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Patent Searching and Data


Matches 551 - 600 out of 10,735

Document Document Title
WO/1993/010544A1
An electrical appliance has a stamped board imbedded in a plastic plate. The stamped tracks (1, 2, 3, 4) are mutually linked for ease of manipulation of the board before it is imbedded in the plastic plate. The tracks (1, 2, 3, 4) are in...  
WO/1993/008583A1
Especially in the case of contact layers made of a silver-metal oxide (AgMeO)-based material whose backside is provided with hard solder, it has been observed that the hard solder may indesirably ascend to the contact surfaces during har...  
WO/1993/006612A1
The description relates to a process for detecting mechanical parameters of an electric switching device exposed to environmental effects. To this end there is a measuring transmitter which detects the speed of a component (7) of the dri...  
WO/1993/003385A1
The proposal is for an acceleration sensor intended in particular to detect a motor vehicle collision. The sensor has a spring-mass system (1) with a stable initial position (4) and a stable deflection position (5). On acceleration in th...  
WO/1993/003490A1
A process is disclosed for producing solderable, double-layered contact plates whose contacting layer is made of a powder metallurgy material based on silver tin (IV) oxide and whose back is made of a material based on silver. Initially,...  
WO/1993/003511A1
Electric contact rivets having a stem and one or two heads are produced by upsetting wire sections in a forming tool. To form at least one of the heads, a section of a wrapped wire is used whose wrap is made of a more ductile metallic ma...  
WO/1992/022942A1
Proposed is a contact stud (10) for conducting high currents, in particular in starting relays, the contact plate (11) being made of a precious metal, in particular copper, and the stud and plate being joined tightly together at an obtus...  
WO/1992/022079A1
The material used for contacts in low-voltage switches, in particular, consists of silver and other active components. The invention calls for a combination of iron (Fe) present in a proportion between 1 and 50 % by wt. and rhenium (Re) ...  
WO/1992/022080A1
The material used for contacts in low-voltage switches, in particular, consists of silver and other active components. The invention calls for a combination of iron oxide (Fe�2?O�3?/Fe�3?O�4?) present in a proportion between 1 an...  
WO/1992/018995A1
Powder-metallurgically produced material or extruded semi-finished product for electric contacts of silver or a silver-based metal material with 0.5 to 10 wt. % carbon and 0 to 2 wt. % of an additional metal. The material contains powder...  
WO/1992/015107A1
The contact element (10) disclosed is made of round wire which is bent in the shape of a hairpin to give two parallel sides (11, 12), at least one of which acts as a weld-on terminal pin. The bent zone between the two sides is stamped fl...  
WO/1992/012524A1
A thermally-responsive electrical switch for use in domestic electrical appliances for switching off the electrical supply to the appliance in an over temperature situation is configured to be manufactured as an auto-reset switch, as a m...  
WO/1991/016720A1
This invention relates to a method of manufacturing a circuit breaker. Known methods suffer from the drawbacks of difficult preassembly of the breaker mechanism because it is held together by the housing and also because it is difficult ...  
WO/1991/012620A1
A method of fabricating an electrical contact formed at least in part of a precious metal (23, 23A) which defines a contact surface on the electrical contact. In this method, an initial discrete deformation of the precious metal (23, 23A...  
WO/1991/010248A1
A switch, such as a main control switch, safety switch, etc., comprises a multipart housing in which an electrical contact bridge support coupled with a ram is lodged. The ram is coupled with a driving element mounted in a driving head. ...  
WO/1991/009409A1
The process is used to make surface-coated components like contact members for vacuum switches in that a local area (15) of the surface of a metal substrate (1) is melted by means of an energy pulse (12) and an additive (8) is applied to...  
WO/1991/009410A1
Conductive pads (15, 17) are disposed in a housing (3) filled with a degassed, non-compressible, electrically insulating fluid. One of the pads (17) is mounted on the underside of a push-button (16), and the push-button is surrounded by ...  
WO/1991/007700A1
In the process, negative moulds of the microstructures are produced from plastics material on an electrically conducting substrate by electron-beam lithography, X-ray lithography or microforming techniques, and the cavities in the negati...  
WO/1991/006965A1
The invention concerns the establishment of an electrical connection for the supply of a switching current between one end (2) of a connector wire (1) and a contact piece (7) mounted on a contact support (3), contact being established th...  
WO/1991/006964A1
The relay of the invention has a mobile spring (2) with contact pieces (5, 6) located on each side of the free end (3) of the spring, the current to be switched being fed to the contact pieces (5, 6) through an electrical connection wire...  
WO/1991/004567A1
A vacuum switch contact conditioning process whereby switch contacts are conditioned before assembly in the switch. The contacts are mounted in a vacuum chamber and subjected to an electron beam or laser which is scanned over the contact...  
WO/1991/004164A1
An air-conditioning unit of pancake design for mounting on the roofs of motor vehicles, in particular omnibuses, is characterized by improved efficiency, minimal overall height, independence from the ventilation system of the motor vehic...  
WO/1991/003830A1
A metallic composite useful in electrical components comprises at least one base metal alloy constituent (20) metallurgically bonded to at least one noble metal alloy constituent (22). A process for producing the metallic composite alloy...  
WO/1990/015424A1
Purely powder-metallurgical or sinter impregnation processes are often used to manufacture CuCr contact materials. Here the aim is to obtain the lowest possible residual porosity, which should be < 1 %. According to the invention, a powd...  
WO/1990/015425A1
For the production of CuCr contact materials it is known to use purely powder-metallurgical, sinter impregnation and molten metallurgical processes. Only materials produced by molten metallurgical processes are suitable as contact materi...  
WO/1990/008496A1
The device is designed to support the mechanical and electrical elements of a toaster (1). The device consists of a plate (2) made of plastic material comprising projections or clamps (3, 4, 5, 6) moulded onto the plastic material and pr...  
WO/1990/005989A1
A method of constructing an encapsulated relay is described in which the relay includes an intensely magnetised actuator/armature formed from a chromium/cobalt/iron alloy after fabrication is assembled and encapsulated in a clean environ...  
WO/1990/005371A1
A cheaply constructed panel switch using a diaphragm which provides touch feeling when it is operated, the switch being used for the electronic devices. The switch does not use a spacer that had hitherto been used to determine the positi...  
WO/1990/000303A1
A welding set for welding together a single contact element, such as a stud or tape, and a support element comprises electrodes, mounted on rail-like conductive electrode supports, and an isolating and/or supplying device, arranged outsi...  
WO/1989/011726A1
An electromagnetic switching device comprises a housing containing a switch contact space and a connection contact space, and a driving space formed by a basic body in which the magnet and coil are lodged. The parts of the connection con...  
WO/1989/011725A1
A contact bolt (3) of steel or the like has a copper core (6) extending in a central bore for improving the electrical and thermal conductivity. The copper core (6) is brought into intimate contact with the bore of the steel bolt (3) by ...  
WO/1989/010417A1
A contact material contains silver and at least one metal, metal alloy or metallic compound having a higher melting point than silver. According to the invention, the material contains, in addition to silver (Ag), from 2 to 50 % of at le...  
WO/1989/009999A1
Spool body (101) carrying connecting elements (106, 107) for an electromagnetic relay. Said spool body, while being compact in size, is capable of being submitted to high demands regarding its mechanical resistance. At least one connecti...  
WO/1989/009478A1
A semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, has a microstructure in which regions containing little or no metallic oxide alternate with regions in which all or most of the m...  
WO/1989/007328A1
In a process of producing a keyboard switch, a continuous track (10) of a metal foil is machined into two metallic terminal components (13, 14) constituting links between two carrier strips (11, 12). A base housing component (22) is cast...  
WO/1988/010503A1
An electric switch comprises a plastic part embedded in a punched metal disc, one of the flat faces of the disc being free of plastic over a large area. To ensure that the individual tracks of said disc are firmly seated in said area as ...  
WO/1988/010505A1
An electrical component, in particular a minature relay having fixed and movable contacts, is made from a lead frame (10) formed with a plurality of conductive fingers and on which is moulded an insulating base (32). Some of the fingers ...  
WO/1988/010003A1
This invention relates to a method of production of a contact block for use in a relay or the like, and is intended to improve the accuracy and reliability of the contact block. This method comprises the steps of punching make contact st...  
WO/1988/009557A1
An electrical appliance, in particular an electric switch for motor vehicles, has a plastic element attached to a disk having conductive tracks mutually connected by narrow bridges even after punching. To permit manufacture of various em...  
WO/1988/009504A1
A reagent for classifying leukocytes, which enables classification and counting of leukocytes by lysing erythrocytes and acting on leukocytes and which contains at least one surfactant selected from the group consisting of (a) a first gr...  
WO1988003356A3  
WO/1988/003356A2
Method and apparatus (10) for forming power distribution systems or parts thereof during punching operations. A planar member (16) of conductive material is located proximate to a substrate (14) upon which the power distribution system o...  
WO/1988/000135A1
A device, e.g., an electrical or electromechanical assembly (62), comprising a housing (64) with a mechanism (66) disposed therein which is potted by a cured mass of self-leveling liquid composition. The composition comprises an actinic ...  
WO/1987/002823A1
Universal switch with integral contact tabs, where the fixing parts (9,10) and the insulating case (1,2) of the switch are interchangeable. This feature makes the switch universal.  
WO/1986/006871A1
Alloys comprising a matrix based on at least one conductor metal M, and formed of a homogenous dispersion in the matrix of stable coherent particles of one or a plurality of associations of ions of the M, M', O type wherein M represents ...  
WO/1985/003378A1
A method of manufacturing a transparent electrode substrate includes the steps of: forming on an insulating transparent substrate film (A) a high polymer layer (B) constituted by at least one of a polyurethane, a polyester and an epoxy r...  
WO/1985/002055A1
A blade fuse includes parallel blades (12 and 14) secured in a body (16). A fusible link (42) welded to the blades is located in a cavity (20) of the body that is covered by a window (61). The blade fuses are assembled by blanking the fu...  
WO/1985/001913A1
The plant comprises a first vacuum plate (10) with openings (14), on which a sheet (1) may be fixed in an exactly planar way by suction. A second plate (20) with a slightly arcuated surface (21) and turned towards the first plate (10) is...  
WO/1985/001148A1
An improvement in an electrode (5) of a vacuum breaker. The electrode is composed of a support electrode (52), an auxiliary support electrode (54) of Co brazed to the support electrode (52), and an electric contact portion (55) formed fr...  
WO/1984/000847A1
A membrane switch (10) includes first and second switch networks connected in parallel to effect a particular function. Spacer bridges (50, 52) are interposed in the first and second switch networks to preclude inadvertent engagement of ...  

Matches 551 - 600 out of 10,735