807A1 |
A machine for manufacturing piston rings from the metal strip (10). The machine comprises feeding means (12) for feeding the strip, shaping means (14, 16, 18, 20) for shaping successive portions of the strip into piston rings of a desire...
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WO/1993/014892A1 |
It is possible to bend thin-walled spacer profiles (1) for double-glazed windows without risk of formation of cracks and/or folds in the side walls (4, 5) in the profile, which makes it useless as spacer frames. This may be obtained when...
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WO/1993/005899A1 |
The invention provides that a former (A, B, C) is used for forming scrolls from strip metal (30). The former has a scroll flight which is in two parts (A, B) which are relatively movable in the direction of the axis about which the forme...
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WO/1993/001904A1 |
A machine for making latticework mats consisting of welded longitudinal and transverse wires with a device for bending ends of transverse wires projecting beyond the edge longitudinal wire over the latter in the form of loops, in which t...
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WO/1992/009381A1 |
A drill steel is formed by providing a steel (12) and applying twist to the steel. The twist is applied by locating one end (14) of the steel in a movable first grip (26) and an intermediate portion (16) in a stationary second grip (28) ...
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WO/1992/007671A1 |
A method and apparatus for bending profiled sheet metal transversely to the longitudinal ridges and troughs of the profile is disclosed. This includes clamping the sheet between first and second longitudinally spaced and pivotable clamps...
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WO/1992/003237A1 |
A method of bending a pipe, the method comprising the steps of: i) inserting a form retainer comprising an articulated string (1) of bobbins (2) each provided with gripping means into the pipe bore; ii) causing the gripping means to grip...
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WO/1992/000155A1 |
A wire bending machine has a head (16) with a slot (18) for receiving wire (20) to be bent. A retaining device, comprising a pivoted lever (42), is movable by a ram (22) to close the open end of the slot. The lever may be pivoted by a li...
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WO/1991/015605A1 |
Metallic card clothing is illustrated having sharp metallic points C at tips of teeth (32) formed by punching and thereafter exerting a mechanical force bending metal over at the tips of the teeth (Fig. 12).
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WO/1991/014521A1 |
A method of manufacturing a ball point member (16) for use in a ball point pen wherein a plurality of circumferential grooves (26, 27) are formed on one side only of the outer surface of the tubular body (20) of the point member (16) nea...
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WO/1991/004113A1 |
A device for bending steel rods into concrete reinforcing irons with a device (3) for feeding rods into a conveyor (8) with which a bundle of rods may be introduced laterally between bending members (11, 12), in which the conveyor has at...
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WO/1990/008719A1 |
A hollow worm conveyer (1) made of a strip material has a guiding surface formed by strips (2, 3, 4), whose edges are oriented along a spiral line both in the longitudinal and the transversal cross-section of the worm conveyer. The propo...
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WO/1990/006459A1 |
Piston rings are described which comprise a single ring (10) in a co-operating piston ring groove (11), the piston ring being planar, having a dished section, and a planform giving desired radial pressure distribution on a co-operating c...
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WO/1990/002275A1 |
A method of forming a spring for a reel unit comprising spirally coiling a spring strip (21) through a mandrel (5) and (6) to form an inner end (7) and outer end (8) respectively, passing the strip (21) through a reverse bias inducing un...
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WO/1989/009104A1 |
Process and device for bending preferably rod-shaped materials (13) to obtain any bending radius R and/or bending angle Z. A bending template is not required. Said materials (13) are bent gradually, in stages, around a bending block (12)...
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WO/1989/007495A1 |
A method for bending spacer profiles (36) for insulating glass permits production of the corners with well-defined plane outsides extending in planes identical with the planes of the profile lateral faces (46) and barring completely pass...
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WO/1989/004222A1 |
The invention relates to a method and apparatus for folding corrugated sheet transversely of the corrugations. In accordance with the method, the valleys of the sheet corrugations are held clamped against a die in an edging press or like...
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WO/1987/007537A2 |
In the process for the cold forming of ferrous and non-ferrous metal sections, pre-tensioning is applied to the initially essentially straigth metal section, which is clamped at both ends. Next, the tensioned metal section is bent in a r...
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WO/1986/004837A1 |
The bender is used for wires having a cross-section which varies according to their length, and comprising two cylindrical sections (6, 9) and an interleaved conical section (8). The wire is bent by means of three rollers. The bending ro...
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WO/1984/000907A1 |
Method for bending a corrugated plate (p) about an axis extending transversally to the valleys (3a) and crests (3b) respectively, by applying said plate (p) between two press beams (1, 2) the opposite faces of which are provided with mut...
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WO/1982/003574A1 |
Method of bringing about the bending of a preferably hot rolled strip (1). The invention is characterized in that the strip (1) to be bent is provided with bending notches in the form of grooves (2), which extend along the strip. The ben...
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WO/1981/002535A1 |
Bending of shaped sheet metal, which shows alternatingly occuring longitudinal ridges and valleys, the lateral portions of which constitute lateral portions of the ridges, about an axis, which extends perpendicularly to the longitudinal ...
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WO/1981/001258A1 |
The method can be used for manufacturing side plating. The method of bending the metal sheet consists in heating and bending thereof with the use of gravity. The stage heating is done by means of high-frequency currents, whereas the shee...
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WO/1980/000932A1 |
Method and device for bending sheet-metal sections. It is previously known to bend sectional sheets, but the known art involves certain problems to bring about a non-angular bend with a small radius and without damaging the sheet. Accord...
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WO/1980/000288A1 |
A device for the spiral winding of a metal band (1) wherein a base (6) bears a rotatable disk (7) on the periphery of the butt-end of which mandrels (8) intended for winding the metal band (1) are mounted, the metal band fitting by means...
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JP7426767B1 |
The present invention provides an apparatus and method for manufacturing a helical coil that spirally winds a long square pipe having a rectangular cross-sectional shape while maintaining the cross-sectional shape. [Solution] A helical c...
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JP7421043B2 |
To prevent the twist of work W due to the twist of a reinforcement S at bending.A reinforcement bending device has left and right vendor units 10, 10, left and right supply units 20, 20, a twist preventive device of work by left and righ...
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JP2023176500A |
To provide a bus bar and a method of manufacturing the bus bar which does not produce processing residue, can reduce a material cost, prevents the swelling generated upon bending processing from protruding from front and back, and can im...
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JP2023172461A |
To provide a longitudinal member which is a wire, a cable, a sheet or a tubular hollow member that is processed into a desired longitudinal shape, and a processing device and a processing method of the same.Both infrared lamps 42 and 52 ...
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JP7384379B2 |
To provide an operation support method for flat sheet press work, an operation support program for flat sheet press work, and an operation support system for flat sheet press work that can perform additional press work to improve precisi...
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JP7364548B2 |
To provide an aluminum material processing method that can easily and accurately perform bending work on an aluminum material composed of extruded aluminum material having a flange and a web, and a finished article.A method of processing...
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JP7338792B2 |
Provided are a steel material, a method for producing the steel material, a tank, and a method for producing the tank. A steel material of the present invention has a chemical composition containing, in mass%, C: 0.200% or more and 0.700...
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JP2023121368A |
To provide: a method for manufacturing a bent component that has sufficient appearance (bending convex side) quality, and that is formed, on a tabular workpiece, with a flange sharply raised along a bending line that forms a curve in a p...
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