Abstract: A fluid drainage device which includes a fluid-receiving volume, a cover which is movable between a first limiting position at which an inlet port is in fluid communication with the volume and a second limiting position at which an outlet port is in fluid communication with the volume, a piston which is movable inside the volume between a first position and a second position, a handle which is moveable in a first direction to cause the piston to move to the first position and to store energy in a spring so that, when the cover is in the first limiting position the piston is moveable by energy released from the spring to reduce pressure in the volume, allowing fluid flow through the inlet port, and wherein movement of the handle in a second direction causes the piston to move to the second position thereby expelling fluid from the volume.

Abstract: The invention relates to a pool cleaner. Rotation from a turbine is transmitted to a first wheel that is forwardly driven. A second wheel is switched between corresponding forward rotation and rearward rotation. An axle of the first wheel rotatably supports a sleeve that carries the second wheel. The reverse transmission is effected by a double-sided dog clutch member slidably supported between a pair of clutch gears freely rotatable on a rotating lay shaft. A first clutch gear is connected for reverse rotation and a second clutch gear for forward rotation of the sleeve. A switching mechanism includes a movably mounted lever arm engaging the double-sided clutch member with a cam follower engaging a cam formation carried on an independently supported control gear connected to the turbine and in mesh with a worm gear on the lay shaft.

Abstract: An underwater wall mounted light fitting having a sealed light source chamber and an electrical supply connection chamber including a port to sealingly engage over an electrical supply line with an array of electrical conductive connectors embedded in a dividing wall and each providing a connection terminal on opposite sides of the wall within the chambers respectively. The dividing wall is moulded around the connectors which are provided as rigid spigots with circumferential grooves to receive the moulded wall material. The connection chamber is a hollow cover with the port which includes a compression gland assembly for an electrical supply line. The dividing wall is securable against a peripheral frame provided on the lens and the frame includes a continuous flange which fits around the dividing wall. The housing is releasably securable to a wall mountable bracket. LEDs provide the light source.

Abstract: A fluid drainage device, for use in a closed wound drainage system, which includes a fluid-receiving volume having a bore, a piston in sealing contact with the bore, a prop extending from the piston and which is connected to an energy storage device, wherein the piston can be user-actuated between a first position, whereby energy is stored in the energy storage device, to a second position, whereby energy is released from the energy storage device, to increase the size and reduce the pressure of the volume, allowing fluid to flow from a conduit into the volume.

Abstract: The invention relates to a drive mechanism for a pool cleaner (101). Rotation from a turbine assembly (201) is transmitted to a pair of rear wheels. A first wheel (104.1) is forwardly driven. The second wheel (104.2) is switch between corresponding forward rotation and rearward rotation. An axle (109) of the first wheel (104.1) includes a coaxial shaft which rotatably supports a sleeve that carries the second wheel (104.2). The reverse transmission is effected by a double-sided dog clutch member (117) slidably between a pair of clutch gears (118, 119) freely rotatable on a rotating lay shaft (111). A first clutch gear (118) is connected for reverse rotation and a second clutch gear (119) for forward rotation of the sleeve carrying the second wheel (104.2).

Abstract: An underwater wall mounted light fitting having a sealed or sealable light source chamber having a lens and a sealable electrical supply connection chamber including a port to sealingly engage over an electrical supply line with a dividing wall of insulating material provided between the two compartments and an array of electrical conductive connectors embedded in the dividing wall and each providing a connection terminal on opposite sides of the wall within the chambers respectively. The dividing wall is moulded around the connectors which are provided as rigid spigots with circumferential grooves to receive the moulded wall material. Grub-screws into cross passages are used to engage the electrical wire in each spigot. The connection chamber is a hollow cover with the port which includes a compression gland assembly for an electrical supply line.

Abstract: A fluid drainage device, for use in a closed wound drainage system, which includes a fluid-receiving volume having a bore, a piston in sealing contact with the bore, a prop extending from the piston and which is connected to an energy storage device, wherein the piston can be user-actuated between a first position, whereby energy is stored in the energy storage device, to a second position, whereby energy is released from the energy storage device, to increase the size and reduce the pressure of the volume, allowing fluid to flow from a conduit into the volume.

Abstract: Valves (110) and other apparatus, methods of moulding and moulds (112) are provided for the moulding of materials such as injection or injection-compression moulding of molten thermoplastic materials. The valve includes a valve element/piston (126) that is orientated at 60 degrees relative to the mould's bounding wall (116) and that can reciprocate in a barrel (122) and that can rotate. The piston (126) h a leading face (128) that is also orientated at 60 degrees, so that the flow passage/melt channel (118) extends past the leading face (128) when the valve (110) is open and the leading face (128) forms part of the bounding wall of the mould cavity (114) when the valve is closed. The piston (126) is advanced or retracted a very short distance and is rotated through 180 degrees, to open and close the valve (110).

Abstract: Processes, a pallet (10) and a pallet system are provided for the handling of goods. The pallet (10) includes a main body (12) defining a load deck (16) and feet (18) and the main body (12) is suitable to be used as a pallet for applications such as light duty, one-way transport of goods. The pallet (10) further includes a bottom accessory (14) that can be attached to the feet (18) of the main body (12) to form beams (44,46) extending between the feet (18) to convert the main body (12) into pallet (10) that is suitable for use in heavy duty applications such as in pallet pools. The main body (12) and bottom accessory (14) are each configured to allow them to be nested, when not attached to each other. The processes of the invention include using the main body (12) to transport goods from manufacturers and then attaching the bottom accessory (14) to the main body (12) to form a pallet (10) for use in a pallet pool.

Abstract: Processes and a pallet (10) are provided for the handling of goods. The pallet (10) includes a main body (12) defining a load deck (16) and feet (18) and the main body (12) is suitable to be used as a pallet for applications such as light duty, one-way transport of goods. The pallet (10) further includes a bottom accessory (14) that can be attached to the feet (18) of the main body (12) to form beams (44,46) extending between the feet (18) to convert the main body (12) into pallet (10) that is suitable for use in heavy duty applications such as in pallet pools. The main body (12) and bottom accessory (14) are each configured to allow them to be nested, when not attached to each other. The processes of the invention include using the main body (12) to transport goods from manufacturers and then attaching the bottom accessory (14) to the main body (12) to form a pallet (10) for use in a pallet pool.

Abstract: A PVC-free multilayer tube, preferably for medical purposes, with more dependable peelability, comprises at least three layers, of which a base layer comprising a first plastics material has been bonded to at least one connection layer comprising a second plastics material by means of at least one buffer layer arranged between the base layer and the at least one connection layer, the buffer layer comprising a third plastics material, wherein the multilayer tube can be used to mold a coil or a loop with a diameter of down to 50 mm without undesirable kinking. Each of the first and second plastics materials is comprised of at least 25% by weight, based on the total weight of the base layer and the connection layer, respectively, of polyolefins, while the third plastics material has a proportion, based on the total weight of the buffer layer, of more than 75% by weight of a thermoplastic elastomer which is not a polyolefin.

Abstract: A divider barrier 1 for roadway delineation includes detachably juxtaposed divider members 2, 3, 4. The divider members have each a housing-like base body 5 which can be placed on the ground and has slanted roof-shaped lateral collision plates 6, 7. Connected to the lower longitudinal edges 10 of the collision plates 6, 7 are support plates 11, 12 which extend from the base body 5 outwards. A guide bar 15 is provided above the base body 5 at a vertical distance thereto. Connecting means 18–21 are provided to detachably couple successive divider members 2, 3, 4 with one another. The support plates 11, 12 of two successive divider members 2, 3, 4 are detachably connected to one another by means of fishplates 35 on the underside, wherein each fishplate 35 is hereby fixed with its first end portion 36 under the support plate 11 of the one divider member 2, 3, 4 and with its second end portion 37 under the support plate 12 of the following second divider member 2, 3, 4.

Abstract: A divider barrier for roadway delineation includes detachably juxtaposed divider members which have each a housing-like base body having slanted roof-shaped lateral collision plates. Connected to the lower longitudinal edges of the collision plates are support plates which extend from the base body outwards. A guide bar is provided above the base body at a vertical distance thereto. Successive divider members are detachably coupled by connectors. The support plates of two successive divider members are detachably connected to one another by fishplates on the underside, wherein each fishplate is hereby fixed with its first end portion under the support plate of one divider member and with its second end portion under the support plate of a following divider member. Each of the first and second end portions of each fishplate has a receiving opening for engagement of a round pin and secured under each of the support plates.

Abstract: A PVC-free multilayer tube, preferably for medical purposes, with more dependable peelability, comprises at least three layers, of which a base layer comprising a first plastics material has been bonded to at least one connection layer comprising a second plastics material by means of at least one buffer layer arranged between the base layer and the at least one connection layer, the buffer layer comprising a third plastics material, wherein the multilayer tube can be used to mold a coil or a loop with a diameter of up to 50 mm without undesirable kinking. Each of the first and second plastics materials is comprised of at least 25% by weight, based on the total weight of the base layer and the connection layer, respectively, of polyolefins, while the third plastics material has a proportion, based on the total weight of the buffer layer, of more than 75% by weight of a thermoplastic elastomer which is not a polyolefin.

Abstract: The invention relates to a method for controlling the temperature of a melt (10), preferably of a steel melt, in a distributing vessel (11), whereby the temperature of the melt is measured, the measured result is compared with a predetermined temperature range in the form of specified values, and as much heat is supplied or withdrawn from the melt such that the temperature remains inside said range. In order to control the melt temperature, a fireproof shaped part (20) which is closed on both sides and which is provided for accommodating a liquid cooled induction coil (1) is immersed in the melt (10). The transmission of heat is carried out by means of thermal conduction out of the wall of the shaped part (20) which is coupled to the induced electromagnetic field and/or by means of a direct coupling to the liquid melt (10).

Abstract: An immersion nozzle for pouring molten metal, especially steel, from a pouring vessel into a mold of a continuous casting machine. The nozzle includes a substantially tubular upper part that can be attached to the pouring vessel and a lower part that has a broad side significantly larger than its narrow side at the opening end. The upper part has, at the end facing the lower part, a flared section that encircles the entry area of the lower part. A seal is provided between the upper part and the entry area of the lower part. The lower part has a support in the entry area. Holding elements are provided so as to touch the support of the lower part and connect the lower part to the upper part.

Abstract: A highway divider including a plurality of housing-like steel divider members which are releasably connected to each other in longitudinal direction. Each divider member has two side walls arranged in a mirror-inverted configuration. Each side wall includes a lower longitudinal strip member, a center longitudinal strip member and an upper longitudinal strip member which are connected to each other through concave portions so as to prevent buckling. Transverse wall members which are I-shaped in cross-section and have bottom surfaces are welded to the side walls on the vertical level of the lower longitudinal strip members and of the lower concave portions. In addition, horizontally extending stiffening plates can be welded between the side walls on the vertical level of the upper sides of the transverse wall members and the vertically middle portion of the center longitudinal strip members. Two successive divider members are connected through shaped pieces, connecting plates and threaded bolts.

Abstract: A sheet feeder for the supplying of stream of single sheets to a sheet-processing machine. Preferably, a pile of sheets is carried by a pile table to a sheet-singling apparatus. The sheet-singling apparatus transfers a continuous stream of individual sheets, via a conveying table, to the sheet-processing machine. The invention allows for an extension of the time for changing the pile of sheets, due to the fact that a pile of sheets is provided on either side of the machine.