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Matches 351 - 400 out of 5,834

Document Document Title
WO/1999/067041A1
The invention refers to a method of joining at least four heat transfer plates (2) to a plate package for a plate heat exchanger. Each heat transfer plate (2) comprises an outer edge portion (10) extending around the heat transfer plate ...  
WO/1999/058287A1
A method for joining a cast part (1) and a case-hardened steel part (2) by means of welding. The inventive method consists in removing a large part of the surfaces that are to be welded (3, 7) from the parts (1, 2) that are otherwise fin...  
WO/1999/052328A1
An oven (10) for cooking a food product (12), at least partially by hot gas flow and at least partially by microwave energy, includes a housing (14) defining a cooking chamber (16) for receiving a food product for cooking, and a conduit ...  
WO/1999/042697A1
A method and apparatus are provided for use in fabricating rotary cone drill bits from multiple drill bit segments. Each drill bit segment (40) preferably includes a first portion (50) with mating surfaces (61, 62) designed to be aligned...  
WO/1999/034027A1
A welding technique whereby the passivation of chromiun oxide is conducted simultaneously with welding to realize treatment in a short time and in its turn to improve the productivity. Specifically, a technique for welding a weld materia...  
WO/1999/028618A1
A fuel injection device for internal combustion engines comprises a fuel injection pump (5) which can be placed in the housing of the internal combustion engine and is axially clamped by a clamping sleeve (9) with a fuel injection valve ...  
WO/1999/001249A1
The invention concerns a method for welding coated sheets with a laser beam, characterised in that it consists in providing an energy beam (1) directed on the welding zone of the sheets (2, 3) and adapted to drive the coating steam vapou...  
WO1998029267A3  
WO/1998/029267A2
An improved vehicle wheel and method for producing the same, the vehicle wheel including a rim including at least an inboard portion, generally axially extending well, and an outboard portion, and a disc including at least an inner annul...  
WO/1998/022249A1
The present invention pertains to a process of interlocking two parts in positive material fit, comprising the following steps: manufacturing of the first part with a first surface intended for the positive material interlocking; manufac...  
WO/1998/022633A1
The present invention pertains to a high-temperature aluminium material intended for use in the production of internal combustion engine pistons and obtained by mechanically alloying aluminium powders and one or more aluminium alloy addi...  
WO/1998/017435A1
A welding method for improving the durability and strength of fusion weld joints in metal structures; the method is especially beneficial for metal structures fabricated from nickel-titanium alloy (nitinol) and for medical devices.  
WO/1998/010884A1
The invention concerns a method for beam welding of hardenable steels using a short-time heat treatment. The invention is specially useful in the automobile and engineering industries. At first a short-time heat treatment as single defin...  
WO/1997/050102A1
A switching contact system (11) for a low voltage power switch (1) has a bus bar (26) to which are secured cable-shaped flexible conductors (25). The flexible conductors (25) are mounted between a connection surface (30) of the bus bar (...  
WO/1997/045228A1
The track section (10) consists of two part-tracks (12, 14, 16) formed of various materials welded together using an intermediate element (18, 20), in particular a switch piece, such as a common crossing, with connecting rails manufactur...  
WO/1997/041980A1
The invention relates to an arrangement for producing expanded material (8), in particular sheet-like metal webs (2). Said arrangement has cutting means (3) for producing contiguous strips from sheet webs (5), and means (6, 7) for expand...  
WO/1997/028401A1
A composite overwrapped pressure vessel (COPV) is manufactured by combining a thin liner (20) made of a metal having a high modulus of elasticity and high ductility, a high-performance composite overwrap (50) and a high-performance film ...  
WO/1997/007351A1
An annular seal assembly comprises a stretchable annular seal member (32); and an actuating assembly (25, 27) to which the seal member is mounted, the actuating assembly being adapted to move the seal member between a sealing position an...  
WO/1997/000973A1
A metallurgical or chemical oxygen nozzle including an oxygen lance head (1) for pointing at a metallurgical melt. The nozzle comprises a front surface (40) and an assembly of at least two substantially concentric tubes (20, 30), said fr...  
WO/1996/033837A1
The description relates to a process for preparing the surface of a workpiece (1) with a metal substrate material in which recesses (3) of a predetermined geometrical shape are made in the surface by means of a laser or electron beam.  
WO/1996/033041A1
A welding method uses a high energy density radiation beam such as an electron beam or preferably a substantially continuous wave laser beam (48) to weld a pair of sheets (40, 42) using an oblong focused beam spot (50). The radiation bea...  
WO/1996/032219A1
A method of butt welding a pair of sheets (30, 32) minimizing or eliminating edge preparation of filler metal. Sheet edges (34, 36) are abutted with a surface mismatch (48) so that a portion (88) of the edge of the mismatched sheet (32) ...  
WO/1996/030160A1
A continuous butt-welding process and device for metal sheets, useful in particular for building car bodies in the car industry by beam welding, allow metal sheets laid on conveyor paths to be precisely joined and welded without the need...  
WO/1996/030678A1
A seal assembly is provided intended to locate sealing means (13, 14) between a housing (10, 11) and another member (15) which may be fixed or rotating. A housing for the sealing member is formed of two parts (10, 11) between which the s...  
WO/1996/026807A1
A method of lap welding for producing a welded lap joint (110) having good integrity, high peel strength, high tensile strength, high fatigue resistance, where the overlapped sheets (30, 32) are fused together across their region of over...  
WO/1996/024107A1
An ultrahigh vacuum focused ion beam micromilling apparatus and process are disclosed which can achieve high aspect ratios in a chemical-assist free environment. An ultrahigh vacuum chamber (10) includes a number of ports for viewing to ...  
WO/1996/022841A1
The present invention is for a high-speed, commercial-scale means for deposition of films and coatings on a substrate. The PIBAD (pulsed ion beam assisted deposition) processes [Fig. 4] allow notonly deposition, but also special modes of...  
WO/1996/022854A1
Two components (42, 44) are bonded together by placing a layer of braze filler metal between and in contact with the faying surfaces, and then directing a high energy beam (46) through one of the components, through the faying surfaces a...  
WO/1996/007954A1
A method is disclosed for the manufacture of microstructures and devices. The method is relatively easy to implement, and has the capability to produce features having a resolution of ten microns or smaller with a high aspect ratio (60, ...  
WO/1995/009519A1
An oven (10) for cooking by hot air impingement includes a housing (14) defining a cooking chamber (16) adapted to receive a food product (12) for cooking, a hot air plenum (18) configured and dimensioned to hold a volume of air and a co...  
WO/1995/007775A1
Method of producing metal sheets or strips by cold reduction rolling of a metal sheet or strip with at least one pair of work rolls, at least one of which being a textured work roll in order to transfer the surface pattern of the texture...  
WO/1995/007774A1
Method of producing metal sheets or strips by tandem rolling a metal sheet or strip with at least one pair of work rolls, at least one of which being a textured work roll in order to transfer the surface pattern of the textured work roll...  
WO/1995/005918A1
A process is disclosed for soldering a car body supporting frame. Columns A, B and C, and the roof supporting longitudinal beam are soldered together by means of butt joints. The joints are soldered by means of an electron-beam welding m...  
WO/1995/004315A1
A method of defining a cutting route along which a sheet is cut into a plurality of members according to a composite figure which is made by combining the figures of the members and shows the blank layout for cutting the sheet. In the co...  
WO/1995/003556A1
To produce a detector for gamma (gamma) spectroscopy operating under ultra-high vacuum (UHV) inside an enclosure, the enclosure cover is electron-beam welded in vacuo to the enclosure body (1) after the detector (4) has been inserted the...  
WO/1994/023883A1
A method for welding metal parts together under stable and reproducible welding conditions, wherein inert gas flows are passed through a welding head and between the parts to be welded, in the region of the welding point and from the sid...  
WO/1994/014568A1
On each of the parts (2, 3) to be assembled, at least one chamfer (10, 11) inclined with respect to the faces of the part is made along one of its edges. The chamfer (10, 11) may be made during the cutting of the part (2, 3) from sheet m...  
WO/1994/008750A1
Method and apparatus for welding a plurality of parallel continuous seams (34) on bellows (10) which comprise the steps of defining a welding station (100, 200) including a laser beam (501) or electron beam (700) welding source and a wor...  
WO/1994/006596A1
The invention concerns a method and device for modifying the local grain structure at the surface of a material in the solid or liquid phase. The surface in the zone being worked is heated to a given temperature by high-energy radiation....  
WO/1994/006943A1
A process is disclosed for changing the local microstructure at the surface of the head of a metallic rail in the solid phase. The microstructure is changed by applying energy only within a limited local marginal layer located directly b...  
WO/1993/020382A1
Known metal pipes with inner and/or outer linings have the disadvantage that the fit between supporting pipe (1, 2, 3, 8, 9, 10, 20) and inner pipe (5, 14, 15, 21) or outer pipe (16), as well as the sealing of the individual pipes, which...  
WO/1993/013907A1
A method of manufacturing an extruder barrel is disclosed which fabricates a barrel in two longitudinal sections (22) and joins the sections together by electron beam welding. In a preferred form, the barrel sections (44, 46), are formed...  
WO/1993/010934A1
A ram (10) that is utilized in high speed apparatus for forming elongated one piece metal can bodies from shallow cups is constructed as a weldment in which there is an elongated relatively thin-walled tube (11), a tail piece (13) metall...  
WO/1993/009905A1
A welder wherein metal fume is prevented from adhering to the vicinity of the surface of the weld, the flatness of the surface of the weld is improved and the deposition of the chrome carbide can be decreased. The welder is adapted for f...  
WO/1992/016787A1
A double-walled pressure vessel comprises a thin-walled inner vessel (5, 6, 7, 8) made of a dense, corrosion-resistant material, in particular special steel, and a pressure-tight outer vessel (1) which has a shell (11), a transition part...  
WO/1992/010327A1
In the process for operating a device which produces recesses on a roller using an electron beam, the electron beam is focused to alter its concentration. At least one region of a casing around the propagation path of the electron beam a...  
WO/1992/010329A1
The device disclosed comprises a support belt (3) for vanes (7), vane-drive belts (6) located beside the support belt (3), a vane-feed device and a beam (laser or electron) welding device (11) which welds, from the inside, vanes (7) on t...  
WO/1992/005910A1
The invention concerns a process for the surface treatment of a texturing roller, an electron beam being used to produce a figured surface on the roller. In this process, before the roller is exposed for a certain period of time to an el...  
WO/1992/005909A1
The invention concerns a process for the surface treatment of a texturing roller, an electron beam being used to produce a figured surface on the roller. In this process, the roller is exposed for a certain period of time to an electron ...  
WO/1992/005891A1
The surface structure is generated on a roller (2) designed for application to a material. The roller (2) has recesses (22) produced by an electron beam (3) and consisting of depressions and crater walls (62) surrounding them. The recess...  

Matches 351 - 400 out of 5,834