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Patent Searching and Data


Matches 401 - 450 out of 5,962

Document Document Title
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...  
WO/1992/005890A1
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. There is t...  
WO/1992/005911A1
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, during the production of a recess in the su...  
WO/1991/006393A1
A protection device comprising, coaxial to electron beam gun (2) in vacuum chamber (1), a diffuser (3) with its inlet opening facing the flow of the evaporated material, and a beam guide (7) whose outlet end is located inside the diffuse...  
WO/1990/014921A1
A relief on the surface of an article is obtained, according to the proposed method, by local melting of the surface layer of a translationally moving and rotating article (4), with a concentrated energy beam, for example an electron bea...  
WO/1990/014684A1
A method of preparation of microprofiled substrates comprises removing an array of atoms by bombardment with a narrow beam of electrons.  
WO/1990/010801A1
A flexible elastic coupling component is proposed consisting of two diaphragm discs interconnected at their outer radial peripheral region and at least on connector welded to the inner radial periphery of one of these diaphragm discs. Th...  
WO/1989/009673A1
An optical system for use in an electron beam welding machine for viewing workpieces mounted within a vacuum chamber from a position outside the chamber, either before or during the welding operation. The optical system includes an autom...  
WO/1989/005206A1
Installations of this type generally comprise an electron-beam generator connected to a chamber for receiving the workpieces to be welded in which a vacuum can be created by a vacuum pump. According to the invention, the vacuum chamber c...  
WO/1989/003938A1
A pump (10) has a housing (11) formed with a chamber (29), a spindle (12) extending through the chamber and mounted for rotation in bearings, and an impeller (14) mounted on the spindle for rotation therewith. The impeller consists of tw...  
WO/1988/001551A1
A method and apparatus for correcting the undeflected resting postion of an electron beam (36) which has been displaced from its previous resting position because of physical or positional changes in elements of the electron gun (32) whi...  
WO/1986/007553A1
The fabrication method enables to obtain metal envelopes intended to contain products enabling to elaborate gas purifiers. The method involves a preparation of particular machinings of the extremities of the metal envelope (1) and weldin...  
WO/1986/004282A1
A pressure-tight vacuum chamber in an electron beam engraving machine for receiving the printing rolls which are to be engraved, comprising a machine bed lower portion, a pressure-tight vacuum hood placed over the lower part, which is sh...  
WO/1986/001759A1
It has been difficult to cut amorphous alloys without forming a burr or detracting from the magnetic properties of the alloys. These problems may be overcome by placing an amorphous article in the path of a heating source which may be ap...  
WO/1985/000988A1
A filter leaf (19) includes a continuous, elongated closure member (20), a first screen (32) welded around its entire periphery to one side of the member, and a second screen (32) welded around its entire periphery to the other side of t...  

Matches 401 - 450 out of 5,962