Abstract: An inflatable support structure for the construction of houses or similar buildings has an envelope formed by an upper membrane and a lower membrane connected hermetically to each other to form a first pressure chamber constituting this envelope, and a second pressure chamber fixed to the basis of the first pressure chamber. Both pressure chambers are inflated to different pressures wherein the first pressure chamber is always inflated to a lower pressure than the second pressure chamber.

Abstract: Apparatus for cutting rolled steel sections with a web and one or more flanges angled in respect to the web as profiled cutters movable relative to each other on a common axis and kept parallel to each other at the time of cut. The cutter edges for cutting the web of the section extend in an inclined manner at an acute angle with respect to a plane at right-angles to the axis of travel of the cutters. These cutter edges which extend to follow the shape of the flanges at least as far as these extensions are located inside the projection of the section on the normal plane.

Abstract: A catch apparatus for a loading carriage on an inclined drift elevator mounted on a stand which forms an inclined track and extends from one level to another level. The loading carriage is connected to a pulling means which moves the carriage on the track. The catch apparatus comprises a speed sensing unit coupled to a pair of carriage wheels and a locking unit provided with catch members, the locking unit being actuated by the speed sensing unit when the wheels exceed a predetermined rotary speed to pivot a catch member toward the track where it engages a reinforcing element on the track rail to arrest the carriage.

Abstract: Cooling device for slabs comprising a cooling trough and a locating frame provided with compartments in the cooling trough for the vertical location of the slabs by means of a crane able to travel on a track above or along the cooling trough, which crane engages the slabs in an upright position with suitable gripper devices and places them in the locating frame or lifts them from the latter after cooling. The apparatus further comprises two independent tilting devices in the region of the delivery and discharge roller beds for placing the slabs in an upright position and a flat position. The two independent tilting devices are located in the region of the same end of the slab-cooling trough and staggered with respect to each other such that the center-to-center distance of two slabs placed in an upright position by the latter and located in the range of the travelling crane corresponds to the center-to-center distance between the compartments of the locating frame.

Abstract: A method of distributing cargo for loading and discharging cargo spaces of unequal size based on information of the cargo volume to be loaded at each loading area and of its destination, or of an estimate of this factor which is gradually adjusted to actual values, consists in loading the same or a larger quantity of cargo in the largest cargo space or spaces as in any of the smaller cargo spaces, and placing during loading the portion of the cargo volume intended for each discharge berth in such a manner that the largest cargo spaces will contain the same or a larger quantity of cargo in this portion of the cargo volume than the smaller cargo spaces.

Abstract: A method for rolling out a slab, preferably a slab produced by continuous casting, to form a billet having a square cross section, in which the width of the slab is reduced by repeated powerful edging passes, a temperature drop starting from the central region of the slab being provided during rolling, for example by spraying the edge regions of the slab with coolant, in order to give the edge regions greater deformation resistance and thus to prevent bulges at the edge regions. The bulge occurring in the central region of the slab is rolled away by guide rollers located at right-angles to the edging rolls. A rolling mill with suitable heating means is also provided.

Abstract: Straightening apparatus as a frame with upper and lower horizontal supports extending between uprights. Straightening roll units are mounted in cooperative relationship on these supports and are capable of sliding movement therealong. The upper straightening rolls are vertically fixed while the lower rolls are vertically adjustable to alter the rolling gap. Tension members interconnect the upper roll units and the lower support.

Abstract: An excavator has its wheels pivotably mounted on brackets which are adjustably secured to the periphery of the under-frame so that the gauge of the wheel track and their distance to each other can be changed.The present invention relates to an excavator of the kind where the under frame is formed like a big, preferably cylindrical vessel with a plane bottom in order to prevent the excavator from sinking deeply into soft ground.When excavators are moved from one working place to another this is usually done on the public road network. Some excavators are moved by their own motor, while others are trailed by truck. The allowed gauge of track for the wheels of an excavator is limited by the regulations of the road authorities, which implies the disadvantage that the gauge of track is often not sufficient.The object of the invention is to provide an excavator of the kind mentioned above where the above mentioned disadvantage is eliminated.

Abstract: An excavator has its cabin and boom mounted bucket on a rail carriage which may be moved along the excavator frame by means of a first set of hydraulic cylinders. Lifting legs are mounted on the sides of the rail carriage and are associated with a second set of hydraulic cylinders for lifting the under-frame in cooperation with the bucket. The lifting legs and bucket form a 3-point stance when pressed against the ground. In this stance the under-frame may be translated by said first set of hydraulic cylinders and/or turned relative to the upper-frame by motor means. This arrangement allows the excavator to "walk" out of difficult situations.

Abstract: An entry rollerway for a cooling bed for elongate rolled stock in which all parts necessary for guiding and laterally ejecting the rods are carried by lantern-shaped cast members which also constitute the bearings for the rollerway rollers, so that the long support structure or the frame-like understructure previously used in entry rollerways is avoided.

Abstract: A cable hauling apparatus comprising clamp jaws that are oppositely movable by means of a pivotable hand lever is provided with two hand grips associated with the hand lever. One of the two hand grips is located on one side of the apparatus and the other hand grip is located on the opposite side of the apparatus.

Abstract: In a continuous casting apparatus for slabs, the driven guide rollers of two closely adjacent casting guide tracks are driven from the outside of one and the same guide track so that the outside of the other guide track is free of driving motors, and at least a third guide track can be added thereto while maintaining the smallest possible width of the whole apparatus in order to deliver melt from a single distributor groove to the moulds of the individual guide tracks.

Abstract: A safety device for butterfly dampers is mounted in the flue duct of oil fired central heaters and operated by a control device susceptible of rotating a damper element actuated by the pressure of fuel oil fed by a pump through an oil supply line to a burner head to open and close the flue duct. A valve device is mounted in the oil supply line between the oil pump and the burner head and controlled by a position indicator associated with the damper device. The rotation of the damper element is transferred to the position indicator who relays the signal to the valve device. Accordingly a rotation of the damper element toward the closing position will actuate the valve device to close the oil supply line and extinguish the heater.

Abstract: A cable hauling apparatus comprising two self clamping jaws displaced in opposite directions by an actuating lever and by a system of connecting rods so that one of the clamping jaws alternately clamps the cable and displaces it while the other clamping jaw slides freely along the cable. The actuating lever pivots on bearing pins in bearings located in a one piece block head separated from the housing containing the cable clamping mechanism and is shaped to permit machining of the bearing seats provided on the pivot pins of the actuating lever in a single operation, and the connecting rods are directly articulated to the lower end of the actuating lever excentrically with respect to the axis of rotation of the actuating lever and outside the pins located on this pivot.

Abstract: An apparatus for delivering a fluid grinding material to a grinding area in a grinding or polishing apparatus comprises a vessel in which a fluid grinding material is mixed and removed therefrom by conveyor means which drop it continuously in the grinding area. This automatic mixing and continuous transportation from the mixing vessel to the grinding area produces a more homogeneous grinding material in a freshly mixed non-volatile state and thereby provides an improved grinding effect.

Abstract: Magnetic filter apparatus comprising a liquid container with an inlet for liquid contaminated by magnetizable material and an outlet for purified liquid. A wall of magnetic bars is disposed between the inlet and the outlet and liquid can flow through gaps between the bars. The wall of magnetic bars is carried by an endless conveyor which conveys the bars through a cleaning device located above the level of the liquid outlet in the container. The cleaning device comprises travelling wiper blades which engage the magnetic bars from opposite sides and pass lengthwise along the bars to remove magnetizable material which has adhered thereto.

Abstract: A method and apparatus for removing skin from pretreated fish, preferably from herring filets, wherein the opened fish is passed skin side up on a conveyor belt through a cutting and cleaning apparatus in which the skin of the fish is contacted with an acid to produce a denaturization of the fish and liquid jets are directed against the skin at a suitable angle to remove the skin which is flushed away together with other parts of the fish severed during the cutting and skin removing operation.