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WO/2023/117135A1 |
The present invention relates to a method for manufacturing a die (20; 21) for press forming plate material (10) between an upper die (20) and a lower die (21) of a pressforming die pair (20, 21). The die (20; 21) is provided with a work...
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WO/2023/121042A1 |
The present invention provides a method for manufacturing molded parts, the method being characterized by comprising: a first molding step for molding a base material to form a first molded part including a first upper flange and a pair ...
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WO/2023/110152A1 |
The present invention relates to a die pair (20, 21) consisting of an upper die (20) or punch and a lower or counter die (21) for press forming plate material (10) between such upper and lower dies (20, 21), whereof at least one die (20;...
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WO/2023/104239A1 |
The invention relates to a method for embossing a channel structure (3) comprising a plurality of parallel channel portions (5) in a planar metal sheet (11) to form a half-plate (2, 2'), in particular for a bipolar plate (1) of an electr...
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WO/2023/069532A1 |
The present disclosure relates to forming a metallic part to decrease residual stress and reduce springback behavior in the metallic part after forming. Target locations in the metallic part for excess material are determined based on el...
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WO/2023/031147A1 |
The present invention relates to a method and to an apparatus (11) for shaping foils (1) into three-dimensionally structured flat components (2), in particular into thin structured sheet metal components such as bipolar plates for fuel c...
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WO/2022/255875A1 |
A device comprises at least two shaping cylinders each comprising a multitude of protrusions radially extending outward from the cylinder. The device further comprises a first drive unit for driving unit for driving at least one of the f...
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WO/2022/112386A1 |
The invention relates to a forming tool for producing a trapezoidal profile in a metal film (3) having a predefined thickness, in which trapezoidal profile side walls (S) running obliquely to each other connect mutually parallel floors (...
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WO/2022/033619A1 |
The invention relates to a heat exchanger (1) and to the use of sheet metal to produce perforated fins (2) for a heat exchanger (1), wherein a stack of fins (2) has prefabricated openings (5) for receiving tubes (6). The fins (2), which ...
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WO/2021/197549A1 |
The invention relates to a spacer structure for a sandwich construction, formed from a material web (3) which is provided with a plurality of cuts (1) and which has a material web plane as a first plane (7), wherein, by forming the mater...
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WO/2021/167551A1 |
The invention is the construction related to parts such as double curved propeller (wing), rudder and bulb used especially in shipbuilding sector, aircraft industry and other similar structures, characterized in that; in order to obtain ...
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WO/2021/156359A1 |
The invention relates to a bending system for forming transverse corrugations in a metal sheet; the bending system (9) comprising: - a drive device (11) advancing the metal sheet (1); and - a bending device (12) comprising: - a frame (13...
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WO/2021/095538A1 |
This heat exchanger is provided with: a plurality of flat heat transfer pipes which have respective flat cross-sectional shapes, are arranged so that the planar outer surfaces oppose each other, and serve as respective flow paths for a f...
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WO/2021/060767A1 |
A wheel disc, according to one aspect of the present invention, having a bolt hole for bolt fastening is divided into a first region, which extends in the circumferential direction of the bolt hole so as to have a preset width, and a sec...
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WO/2021/033932A1 |
Equipment for manufacturing a separator for a fuel cell according to the present invention comprises: a press which receives a conveyed first metal strip and second metal strip that are unwound from a first uncoiler and a second uncoiler...
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WO/2021/015390A1 |
The present invention relates to a louver fin forming method capable of easily cutting a portion of a louver fin without damaging a louver, and a heat exchanger including the louver fins manufactured using same. The louver fin forming me...
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WO/2020/221565A1 |
The invention relates to a bending system (1) for forming a corrugation (17) in a workpiece (2) having a preformed bending line (13), the bending system (1) comprising: - a top frame (26) and a bottom frame (25); - at least one punch (31...
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WO/2020/206493A1 |
A method of bending a contoured metal sheet, the contoured metal sheet having a longitudinal axis extending along the length of the contoured metal sheet comprising: securing a first sheet section of the contoured metal sheet in a securi...
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WO/2020/201033A1 |
The invention concerns a method for manufacturing a structural surface heat exchanger of preset or left-hand final shape (10) for an aircraft, comprising the steps of forming (E1), shaping (E2; E3) and assembling (E4), by welding or braz...
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WO/2020/102235A1 |
Systems and methods here may include a modular battery pack including a housing, and within the housing: individual battery cells arranged in rows, a circuit board at one end of the housing configured to manage a thermal condition of the...
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WO/2020/096828A1 |
A heat recovery wheel for a heat exchanger includes a wheel rim defining an outer perimeter of the heat recovery wheel, and a plurality of wheel passages located between the wheel rim and the wheel axis, the plurality of wheel passages a...
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WO/2020/094486A1 |
The present relates to a method for manufacturing a component (10) having a three-dimensionally structured surface from a semi-finished product (1), to a semi-finished product (1) required therefor, and to a component (10) manufactured i...
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WO/2020/084819A1 |
A metal roofing material according to the present invention is adapted to be disposed on a roofing base such that the width direction thereof extends in the eaves direction of a roof and the depth direction thereof extends in the ridge-e...
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WO/2020/084820A1 |
An embossed metal plate according to the present invention includes a metal plate body 2 and a plurality of projecting portions 3 formed on the metal plate body 2 and extending linearly so as to be parallel to one another, wherein the pl...
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WO/2020/080097A1 |
A fin (6) formed by bending a metal sheet into a wave shape, wherein, first flat parts (20, 21) parallel to the width direction are respectively formed at one end and the other end of a bent part (10) in the width direction, the width di...
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WO/2020/002466A1 |
The invention relates to a method for connecting two sheet metal end sections (102, 104) arranged one atop the other. The method comprises: providing a double sheet metal element (100) comprising the two sheet metal end sections (102, 10...
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WO/2019/179307A1 |
An on-line roll press hot forming process for a hot sheet/strip, which is used for the hot-bending forming of a hot steel sheet or strip steel, wherein a steel sheet or strip steel (1) that has incoming material that is hot is subjected ...
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WO/2019/180087A1 |
The invention relates to a pipe element for a gas pressure vessel of an airbag system of a motor vehicle, the pipe element (10) having at least one first length portion (100, 101) and at least one recess (11) extending in the circumferen...
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WO/2019/162582A1 |
The present invention relates to a structural part (1) for a vehicle, which comprises a first portion (11) which forms a strip, said strip (11) being adapted to receive weld spots (12) in order to conjoin said structural part (1) to anot...
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WO/2019/117025A1 |
This method for manufacturing a flow channel plate is provided with: a hole formation step in which two or more holes are formed in a band-shaped first substrate (40) in a direction orthogonal to the width direction of the first substrat...
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WO/2019/086303A1 |
The invention relates to a gas distributor plate (2) for gas distribution and flow guidance at least in electrolysers or fuel cells, comprising a structure arranged on a contact surface of the gas distributor plate (2), for gas distribut...
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WO/2018/197423A1 |
The present invention relates to a metallic honeycomb body (1) with channels (4) through which a gas can flow, made up of layers of at least partially structured sheet metal (2), wherein the layers of sheet metal (2) have at least in sub...
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WO/2018/135152A1 |
This undulating fin (100) comprises: crests (110) formed extending in a first direction; troughs (120) formed extending in the first direction; and sloped sides (130) connecting adjacent crests and troughs. The crests and the troughs are...
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WO/2018/115656A1 |
The invention relates to a bending machine for forming an undulation in a metal sheet (1), the bending machine comprising: – a first punch (11) having a head (14) that has a V-shaped cross section and that comprises at least one first ...
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WO/2018/074782A1 |
A metal catalyst support of the present invention comprises: a case having a space through which exhaust gas passes; and flat plates and corrugated plates which are alternately stacked in the case and coated with a catalyst, wherein the ...
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WO/2018/065685A1 |
The invention relates to a bending machine (9) for forming a corrugation (2) in a metal sheet (1) intended for the construction of a sealed membrane of a fluid storage vat, the bending machine (9) including: a lower frame (11); a lower m...
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WO/2018/058183A1 |
A method of bending a contoured metal sheet about a selected fold line. The contoured metal sheet has a longitudinal axis extending along the length of the sheet, and a contoured profile that extends perpendicular to the longitudinal axi...
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WO/2018/035895A1 |
A method for manufacturing a fin and flat tube assembly used in a heat exchanger, comprising following steps: step 1: taking a metal substrate (10) and straightening same, and rolling the middle part of the metal substrate (10) to form p...
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WO/2018/012406A1 |
Provided is a method for manufacturing a press product with which moldability can easily be improved. The present invention is a method for manufacturing a press product for forming plate material (10) into a final component shape (12) b...
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WO/2017/191017A1 |
A circular screen according to the invention comprises a substantially cylindrical and/or truncated cone-shaped main part which is made of a sheet metal strip wound into a plurality of sheet metal strip coils (4). The sheet metal strip d...
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WO/2017/085435A1 |
The invention relates to a forming device for forming a bend in a corrugation. The forming device comprises: a bottom frame (4) having a planar mounting surface (6) for receiving a sheet metal plate having a corrugation projecting in rel...
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WO/2017/077214A1 |
The invention relates to a machine (9) for bending a metal sheet (1) having a first, preformed corrugation (3) so as to form a second corrugation (2) perpendicular to the first, preformed corrugation (3), the bending machine (9) comprisi...
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WO/2017/056759A1 |
Provided is a separator production method allowing a separator of excellent quality to be produced accurately. In this production method for the separator 10, a metal thin-plate material 12 being transported is subjected to a stepwise fo...
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WO/2017/022301A1 |
Rows of protrusions (2) and rows of recesses (3) are formed alternately as a continuum in a direction (Y-direction) orthogonal to the direction (X-direction) in which said rows extend, thereby forming a corrugated cross-sectional shape h...
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WO2017009254A1 |
The invention relates to a method for producing a corrugated fin element for a heating register or for another heating device, through which corrugated fin element a flow can pass, to a corrugated fin element produced according to such a...
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WO/2016/204328A1 |
The present invention relates to a thin heat pipe and a method for manufacturing same. The thin heat pipe of the present invention comprises a thin housing (3) having a hollow space (S) therein and formed through a first formation step f...
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WO/2016/181509A1 |
This corrugated fin-type heat exchanger comprises: a first flat tube and a second flat tube that are arranged parallel to one another; and corrugated fins arranged between the first flat tube and the second flat tube. The corrugated fins...
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WO/2016/166411A1 |
The present invention relates to a method and a device for manufacturing plate part blanks for a heat exchanger. A sheet material (2) in the form of continuous sheeting is5 worked between two rolls (5, 6) with opposite surface patterns (...
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WO/2016/082076A1 |
A pressing device for powder metallurgy, comprising a machine body (2) and a machine frame (1), the machine body being provided with an electric motor (18), a crankshaft (11), a connecting rod (14), a sliding block (3), and a guide rail ...
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WO/2016/034906A1 |
An elongate profile (1) having a first portion (2) and a second portion (3), the first and second portions (2, 3) being joined together at a first joining portion (JP1), the first and second portions (2, 3) being non collinear, the joini...
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