Abstract: A reflector used in an electronic flash device that collectively emits direct light emitted from a light source and reflected light that has been reflected by a reflective surface onto a subject, and an electronic flash device that uses such reflector. The reflector includes a pair of first reflective surfaces that are composed of portions of a cylindrical curved surface and face one another, and a second reflective surface that is contiguous with the pair of first reflective surfaces and inside which a xenon lamp is housed. Contiguous portions where the pair of first reflective surfaces and the second reflective surface are contiguous are set closer to the opening of the pair of first reflective surfaces than a center of the xenon lamp. With this construction, by it is possible to maintain a predetermined optical performance while making the electronic flash device smaller and slimmer.

Abstract: An embedded lamp comprises a base, an embedded bracket, a lamp socket, and a decorative plate, wherein a flange is formed on the internal periphery of a rotatable bracket of the embedded bracket for coupling with the decorative plate. A protrudent ring having at least a pair of buckling means having a pair of protrudent elastic buckles is mounted on the internal periphery of the decorative plate. When the decorative plate is inserted into the rotatable bracket, the protrudent elastic buckles are bounded to buckle the flange and to be positioned thereon. By means of the above-mentioned structure, the decorative plates with different internal diameter dimensions can be replaced with one another according to the diameter dimensions of various light bulbs without detaching the base and the embedded bracket. Accordingly, it facilitates the replacement of the light bulbs without need of high maintenance technique.

Abstract: A projector (1) enabling the extension/retraction of a column even when the column is rotated, including the telescopic column (4) installed on a carrier (6) as a base, a lifting and lowering device (21) installed in the column (4), a lighting apparatus (2) installed at the tip of the column (4), and a power supply (5) for supplying power to the lighting system (2). The column (4) is formed of circular tubes and rotated in conjunction with the lifting and lowering device (21). Also, the column (4) is formed by loosely fitting, to each other, a first column (13) fixed to the carrier (6) and second and third columns (4a) and (4b) having outer diameters reduced in that order less than that of the first column (13). The second and third columns (4a) and (4b) are loosely fitted to each other so as to be moved in the vertical direction and rotated in conjunction with each other.

Abstract: A lampshade may comprise an upper rim, a cross-member having two ends connected to the upper rim, a clip having a spring portion and two arms, and a shade material connected to said upper rim. The cross-member may include a loop portion between the two ends, the spring portion may be connected to the loop portion of the cross-member, and the arms may be configured to engage a light source.

Abstract: A vehicle lighting apparatus can help improve irradiation for different speeds of an automobile. The vehicle lighting apparatus includes lamps for installation at front portions of an automobile. An irradiation direction of the lamps can be deflected in left and right directions based on a steering operation of a steering apparatus, and a rate of change of a deflection angle of the lamps with respect to the steering angle is made smaller as the vehicle speed increases to a high speed.

Abstract: The procedure consists in incorporating in the actual process of conforming a roof lining, determined by the securing to each other of a previously conformed lining support and the positioning and securing thereon of a coating, of one or more electroluminescent strips which will constitute a lighting system of the roof lining, which electroluminescent strips are integrated between such lining support and coating, each of them with a ribbon cable and a connector which are made to pass through a hole of the support of the lining and is finished in a connector, which is hidden by the rear face of the actual lining for its connection to the power supply of the roof of the vehicle in which the lining is applied.

Abstract: A lamp including a lens support (1) and a glass lens (2) designed to be placed in front of a light source (5), said lens being assembled to the lens support which is secured to the light source, said support being made of a plastics material, said lens having a rear face (22) designed to face towards the light source, an optical front face (21), and a peripheral rim (23) which interconnects the rear face and the front face, the lens support coming into engagement with the lens at said rim, said lamp being characterized in that the support (1) is fixed to the lens (2) by overmolding, the plastics material of which the support is made surrounding the rim (23) of the lens at least in part.

Abstract: A lamp includes a projection lens, a reflector, and a prismatic lens. The prismatic lens receives direct light, which has been transmitted from the light source outwardly with respect to a widthwise direction of a vehicle, and refracts the received light toward the optical axis. The prismatic lens is separated outwardly from the optical axis in the widthwise direction of a vehicle and is provided between the projection lens and the reflector. The prismatic lens can provide an additional light distribution pattern formed outside, in the widthwise orientation, of a basic light distribution pattern formed from light passed though the projection lens.

Abstract: Textile product comprising light guiding fibres (2) consisting of a central core capable of transmitting the light and of an external sheath, in which at least a length portion of said external sheath presents, in respect to the internal core, a refraction index allowing the transmitted light to partially escape from the fibre; cloth article made from the textile product; and a manufacturing method of the textile product.

Abstract: An illuminating device is provided for use as a backlight of a liquid crystal display, and has a plurality of light sources and a light guiding plate emitting lights from the light sources outward. At least one of the light sources is configured to be lighted independently from the rest of the light sources. This illuminating device is applied to equipment such as a two surface display type cellular phone and is disposed between a main panel and a sub-panel to illuminate both panels. All light sources may be used to illuminate the main panel when the main panel is used, and some of the light sources may be used to illuminate only an area of the sub-panel when the sub-panel is used so that effective illumination may be implemented. Accordingly, light sources need not to be unnecessarily lighted when the sub-panel is used, which leads to low power consumption.

Abstract: A lamp having a planar light-emitting source includes a light-guiding structure, a light-emitting portion, and a shading supporting seat. The point-shaped lighting units of the light-emitting portion emit the point-shaped light beams toward the side plane of the light-guiding structure. Then, these beams enter the light-guiding structure. After turning approximately 90 degrees, a uniformly distributed planar light generated from the light-emitting plane of the light-guiding structure. So, a planar light source is obtained. In this invention, it has a planar light-emitting function with better lighting efficiency. The planar lighting is evenly distributed without shadow. Its energy consumption and heat generation are low. The product's life is prolonged. Its volume is small and it is portable.

Abstract: An electrical connector for connecting multiple light emitting diodes (LEDs) in parallel to a two-wire electrical supply bus, made up of upper and lower halves that snap together and contact pins that pass through holes in the upper half to make insulation displacement connections with the conductors of the supply bus. Assemblies including large numbers of LEDs are made by snapping connectors onto the bus, inserting contacts into the connectors, and connecting LEDs to the contact pins, although not necessarily in that order. The contact pins may be hollow to receive the LED leads. Also, the positions of the holes in the upper halves of the connectors, and therefore of the contact pins, may be staggered, so that the spacing between the contacts can be made equal to the pitch between the leads of the LEDs without spacing the conductors of the supply bus further apart.

Abstract: A method of and apparatus for feeding a chemical into a liquid flow are especially suited for use with a headbox of a paper machine, particularly for feeding a retention aid into a fiber suspension flow going to the headbox so that in a mixing apparatus feed liquid is added into the retention chemical solution, prior to introducing the solution into the fiber suspension flow guided to the paper machine. The feed liquid is preferably a circulation water from the paper mill, or another non-clean liquid from a paper mill.

Abstract: The invention relates to a watch case comprising a case middle (16), a bezel (18) mounted so that it can turn on the middle and defining between them an annular chamber (36) and a gap (40) open towards the outside of the case, a glass (22) mounted in sealed fashion on the bezel, a seal (42) inserted between the bezel and the middle and arranged in said chamber (36). According to the invention said seal comprises a ring (44) of annular shape made of a material of the highly elastically deformable type, of annular shape, and the cross section of which comprises two lips (44a), one bearing against the bezel (18), the other against the case middle (16), and a compression member (48) arranged in said chamber on the side of the gap, inserted between and collaborating with said lips in order to compress them against the bezel and against the case middle, respectively.

Abstract: This shock-absorbing bearing comprises a bearing block (1), a pierced jewel (3), an endstone (4) and a shock-absorbing spring (5) connected to said bearing block (1) by four linking arms (5a1, 5a2, 5a3, 5a4), parallel to a plane containing the pivot axis (X) of said bearing and forming two suspension elements (5a1, 5c1, 5a2; 5a3, 5c2, 5a4), each having two of said linking arms connected to each other by a branch in the form of an arc (5c1, 5c2) centered on said pivot axis (X) and having a radius greater than that of said endstone (4), these suspension elements being connected to each other by two diametric arms (5e) located on either side of a central support element (5d). The outer ends of said diametric arms (5e) are connected to two of said linking arms (5a2, 5a4) belonging to said respective suspension elements (5a1, 5c1, 5a2; 5a3, 5c2, 5a4).

Abstract: The invention provides for a dynamic dew point analysis method as well as an apparatus for carrying out the method wherein the method comprises: arranging a moisture containing gas in the immediate vicinity of at least two thermocouples, where one thermocouple is shielded from the gas; creating an analogous temperature change in both thermocouples and registering the temperature in both thermocouples during a cycle where the condensation point of the moisture containing gas is passed, using the different temperatures from the at least two thermocouples as input for determining the dew point according to basic thermodynamic principles.

Abstract: A thermal analyzer has a heat sink for storing therein a specimen, a heater for heating the heat sink and the specimen, at superheating temperatures, and a cooling mechanism thermally connected to the heat sink for cooling the heat sink and the specimen. The cooling mechanism is comprised of a tubular member having an inlet port for introducing a cooling gas into the tubular member and an outlet port for discharging the cooling gas from the tubular member. A tubular extension is thermaly connected to and extends from the tubular member. An electric cooling device has a cooling head connected to the tubular extension for cooling the cooling mechanism.

Abstract: An apparatus (295) using specular reflection spectroscopy to measure a temperature of a substrate (135). By reflecting light (100) from a substrate, the temperature of the substrate can be determined using the band-edge characteristics of the substrate. This in situ apparatus can be used as a feedback control in combination with a variable temperature substrate holder to more accurately control the processing conditions of the substrate. By utilizing a multiplicity of measurement sites, the variation of the temperature across the substrate can also be measured.

Abstract: An ambient temperature control apparatus used for measuring ambient temperature. The apparatus has a bottom plate, a panel fitting apparatus, an external mask, and a temperature control device. The panel fitting apparatus is disposed on the bottom plate and is suitable for use to fix a liquid crystal panel. The external mask is detachably mounted on the bottom plate to form a cavity, in which the panel fitting apparatus and the liquid crystal panel are enclosed. The external mask includes at least a window allowing the photometer to measure the liquid crystal panel therefrom. The temperature control device mounted to the external mask is suitable to control the temperature variation of the cavity.

Abstract: The cold junction temperature of the channels on a multi-channel terminal block are accurately determined for each terminal pair without affixing a thermistor to each terminal. One embodiment provides accurate cold junction measurement of a six channel device (12 terminals) by mounting or directly affixing only three sensors (e.g., thermistors). The present technique decreases cost by reducing the number of sensors to less than the number of channels or terminals, while providing for accurate cold junction measurement at each channel.

Abstract: A zipper closure for a reclosable bag has a male profile and a female profile, the male profile being snappingly engagable within the female profile to close the zipper closure. One of the male and female profiles includes a collapsible element which forms a hermetic seal between the male and female profiles when the male profile is engaged within the female profile.

Abstract: A linear sliding guide comprises a longitudinal guide rail with guide flanks that extend in a direction of sliding and a bearing block that lodges therein and has corresponding counterpart flanks. Compensation-for-play spring assemblies are provided between these two components; they are formed by a receptacle and a spring bushing that is inserted therein. The spring bushing acts on the corresponding guide flank of the longitudinal guide rail by way of a gap in the receptacle.

Abstract: A linear motion guide unit is disclosed, in which components required for a slider are all joined together with no fasteners including bolts, screws, and so on used conventional assembly operations, but mutual fit-engagement of any components with their mating counterparts. This allows reducing the number of components to cope with a modern tendency of miniaturization of the linear motion guide system. The slider includes a carriage casing composed of end panels facing forward and aft ends of a carriage, one to each end, and side panels facing widthwise opposing sides of the carriage, one to each, the end and side panels being connected integrally to surround the carriage. To complete the slider, the carriage first fits between the end panels of the carriage casing.

Abstract: An improved rotational motor, such as a spindle motor for a disc drive, is provided. The motor first comprises a hub having a shaft portion and a horizontal body portion. The motor also comprises a sleeve surrounding the shaft portion of the hub. A fine first vertical gap is retained between the shaft and the inner diameter of the surrounding sleeve. In addition, a fine horizontal gap is provided between the upper hub portion and the top of the sleeve. A third gap is preferably provided between the hub and an outer diameter of the sleeve. The first vertical gap is filled with a lubricating liquid, such as a clean oil. A capillary seal is provided in the third gap. In one embodiment, the lubricating liquid extends into the horizontal gap. Oil pumping grooves are machined along the horizontal fluid gap. When the hub is rotated, the oil pumping grooves impel oil towards the shaft. This prevents any portion of the first vertical gap from becoming un-lubricated during rotation of the shaft.

Abstract: A bearing for supporting a shaft submerged in molten zinc, has a bearing surface comprising a steel cylindrical liner having slots retaining ceramic shaft-engaging bearing elements.

Abstract: A plain bearing comprising a housing and two plain bearing halves forming a cylindrical shape in combination and fixed in the housing. Each of the plain bearing halves has crush reliefs formed at both ends of an inner circumferential surface thereof in a circumferential direction, an oil groove formed on the inner circumferential surface thereof and extending in the circumferential direction, a central crown portion at substantially central position in the circumferential direction and in communication with the oil groove, and inflow preventing portions formed between the crush reliefs and the oil groove.

Abstract: A sliding bearing which is suitable for and durable in the use under high load of sliding in rocking motion, and the structure of bearing is not complicated so as to facilitate the manufacturing. The alloy used for making the bearing is composed of iron-based sintered alloy having quenched structure, and the bearing surface is provided with inclined grooves of an inclination angle of 10 to 40° relative to the direction perpendicular to the sliding direction and a width of 2 to 8 mm and the area of inclined grooves is 50% or less of the total inner bearing surface and an imaginary line perpendicular to the sliding direction crosses both the inclined groove and the bearing surface at any position of the inner surface of bearing. When the bearing is used, at least the inclined grooves are impregnated with a lubricant.

Abstract: A rolling bearing includes a plurality of rolling elements movably retained at almost the same interval between an inner ring and an outer ring with a cage made of synthetic resin provided interposed therebetween. The rolling bearing further includes, an oil film made of a lubricant, and a grease containing a synthetic oil as a base oil enclosed therein. The lubricant contains at least one additive selected from the group consisting of organic aliphatic acid, organic aliphatic acid derivative and organic phosphorus compound incorporated in a synthetic oil in a proportion of from 0.5 to 10% by weight formed on the surface of the raceways of the inner and outer rings and the surface of the rolling elements, and a grease containing a synthetic oil as a base oil enclosed therein.

Abstract: A cage, rollers and solid lubricant are all formed integrally into a complete unitary molding with using difference in thermal expansion in a mold. Assembling the complete unitary molding into the race in the rolling-contact bearing is made easier. The complete unitary molding is made such that the rollers remain exposed partially at their rolling surfaces above the inside circular surface of the complete unitary molding while the solid lubricant on the outside circular surface of the complete unitary molding is squeezed out from between the rolling surfaces of the rollers and the inside circular surface of the outside mold upon molding operation, thereby getting the rolling surfaces of the rollers exposed partially. The mold is composed of an outside mold, an inside mold and an intermediate mold, which is made of a substance larger in thermal expansion than other substance for the outside and inside molds.

Abstract: An optical connector adapter includes a substrate having optical waveguides for transporting optical signals. The optical connector adapter is for connecting optical pump sources to the optical waveguides using passive alignment. The substrate has opposing ends, a top reference surface and a side reference surface aligned relative to the optical waveguides. A respective carrier bracket is received over each end of the substrate. Respective substrate alignment fiducials align the carrier brackets relative to the substrate. A substrate carrier receives the substrate and carrier brackets. Respective carrier alignment fiducials align the substrate carrier and the carrier brackets. An optical coupler is received on the substrate carrier. A coupler alignment fiducial aligns the optical coupler relative to the substrate so that the optical coupler is aligned relative to the optical waveguides.

Abstract: The device includes first and second ferrules, first and second housings, and first and second holders. The first and second ferrules have respective first and second mating ends. The first housing has a first cantilever spring, a second cantilever spring, and a first recess for accommodating the first ferrule. The second housing has a third cantilever spring, a fourth cantilever spring, and a second recess for accommodating the second ferrule. The first holder is interposed between the first ferrule and the first and second cantilever springs. The second holder is interposed between the second ferrule and the third and fourth cantilever springs. In a connected state, the first mating end of the first ferrule contacts the second mating end of the second ferrule so that the first ferrule is in optical communication with the second ferrule.

Abstract: A first guiding mechanism is formed by the interior shape of an engagement portion of a plug housing and the exterior shape of an engagement portion of a receptacle housing, to be guided and inserted into the engagement portion. A second guiding mechanism is formed by guide posts and guide holes. A third guiding mechanism is formed by the interior shape of the engagement portion of the receptacle housing and the exterior shapes of first multi core ferrules of the plug side optical connector, to be inserted into the engagement portion of the receptacle housing. A fourth guiding mechanism is formed by guide pins of second multi core ferrules and guide pin apertures, for receiving the guide pins of the first multi core ferrules. The first, second, third, and fourth guiding mechanisms operate in this order during engagement of a receptacle side optical connector and a plug side optical connector.

Abstract: A fiber optic industrial connector includes a connector holder and a duplex clip assembly secured within the connector holder. The duplex clip assembly includes a duplex clip and two connectors secured within the duplex clip. The duplex clip has a front surface and a rear surface, and two openings positioned between the front surface and the rear surface. The duplex clip also has a projecting member extending from the rear surface and toward the front surface.

Abstract: An optical fiber connecting device has a pair of holding elements which are formed on an actuating member and are capable of undergoing elastic deformation as a sheath holding mechanism for securing, to a body, the sheath portions S of the optical fibers F having uncoated fiber elements C to be held by the fiber-element securing member. The holding elements form a pair of passages for guiding the optical fibers F on the body. The holding elements undergo the elastic deformation accompanying the motion, on the body, of the actuating member for closing the fiber-element securing member, and push and hold the sheath portions S of the optical fibers F in the corresponding passages by utilizing their own elastic restoring forces. Each holding element includes a pressing part formed at a free end separated away from a fixed end part, and an engaging part positioned between the fixed end part and the pressing part.

Abstract: The invention relates to an optical duplex connector which has two optical waveguides, a connector housing, in which the optical waveguides are arranged with a defined lateral spacing in relation to each other, and a triggering mechanism for locking and/or unlocking the optical connector with respect to a coupling partner. The triggering mechanism comprises at least one interacting part, which interacts with at least one corresponding part of the coupling partner for locking and/or unlocking. In this case, the at least one interacting part is arranged, with respect to the plugging direction, in the lateral region between the two optical waveguides or extends along this lateral region. This leads to a particularly compact connector structure.

Abstract: A pluggable electro-optical module is mounted completely within the housing of a host device, e.g. testing equipment, to protect the module from external forces, such as ESD, dust and impacts. Furthermore, an equipment manufacturer can use any form of electro-optical module with any type of optical connector receptor, and adapt the electro-optic module into their optical equipment by using an adaptor cable and an optical connector adaptor, which optically couples the module to their end customer's network regardless of the optical connector on the module or the network cable.

Abstract: A molding die 1 is constituted by an upper die 1a and a lower die 1b which are made of a material transparent to an ultraviolet light, and has a cavity 3 constituted by grooves 2c, 2d, whereas a resin injection gate 4 and a resin exit gate 7 are provided so as to communicate with the cavity 3. A junction of an optical fiber 10 is inserted into the cavity 3. A UV-curable resin is injected into the cavity 3 surrounding an exposing portion of the glass optical fiber 11 from the resin injection gate 4 positioned at one of coating ends of the optical fiber 10, whereas a part thereof is discharged from the resin exit gate 7 positioned at the other coating end. The ultraviolet light is emitted through the lower die 1b so as to cure the resin, thereby forming a reinforcement resin coating. As a consequence, bubbles can be prevented from occurring due to the residual air within the reinforcement resin coating in the junction of the optical fiber 10.

Abstract: A data producing apparatus has: a first Braille translation device producing information processing Braille data for embossing information processing Braille on a processing sheet based on an ink-character array having one or more ink characters; a second Braille translation device producing general Braille data for embossing general Braille, other than the information processing Braille, on the processing sheet based on the ink-character array, thereby producing from the inputted ink-character array Braille data having the information processing Braille data and/or the general Braille data.

Abstract: It is intended to provide a tape printer which enables to forcibly separate a platen roller and a print head along with an opening operation of a cover element in case the platen roller and the print head have adhered to each other because of a long-period storage of the tape printer with the platen roller and the print head being in contact. Accordingly, a first gear formed in the platen roller and a rack member in which gear teeth engageable with the first gear are provided, so that a contact between the platen roller and a thermal head can be forcibly released by an engagement with a first gear and the gear teeth when the cover element is opened, and a roller holder is returned to a withdrawing position with a roller holder return spring for pressing the roller holder toward the withdrawing position.

Abstract: A printing mechanism requires ribbon spools to be locked in place radially, and includes a pivoting ribbon tension arm that must be pivoted out of its normal operating position when ribbon is to be replaced. A ribbon spool lock assembly includes a rotating locking hub on the side of the printing mechanism. The rotating locking hub includes a locking feature that protrudes into the printing mechanism to radially lock the ribbon spool when the locking hub is in a locked position. A pivoting lock arm is provided for pivoting the locking hub into an unlocked position in which the locking feature is disengaged from the ribbon spool.

Abstract: A device for at least one of packaging and dispensing a product may include a receptacle configured to contain a product and at least one body. The at least one body may include a binder and a plurality of particles associated with the binder. The at least one body may define at least one cavity visible to the naked eye, and the device may be configured so that, at least during use of the device, the at least one body is at least partially in contact with the product and at least some of the plurality of particles is at least partially in contact with the product.

Abstract: The present invention provides improvements in paper fastening to enable a user to remove a desired portion of papers from a fastened stack of papers without having to unnecessarily detach unwanted papers in the stack from the prongs of the fastener. The improved paper fastening arrangement is for use with a fastener having a base including two ends each having a leg extended therefrom, the leg foldable relative to the base. The arrangement comprises a sheath including an extension shaped to slideably engage one of the legs, the extension including an opening that defines a cavity to receive the leg, wherein the extension at least partially covers the leg and is operative to engage through sheet materials. At least one guide tab depends from the extension downward from the opening, the guide tab being foldable.

Abstract: A coupling device for an artificial model includes a male joining part, a female joining part and an insertion member. The male and female joining parts have a base disk attached with a front positioning plate and a rear lock plate respectively. The insertion member further includes an insert head, an adjustable bolt, a first elastic body, a cap, a pin, a ball, a second elastic body and a setscrew. The insertion member is inserted into the male and female joining parts such that the male joining part can open any angles with respect to the female joining part smoothly.

Abstract: An item such as a passenger assist handle is anchored to an automotive framing component by a mounting stud passing through a hole in the framing component. The mounting stud includes a shaft with a helix at a first end and a threaded portion at a second end. The helix and threaded portion are of opposite hands and the threaded portion receives a stop nut thereon. The automotive framing component has a teardrop shaped opening therethrough having a first diameter substantially equal to the diameter of the shaft and a second diameter substantially equal to the radius of the helix. Upon threading the nut onto the shaft, while the stud is held initially stationary by frictional engagement between its surface and surfaces of the framing component adjacent to the teardrop shaped opening, the stop nut bottoms against a shoulder on the shaft and then begins rotating the shaft to drive the helix through the teardrop shaped opening.

Abstract: An accessory for connecting a portion of a first conduit to a portion of at least one second conduit or to another accessory, which accessory includes a base element and an end element including complementary engagement elements co-operating with one another to allow relative displacement between the end element and the base element between a position in which the end element is deployed relative to the base element, and a position in which the end element is retracted onto the base element. The accessory includes resilient return elements distinct from the complementary engagement elements and suitable for acting between the base element and the end element in order to return the end element into the deployed position.

Abstract: An improved joint utilizes a facing strip which is configured to extend away from a pair of plates held by the facing strip as one moves toward the middle of the facing strip. When the steel plates are disposed at an angle to one another, the facing strip is preferably straight. When the steel plates are parallel, the facing strip is preferably bent to extend toward the plates as one moves out from the middle of the facing strip and toward the lateral edges.

Abstract: A multi-level road intersection comprises a continuous-flow overpass for handling through traffic traveling on a first road, a continuous-flow underpass for handling through traffic traveling on a second road, and a rotary disposed on a ground level at the crossing area for handling right turn, left turn and U-turn traffics. Change-direction and merge lanes are disposed on the ground level to enable right turn, left turn and U-turn traffics to deviate from the first or second road to enter into the rotary, and to outgo therefrom toward a desired direction. Barrier-free pedestrian walkways are disposed at grade on the ground level adjacent the outer periphery of the rotary to enable pedestrian traffic to traverse the first and/or second roads with ease and with minimum exposure to vehicular traffic.

Abstract: A road-marking system comprising at least a first (1) and a second road marking unit (2), each having an emission surface (10; 20), the first unit comprising a first light source (21, 21? . . . ) and the second unit comprising a second light source (22, 22? . . . ). Each unit has a housing (11, 12) of a shape adapted to a saw-cut cavity (9) accommodating the unit and lying in a plane P. Each unit is provided with stabilizers (23, 23?; 24, 24?) which are situated at the ends of said emission surface and lie in the plane P as well, thus preventing turning of the unit around an axis A normal to the plane P.

Abstract: A method of making a membrane assembly by forming at least a pair of bottom sheet membranes and at least one top sheet membrane, wherein the bottom sheet membranes are adapted to attach to and cover respective pavement sections of a roadway, and constructing each top sheet membrane with a track, wherein each track receives edges of a corresponding pair of the bottom sheet membranes.

Abstract: An automatically openable and closeable gate system that will find primary use with the street curb opening to a catch basin or vault of a storm drain system, and for other similar openings, the system having a gate which during dry and low-flow water drainage situations will be in a closed position such that items of trash, debris, litter, leaves and the like will be prevented from entering the basin, vault or system, yet in periods of heavy rainfall or other heavy water run-off situations will automatically open to allow free flow of water into the basis or vault to alleviate water accumulation in the adjacent street and other surrounding areas.