Abstract: In a transport system for a mould-string casting plant comprising a moulding machine (1) delivering a plurality of uniform mould parts (3) to a string of moulds on the transport system transporting the moulds from the moulding machine (1) to a pouring station (4) and further on to a solidification and cooling section (II, III, IV) and ending at a knock-out station in which the castings are taken out of the moulds (3), the transport system comprises in combination—a second section (II), in which the moulds (3) in the string are transported slidingly by means of movable longitudinal side rails (8) applying a positive lateral force on each side of the mould string (3) and moving in an advancing and longitudinal stepwise manner synchronised with the movement provided by the pressure plate (2) of the moulding machine (1), and—a third section (III), in which the transport is effected by means of a walling beam system (6, 7).

Abstract: In a mold-pressing machine with liquid-mist injection, using atomizing nozzles (9) with a vortex chamber (27) delivering atomized liquid mixed with air through outlet apertures (26), compressed air constantly being supplied to the atomizing-air nozzle (29), while the liquid nozzle (28) receives liquid under pressure through a liquid conduit (19,25), a liquid duct (31) and a slave valve (32,33) controlled by the liquid pressure solely in those periods, during which the liquid mist is desired to be injected, the new feature is that the liquid conduit (19,25) comprises a fast-acting air-escape valve (13), possibly of the same kind as those being used with pneumatic cylinders, causing any air having penetrated into the liquid duct (31) during the rest intervals because of a leak in the slave valve (32,33) to flow to an escape conduit (21).

Abstract: In a system comprising a gripper (9) and a number of gripping objects (7), and with fluid-communication couplings for establishing temporary fluid communication between the gripper (9) and the gripping object (7) being gripped, the novel feature consists in that the coupling comprise at least one tubular member (30) with at least one open end being adapted to be pressed against and to make fluid-tight contact with a plane surface (37) on the gripping object (7) having fluid-transfer openings (39) with somewhat smaller diameter than the open ends of the tubular member (30). With this arrangement, the risks of damage and other problems associated with previous coupling arrangements based on the male-female principle are avoided.

Abstract: In a gripper with two pivotable jaws (5,6) for engaging a core mask (7) or the like in an automated foundry plant, each jaw is actuated by a knee-joint linkage (18,22a and 19,22b respectively) with a common member (22) driven by a single hydraulic cylinder (24). By arranging the actuating mechanism as shown, it is possible(a) to move the two jaws between their gripping positions shown and their position of rest (not shown) by a single hydraulic cylinder or equivalent motor, and(b) to move the two jaws between said positions without risk of the jaws colliding with each other, as during the movement to the position of rest (not shown), the lower jaw (5) is swung into the gripper housing (9) before the upper jaw (6).

Abstract: In a rain gauge of the type comprising a counter-balanced tiltable water collecting spoon system as operating a counter the tiltable spoon system is held in its water collecting position by magnetic attraction forces between a permanent magnet and an armature such that the tilting is initiated in accurate responses to a predetermined overfilling of the spoon system, whereby the tilting takes place in a welldefined and rapid manner conditioning a high measuring accuracy of the rain gauge.

Abstract: The invention concerns the technical problem of providing a simple and reliable apparatus for separating castings from moulds of sand or similar material at the end of a guiding track, on which the moulds with the enclosed castings are advanced step by step towards a knocking-out station. With a view hereto the apparatus comprises a number of possibly interchangeable claws equipped with vibrators which, when moved into the row of moulds, can penetrate the mould sand and be caused to enclose and pinch the outermost casting, whereafter the claws are shifted back to the initial position in which the pair of tongs formed by the claws can open in order to deliver the casting for further treatment. The claws can be specially formed so as to retain possible core sand in the castings.

Abstract: A travelling grate conveyor for advancing a mould consisting of juxtaposed identical mould parts is associated with an endless mould supporting belt or conveyor formed by a plurality of closely spaced and interconnected rod members extending transversely of the longitudinal direction of the conveyor. The upper run of the belt rests on and is advanced by the travelling grate walking wacking beam conveyor.

Abstract: A combustible casing for ammunition having walls mainly of nitrocellulose in the form of nitrated textile. The casing is made by winding a fiber reinforced nitrated textile thread around a mandrel and applying a binding agent to hold the threads together.