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WO/2023/237377A1 |
The invention relates to a guiding device for filling a pipe (C) with a granular material in order to enable the bending thereof, the guiding device (1) comprising: a funnel (2) configured to be mounted on the first end (TE1) of the oute...
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WO/2023/172500A1 |
A tubing bender device includes a frame, handle, ratchet mechanism, slide rod and a frame notch. The tubing bender may be easily disassembled and assembled into a forward or reverse configuration through the use of connectors, two bracke...
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WO/2023/136172A1 |
Disclosed is a new method with which a curved portion having a small radius of curvature can be formed easily, while suppressing wrinkles and buckling of a starting material tube. A method for manufacturing a hollow member according to t...
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WO/2023/017129A1 |
The invention relates to a device for the internal bending of pipes (100), more particularly coated pipes, for pipelines, the device comprising a main body (11), which can be positioned in the pipe and which has, on at least one side (12...
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WO/2022/263810A1 |
A method of manufacturing a double-walled elbow pipe segment, comprising the steps of: (a) providing an inner pipe member; (b) providing at least one first support member, and positioning said at least one first support member coaxially ...
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WO/2022/088448A1 |
A high-strength steel tube bending die mandrel. The die mandrel is a straight rod-type mandrel and comprises a mandrel pull rod (4) and a mandrel body (1). The mandrel pull rod (4) is screwed to the rear end of the mandrel body (1). The ...
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WO/2022/086968A1 |
Battery pack powered roll groover (100) described herein includes a housing (110), an inner roller (140) provided on the housing (110) and configured to be received in an inner circumference of a workpiece (105), a groove roll (145) prov...
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WO/2021/224731A1 |
A mandrel for pipe bending machine has an elongated body (3) with a first end connected to a mandrel rod and a second end, opposite to the first, in which there is a spherical seat (8), several intermediate articulated elements (10) and ...
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WO/2021/077514A1 |
A large-size thin-wall ring shell inflation hot-bending forming device and method. The method comprises: welding a first sealing head (11) and a second sealing head (12) on a pipe body (10) to form a sealed pipe fitting; providing a firs...
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WO/2020/228840A1 |
An elastic dual-support variable-diameter mandrel used for aircraft engine metal conduit bending, said mandrel comprising a frame holding tube (1), an elastic outer frame (2) and an inner hydraulic component (3); in the inner hydraulic c...
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WO/2020/211883A1 |
A slide block-type cross-section full-support core rod structure having ratchet check rotation diameter change, said structure comprising a core rod movable joint (4) and a straight handle (1), the core rod movable joint and the straight...
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WO/2020/152998A1 |
The objective of the present invention is to manufacture a sunroof rail having high dimensional accuracy and no cross-sectional deformation.　This method for manufacturing a sunroof rail, for manufacturing a sunroof rail by bending an e...
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WO/2020/030403A1 |
The invention relates to methods for bending a cooling device for microlithographic projection printing systems, comprising the steps of: providing the particularly unbent cooling device (100) comprising at least one cavity (108); fillin...
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WO/2020/025167A1 |
The invention relates to a heat exchanger (1), comprising: a tube bundle (3) having at least one tube (30) for receiving a fluid medium (M), wherein the at least one tube (30) is wound about a core tube (300) which extends along a longit...
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WO/2019/115275A1 |
The invention relates to a long tubular pipe comprising an outer tube, an inner fluid-transporting tube (4) mounted in the outer tube, and a separating member (3) designed to transmit bending efforts between said outer tube and said inne...
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WO/2019/109431A1 |
A machine for extracting a specified rubber strip comprises a base. A first fixture for fixing a product, a first slide rail (1), a first slider (2), and a driving source for driving the first slider (2) to reciprocate along the first sl...
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WO/2018/204527A1 |
A bendable electrical conduit includes a body fabricated from a ductile material. The body includes an exterior surface, a channel defined by an interior surface, and a wall of a select thickness separating the exterior surface and the i...
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WO/2018/155414A1 |
This mandrel 10 is manufactured by performing rotary draw bending processing on a thin-walled curved pipe having a bent section with high strength and a small radius of curvature without causing any one among a crack outside a curve and ...
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WO/2018/106434A1 |
Feedback-based systems and methods for bending wire are provided. The systems and methods may allow for modification of wire bending based on feedback received from one or more feedback-generating elements (e.g., image-capturing device(s...
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WO/2018/092965A1 |
The present invention relates to a flexible mandrel for forming a pipe mold, the flexible mandrel comprising: a bar which has an insertion groove formed on the front part thereof, and a screw groove communicating with the insertion groov...
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WO/2018/012177A1 |
The purpose of the present invention is to provide a method for producing a pipe material and to provide a mandrel with which resistance between a member to be processed and the mandrel during bending processing can be reduced and overal...
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WO/2017/210285A1 |
A bending device for forming a product from a workpiece includes a shaft driven to rotate by a motor, an actuator including an extendable end configured to secure a portion of the workpiece, and a die coupled to the shaft and driven abou...
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WO/2016/197226A1 |
A method for manufacturing a coil-on-tube heat exchanger is provided. The method comprises the steps of preforming a coil tube into a preformed coil tube, having an ovoid cross-section. The method further comprises exerting tension force...
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WO/2016/155366A1 |
Disclosed is a method for pressing a channel section with a bending angle being smaller than or equal to 90 degrees, wherein an upper male die and a lower female die are used for processing; the male die comprises an expansion sleeve (th...
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WO/2016/157115A1 |
An apparatus (10, 110) for improving the quality of tube bending; adapted to be used in bending machines and comprises a substantially longitudinally extended mandrel ( 11, 111), adapted to be inserted into a tube (12) to be bent and hav...
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WO/2016/119540A1 |
A device for pressing a channel section having a bending angle less than or equal to 90 degrees comprises an upper die assembly (2) and a lower die assembly (3) disposed coaxially. The upper die assembly (2) comprises an expansion sleeve...
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WO/2016/116198A1 |
The invention relates to a method for forming a tubular body (1), comprising the steps: providing a tubular body (1) with a first (2) and a second (4) tube end, filling the tubular body (1) with a liquid, sealing the tubular body (1), an...
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WO/2016/103964A1 |
A bending mould (100) is provided with: a gripping member (10) having, provided to the outer circumferential surface, a first groove (11) having a semicircular cross section, said gripping member being provided with a fitting recess (12)...
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WO/2015/132300A1 |
A method is presented and described for individualized adaptation of the shape of components (7) comprising the following steps: a) provision of a raw material (1) for producing the components (7), b) selection of at least one unifying p...
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WO/2015/024644A1 |
The invention relates to a shaping mould for shaping a hollow profile, in particular a pipe, from a longitudinal profile, such as an un-shaped metal plate or sheet, by means of a pressure jacket, wherein the shaping mould has a pressure ...
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WO/2014/140794A1 |
A method and apparatus for bending a pipe to mitigate internal wrinkling, with particular benefit when bending a lined pipe upon spooling. Bending is performed continuously by advancing the pipe (10) through a bending zone (24) while an ...
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WO/2014/135829A1 |
Apparatus (120) for making an adaptor (2) which is used in heating and ventilation systems and which is used to connect ducting which is of a square cross sectional shape to ducting which is of a circular cross sectional shape, which app...
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WO/2014/108589A1 |
The invention relates to a device (100, 101, 102, 103) for improving the bending of tubes (3, 13, 16), comprising: a plurality of interconnected hydraulic modules (6); and a plurality of pairs of contact elements (7, 7') connected to sai...
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WO/2014/088801A1 |
A system and method for bending a surgical rod using an automated bending system includes receiving an indication of a plurality of line segments defined on the rod and an indication of an angle measurement to be formed between at least ...
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WO/2014/054527A1 |
Provided is a plate forming method and plate forming device capable of processing a plate with high precision when forming a plate by local heating. This plate forming method is characterized by comprising: a compression step (S3) of ben...
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WO/2013/189582A1 |
The invention relates to a device for bending pipes (100), in particular coated pipes, preferably insulated pipes and/or pipes which are coated with PU foam/PU hard foam, for pipes having a base body (11) which can be positioned in the p...
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WO/2013/181920A1 |
Disclosed is a tube-propelling apparatus for a tube bending machine. The apparatus comprises a main tube-propelling base (1) mounted on a slide rail mechanism (3) of a tube bending machine tool (2), wherein a penetrating hole (11) though...
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WO/2012/129345A1 |
In a crossbow-style tube bender, a curved bending mandrel having a channel into which the tube in bent to form the bent tubing length has at least one relief surface forming a localized recess or depression in the surface of the channel....
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WO/2012/120989A1 |
Provided are a method for forming sheet material, a sheet material forming apparatus, a method for determining forming conditions for the sheet material forming apparatus, and a device for determining forming conditions for the sheet mat...
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WO/2012/096392A1 |
A bending tool includes a fine uneven portion with fine asperities having a maximum surface roughness of 3 m or more and 25 m or less on at least part of a portion that is in contact with a titanium member, and a fluorine resin film form...
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WO/2011/160224A1 |
The invention relates to a pallet made up of plural hollow sections of generally rectangular transverse profile formed from metal tubes, the sections having upper walls facing in the same direction and being secured together in side-by-s...
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WO/2011/153634A2 |
A system for forming bends in a portion of a tubular work piece includes a roller assembly having a plurality of rollers. The work piece is supported such that the portion thereof is aligned with the rollers along an axial direction, and...
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WO/2011/139742A1 |
A pipe bending machine has a beam mounted in see-saw pivotal relation on a fulcrum and spaced apart cradles support the pipe. An actuator initially drives the second cradle and the beam apart to pivot the pipe about the first cradle unti...
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WO/2011/061599A1 |
Machine to bend tubular elements (1 1) comprising bending means (12) provided with a bending arm (17) and a bend core (16) disposed, when in use, inside said tubular element (11). The bend core (16) comprises a support bar (19), a contra...
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WO/2011/049432A1 |
A method and a device for producing a bent pipe comprising at least one desired curvature, wherein a substantially straight pipe is divided into a number of segments and zones present between two successive segments. Each segment is prov...
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WO/2010/105341A1 |
A method of manufacturing a hollow structural frame rail includes rotating a tube relative to a tool to reduce an outside diameter of the tube at predetermined positions along the length of the tube. An elastomeric insert is positioned w...
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WO/2010/050059A1 |
This bent member manufacturing method uses a core at the time of bending a hollow section and can set an applicable bending radius or bending center axis over a wide range. A core (41) is inserted into the hollow portion of a hollow sect...
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WO/2010/025883A2 |
The invention relates to a method and a device for bending pipes (3) over a mandrel (6), in particular pipes having thin walls, on a rotary draw bending tool (1), which comprises a bending template (2), a slide rail (4) which is arranged...
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WO/2010/017336A2 |
An improved bending apparatus for bending a radiused corner at a window in a brazed heat exchanger core where no tubes and fins are located. A cylindrical mandrel and sliding pressure die are designed to completely surround the manifold ...
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WO/2009/135796A1 |
The invention relates to a supporting core (1) for using in a device for shaping plates to form a structured hollow profiled element comprising a plurality of interconnected supporting members (2), and to a method for producing structure...
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