Abstract: A universal printed circuit pattern of conductors for use in connection with diaphragm-type push button electrical switch panels which allows the printed circuit board to be physically sheared along plural axes to accommodate switch panels of varying sizes without destroying electrical continuity of the ground or common conductor thereon.

Abstract: A composite board structure including a corrugated fiberboard having a liner having an uncovered outer face formed with at least one length of trough-shaped depression which is adapted to have a wire harness disposed therein. The board structure is useful not only as an interior trim for the roof panel of the body structure of an automotive vehicle but as a mount for the wire harnesses connected to some electrical appliances of the vehicle.

Abstract: Disclosed is a crossover structure and method of fabricating such crossovers in microelectronic circuits. The invention utilizes as a separator between the crossover beam and the conductor on the substrate a mixture of at least 50 percent by weight of fine grain SiO.sub.2 and an organic dielectric. For high temperature curing, this dielectric can be a silicone resin. For metallization systems which are sensitive to high temperatures, the dielectric can be a low temperature or ultra-violet curing organic material, such as an epoxy. The crossover processing is simplified by fabricating the beam crossover in direct contact with the insulating layer.

Abstract: A cable comprising a disc insulated coaxial structure in which said discs are designed with notches in which are located optical fibres extending parallel with the inner conductor of the coaxial structure. An insulating keeper wire is forced into the notch to prevent the free fibres escaping therefrom. One or several fibres are contained within each notch.

Abstract: The cooperating contacts of a reed switch each comprise a layer of palladium. A protective layer of ruthenium deposited on the palladium layer prevents the formation of frictional polymers.

Abstract: A modular pushbutton keyset assembly includes a housing, a circuit board, a flat element and a pushbutton keyset held together by a clip. The circuit board includes a pair of contacts for each of the plurality of pushbutton keys. The flat element includes a plurality of resilient popples which have raised portions disposed to support corresponding ones of the plurality of pushbutton keys. The underside of each of the resilient popples is conductive, and when a pushbutton is depressed, the respective conductive underside contacts the corresponding electrical contact pair, thereby providing continuity therebetween.

Abstract: An electromagnetic interference (EMI) shielding device for use in supporting members that receive enclosure covers of electrical or electronic instruments. The EMI device comprises a strip of metal having first spring means including first contact means which contain the device in position in a groove in the supporting member and provide electrical contact therewith and second spring means against which an edge of an enclosure member disposed in the groove engages thereby providing electrical contact therewith and securely maintaining the enclosure member in position.

Abstract: An electrical circuit component includes an apertured substrate having a circuit deposited on a surface and further includes a terminal lead seated in the aperture and having laterally extending flanged portions in clamping relationship at opposite sides of the substrate. The inserted portion of the terminal lead is provided with peripheral knurling to define collapsible ridges. The ridges engage the surface of the aperture as a temporary means of aligning the axes of the terminal lead and the aperture prior to upsetting a protruding end portion of the lead for permanent clamping retention of the substrate and the deposited circuitry.

Abstract: An electrical circuit component includes an apertured, relatively flat substrate having a circuit deposited on a surface and with a terminal lead member lying along one of the opposed surfaces of the substrate with the inboard end of the lead having a supporting body portion and an integral portion offset with respect to the body portion. The lead includes a plurality of integral laterally extending projections, at least one of which projects from the body portion and the other of which projects from the offset portion of the lead member. The lead projections are inserted in respective apertures and are upset at their distal end portions to provide clamping retention and electrical continuity between the lead body portion and the substrate with its deposited circuitry.

Abstract: A torch for welding, cutting or heating comprises a torch head having at least one outlet nozzle, a torch housing spaced from the torch head, connecting means connecting the torch head with the torch housing and provided with passages therethrough to be flown through by a cooling medium, and elongated hermetically sealed heat-transmitting means extending through the connecting means for automatically transporting heat from a heat receiving zone adjacent the torch head to a heat releasing zone adjacent the torch housing for cooling the torch head, in which the heat releasing zone is cooled by the cooling medium passing through the aforementioned passages.

Abstract: A plastic jacketed cable; having a corrugated metallic shield which encloses a core comprising a plurality of insulated conductors, for use in underground ducts exposed to elevated temperatures includes an inner jacket which is capable of providing and maintaining adequate strength properties notwithstanding imprinting thereof by the corrugations of the shield contiguous thereto, and an outer jacket superimposed over the inner jacket and suitable for resisting degradation while being exposed to the elevated temperatures for sustained periods of time.

Abstract: An arc welding torch terminates in a gas cup open at one end through which an electrode projects. Inert gas is introduced under pressure at the other end of the gas cup and flows past and through a gas diffuser disposed in said gas cup. The diffuser is spaced from the inner wall of the gas cup, and a portion of the gas flows axially parallel to the central axis of the gas cup. The diffuser has a set of passageways to form and direct columns of gas in an outward direction, and another set of passageways to form and direct columns of gas in an inward direction. The diffuser is axially and angularly adjustable to vary the pattern of gas discharge with relation to the arc and to control the contour of the weld bead.BACKGROUND OF THE INVENTIONThe present invention relates to inert-gas arc welding, and more particularly, to a method and apparatus for applying a shielding gas in the welding operation.

Abstract: The invention relates to a method of joining at least two layers of material one of which is made of weldable material. At least one of the layers of material has an opening therein for receiving a ball of weldable material so that the ball rests in contact with the layer of weldable material. The diameter of the hole is in the range of 94% to 96% the diameter of the ball. The diameter of the ball is in the range of 2T to 5T where T is the thickness of the layer of material having the opening therein. Heat and pressure are applied in sufficient amounts and for a sufficient time to weld the ball to the layer of weldable material. The ball is deformed so that it overlaps the other layer in part so as to attach the two layers.

Abstract: An electric coffeemaker with a plastic housing and a bottom cover wherein a partition is formed with the housing for enclosing an electrical cord strain relief knot, and two fingers are integrally formed with the bottom cover for uniquely cooperating with a side wall of the housing and the strain relief knot. In the event of any strain on the cord tending to pull it out of the housing, the knot will abut the two fingers to distribute the force between both the housing and the two fingers of the bottom cover.