Abstract: An insulating shield plate (1) divides a room of an electrolysis bath (2) into an anode chamber (13) and a cathode chamber (14). An anode (5) is disposed in the anode chamber (13), and a cathode (6), metallic waste (7) and heater (4) are disposed in the cathode chamber (14). An electrolyte (3) stored in the electrolysis bath (2) flows in a circulation path from a circulating pump (10) through a circulating line (12) and filter (11) to return the electrolysis bath (2). An exhaust gas processing device 9 is connected to the electrolysis bath (2). When a voltage is supplied to the anode (5) and cathode (6), a surface of the metallic waste (7) is charged in a positive polarity to dissolve a base metal of the metallic waste (7). Further, a cylindrical anode (33) is arranged in an electrolyte (32) in an electrolysis bath (31), and a cylindrical metal (34) as a metallic waste is arranged in the cylindrical anode (33).

Abstract: A connector includes a first connector housing having a resiliently deflectable lock arm in an outer wall of the first connector housing and a second connector housing having a lock arm engaging with a locking piece fitted in the first connector housing. In the complete engaged state of the pair of connector housings, the lock arm engages with the locking piece so that the first and second connector housings are secured to each other. The connector further includes an engagement confirming member movably attached to the lock arm and an engagement retaining wall standing and positioned adjacently to the engagement confirming member. In the complete engagement of the pair of connector housings, the engagement confirming member is moved onto a top portion of the engagement retaining wall to prevent the lock arm from deflecting. The engagement confirming member is preferably attached movably in a substantially orthogonal direction to the engagement direction of the connector housings.

Abstract: There are provided a resilient engaging piece to the terminal metal part provided through the resilient displacement permissible space opposite to the terminal accommodating cavity formed at a connector body portion of the connector, and the insertion detecting body corresponding to the resilient displacement permissible space at the main frame portion of the insertion detecting member for terminal metal parts and a pair of manipulating pieces each at opposite sides thereof. The insertion detecting member for terminal metal parts is caused to move freely to enable the main frame portion thereof to come into contact with the inside wall surface of the hood portion. The pair of manipulating pieces are exposed at both sides of the housing body portion through the window of the hood portion at the provisional engaging position, and the insertion detecting body can be moved to enter into the resilient displacement permissible space at the formal engaging position.

Abstract: A blocking plug is reliably locked in position in an insertion hole in a waterproof stopper and prevented from slipping off. A rubber-made waterproof stopper is fitted in the rear of a waterproof connector housing with a plurality of terminal accommodating chambers formed therein, the waterproof stopper having insertion holes corresponding to the individual terminal accommodating chambers. A stopper cover of synthetic resin having throughholes corresponding to the individual insertion holes of the waterproof stopper is provided to cover the waterproof stopper. The stopper cover is in the rear surface formed with engagement portions each for engagement with a corresponding engagement portion formed at the rear of a blocking plug.

Abstract: A waterproof tap cover for use in a waterproof connector which prevents a waterproof tap from being damaged when a terminal metal member is removed from a connector housing in the waterproof connector. The waterproof tap, which is formed of rubber and includes a plurality of insertion holes respectively formed so as to oppose a plurality of terminal storage chambers formed in the connector housing, is fitted with the rear portion of the connector housing, and the waterproof tap is fixed by the waterproof tap cover which has a plurality of through holes corresponding to the insertion holes. Chamfered escape recesses are formed in the hole edge portions of the through holes adjacent the waterproof tap in order to accommodate ridge portions of the waterproof tap when the terminals are withdrawn from the connector housing so that the connector can be resealed when the terminals are inserted again.

Abstract: A sealing packing comprises an annular body, plural sealing projecting stripes formed in an upper surface of the annular body, and a plurality of ribs properly spaced between the sealing projecting stripes and extending from one edge of both inner and outer surrounding edges of the upper surface to the other edge to connect to each of the sealing projecting stripes. Plural small sealing chambers are formed in the upper surface by the sealing projecting stripes and the ribs.

Abstract: A terminal for waterproof connectors is provided which includes a receptor portion. The receptor portion comprises a bottom plate and lateral walls provided upright on opposite sides of the bottom plate. A slanting insertion guide surface extends from an intermediate height of a front end of each lateral wall to a retreated front end of the bottom plate so as to provide a cutaway portion therebelow. The terminal for waterproof connectors does not give damages to an insertion hole in a waterproof stopper when passed therethrough.

Abstract: There is provided a connector device for a hydraulic circuit, in which female and male connector housings can be positively fitted together completely, and female and male terminals can be positively connected electrically. Terminals are passed at their central portions through respective terminal passage holes in a housing casing, and a liquid-state sealer is poured into an insertion hole in which rear portions of the terminals are disposed, and is cured to close the insertion hole. A leak portion collecting portion for collecting an outflow portion of the sealer leaked from each of the terminal passage holes through a surface of the associated terminal when pouring the sealer is provided at an end of the terminal passage hole.

Abstract: A resilient locking arm 4 formed on a connector housing 1, which is one of the two mating connector housings, is provided with a guiding section, and a connector fitting detection member 2 comprises a fitting section to be slidably engaged with the guiding section and a resilient detecting arm 17 having a locking projection 20 which is deflectable downward with respect to a locking protuberance 6 formed on the locking arm 4, wherein the locking projection 20 is slidable on the respective lowest end surfaces 10a, 6a respectively of a fitting projection 10 formed on the mating housing 9 and the locking protuberance 6 when the connectors are completely coupled with each other, and wherein the guiding section is formed on a pushing plate 7 provided further on the resilient locking arm, and a resilient fitting detecting arm 17 which is integrally formed to an operating section 16 of the fitting detection member 2 is urged downward with respect to the pushing plate.

Abstract: A structure is provided whereby an insertion hole in a waterproof stopper is prevented from damage upon pulling a terminal out of an electric connector of a waterproof type. A terminal lug includes an electric contact section, a wire connection section and a joining portion through which the lug is joined to a terminal carrier. In the condition where the wire connection section is crimped on a wire, the cut joining portion is offset to a position closer to the central axis of the lug than the bottom plate portion of the wire connection section so that both ends in a width direction of the cut lug are located inside a contour formed by, and axially extended from, the wire connection section.

Abstract: A connector fastening nut for a bolt-nut fastened connector comprises: a nut member (A, B, C, D) fixed to a first connector housing (M) and formed with a female threaded portion (1) engaged with a male threaded portion (5) of a fastening bolt (4) fitted to a second connector housing (F); and an elastic portion (3c, 7c, 8c, 10a) formed integral with the nut member, for urging an end of the fastening bolt in an engagement direction between the female threaded portion of the nut member and the male threaded portion of the fastening bolt, when the male threaded portion has been passed through the female threaded portion after full engagement of the two connector housings (M, F) by fastening the fastening bolt to the fastening nut. The connector fastening nut can engage/disengage the two connector housings smoothly, while preventing the damage of the threaded portions thereof and improving the water-tightness of the fastening nut.

Abstract: A joint connector has a notch for exposing an outer peripheral surface of a bus bar-containing holder to the exterior when the holder is fitted in a holder receiving chamber is formed in a peripheral wall of the holder receiving chamber. Steps are formed at the outer peripheral surface of the bus bar containing holder, each of the steps being located at the notch when the bus bar-containing holder is fitted in the holder receiving chamber, thereby enabling the lifting of the bus bar-containing holder. A step is provided at the notch, so that the notch has a stair-like configuration. A plurality of notches and a plurality of pairs of steps are provided at the peripheral wall of the holder receiving chamber and the outer peripheral surface of the bus bar-containing holder, respectively.

Abstract: A dummy plug is composed of a shielding plug to be inserted in a terminal accommodating chamber and a shielding plug holding means, wherein the shielding plug holding means further comprises; a lid portion which is formed larger than an inner diameter of the terminal accommodating chamber, a pushing projection for pushing the shielding plug formed on one side surface of the lid portion, and a housing locking section formed integrally with the lid portion. With the construction above, when the shielding plug is pressed by the pushing projection to be inserted into the terminal accommodating chamber and the housing locking section thereof is engaged with a locking claw provided at the outer circumferential surface of the connector housing, the pushing projection and the housing locking section can be observed from outside, and the location of the shielding plug stuffed in the terminal accommodating chamber can be consistent, so that even a conventionally adopted connector terminal checking tool can be used.

Abstract: A waterproof connector includes :a connector housing (11) formed with a plurality of oval terminal insertion holes (12) arranged at close intervals in a minor axis direction of the oval terminal insertion holes; and a waterproof plug (30) for sealing a gap between the wire (4) inserted into the terminal insertion hole (12) and an inner wall of the terminal insertion hole, having an inner cylindrical portion (32) and an outer cylindrical portion (33). The inner cylindrical portion (32) air-tightly is fitted to an outer circumference of the wire (4). The outer cylindrical portion (33) brought into tight contact with the inner wall of the terminal insertion hole (12) when the waterproof plug is pressure inserted into the terminal insertion hole. The outer cylindrical portion (33) is formed Integral with the inner cylindrical portion (32) so as to provide a hollow cylindrical portion (35) between the inner and outer cylindrical portions.

Abstract: A terminal crimping device comprising a pressing toothed upper die and a lower die for crimping an electrical terminal over an electrical wire, which is free from a difficulty that burrs are formed on the back of the electrical terminal in crimping the latter over the electrical wire. The terminal crimping device comprising a pressing toothed upper die having an axially symmetrical recess into which a lower die is inserted, the recess has linear guide walls, and the electrical terminal is crimped over the electrical wire in the space defined by the linear guide walls.

Abstract: A superconducting tube for shielding magnetic fields including a substrate having a tubular wall, a superconducting layer supported by the substrate, and at least two ring-shaped reinforcing members connected to the radially-outer surface of the tubular wall.

Abstract: To provide a connector for a circuit board in which terminals, before bent, have the same overall length, thereby reducing the cost of the terminals, and also preventing the erroneous mounting of the terminals on a connector housing. Distal end portions of a plurality of terminals are passed through and fixed to a connector housing, and proximal end portions of the plurality of terminals are bent, and are connected to the circuit board. The plurality of terminals, before bent, have the same overall length, and a bent portion of one of the adjacent terminals is disposed closer to the connector housing than a bent portion of the other terminal, and internal bend angle .theta. of the one terminal is larger than an internal bend angle .alpha. of the other terminal, and the proximal end portions or the distal end portions of the adjacent terminals are disposed out of phase with each other.

Abstract: A connector composed of a connector assembly A1 including a plurality of one connectors A.sub.1, A.sub.2, A.sub.3 and A.sub.4, a connector group B1 including a plurality of other connectors B.sub.1, B.sub.2, B.sub.3 and B.sub.4 to be electrically connected to the one connectors A.sub.1, A.sub.2, A.sub.3 and A.sub.4, and a connector assembly frame C1 having a plurality of connector driving elongated holes 6a, 6b, 6c and 6d formed thereon corresponding to the other connectors B.sub.1, B.sub.2, B.sub.3 and B.sub.4. While driven pins 5 disposed on the other connectors B.sub.1, B.sub.2, B.sub.3 and B.sub.4 are fitted into the connector driving elongated holes 6a, 6b, 6c and 6d, the other connectors B.sub.1, B.sub.2, B.sub.3 and B.sub.4 are individually turnably received in the connector assembly frame C 1. Subsequently, while one end of the connector assembly frame C1 is turnably engaged with a fulcrum portion 2 formed at one end of a base plate having the one connectors A.sub.1, A.sub.2, A.sub.3 and A.sub.

Abstract: The device attempts to facilitate the molding of a tapered guide surface without leaving sharp edges on the corner of the tapered guide surface in order to facilitate insertion of a terminal fitting into a terminal accommodating chamber of a connector housing. A support slit 5 for a terminal fitting is formed on a wall 3 of a terminal accommodating chamber 1 in a connector housing A. A tapered guide surface 6 is formed so as to be tapered toward the terminal accommodating chamber 1 on the wall 3 on both rear end sides of the support slit 5. On the tapered guide surface 6 are a tapered and chamfered surface 6a that is tapered toward the support slit 5 and a tapered and chamfered part 6b that is tapered toward the support slit 5 in the inner surface of the wall 3 so as to reach the tapered and chamfered part 6a.

Abstract: An object of the present invention is to provide a cramp terminal which assures that an electrical insulative cable can easily be press-fitted into U-shaped slots of cramping blades, and moreover, there does not arise a malfunction that the electrical insulative cable is disconnected from the slots. A terminal comprises a terminal body including: at least one cramping blade formed by bending a portion of the terminal body, the cramping blade having a slot formed therethrough so as to allow an electrical insulative cable to be press-fitted into the slot, the cramping blade being connected to side plates of the terminal body; a guide member formed on the side plates of the terminal body: a holding member defined in an upper edge portion of the side plate; and a cramping member for inserting the electrical insulative cable into the slot by thrusting the electrical insulative cable which is brought into contact with the cramping member in area.