Abstract: The invention relates to a method for blister packing products (9), comprising the step of packaging said products (9) in a blister web (1) or a blister sheet (2) and storing said blister web or blister sheet intermediately (12). Following said intermediate storing (12) several blister packs (4) are formed from said blister web (1) or blister sheet (2).

Abstract: A method of handling liquid non-ferrous metals after smelting. The liquid metal is in contact with a solid refractory material, and in the absence of electrical currents passing through the liquid-metal-contacting surfaces. The solid material is Ti3SiC2. The liquid non-ferrous material can be aluminum or an aluminum alloy, magnesium or a magnesium alloy, or other non-ferrous materials as to which the Ti3SiC2 material is stable.

Abstract: The invention relates to a method for blister packing products (9), comprising the step of packaging said products (9) in a blister web (1) or a blister sheet (2) and storing said blister web or blister sheet intermediately (12). Following said intermediate storing (12) several blister packs (4) are formed from said blister web (1) or blister sheet (2).

Abstract: A method of handling liquid non-ferrous metals after smelting. The liquid metal is in contact with a solid refractory material, and in the absence of electrical currents passing through the liquid-metal-contacting surfaces. The solid material is Ti3SiC2. The liquid non-ferrous material can be aluminum or an aluminum alloy, magnesium or a magnesium alloy, or other non-ferrous materials as to which the Ti3SiC2 material is stable.

Abstract: A method of handling liquid non-ferrous metals in which the liquid metal is treated while coming into contact with a solid refractory material. The invention is characterised in that the solid material is Ti3SiC2. According to one preferred embodiment, the liquid material is aluminium or aluminium alloys.

Abstract: An indexable insert for metal cutting having an upper surface, a bottom surface and side surfaces. At least a portion of the intersecting lines between the side surfaces and the upper surface generates a main cutting edge, a secondary cutting edge and a corner cutting edge. The corner portions of the upper side are provided with recesses. The corner cutting edge including at least two radiused edges having different radii. The first radiused edge, having a larger radius, being located adjacent to the main cutting edge and a second radiused edge, having a smaller radius, being located adjacent to the secondary cutting edge. Furthermore, the secondary cutting edge includes a radiused edge having a larger radius than the two aforementioned corner radiused edges and the recess includes a rear plane being so arranged that the chips hit a rear plane of the upper surface and break against the rear plane.

Abstract: An indexable cutting insert for metal machining, in particular turning, is formed with banana- or C-shaped protrusions (11) adjacent to each operative cutting corner. The concave side of the protrusion faces in a direction towards the cutting corner. In comparison with corresponding inserts without such a protrusion a better chip control is achieved. Thus, the chip flow is led away from the machined surface both at small and large cutting depths and the chips are broken into suitable lengths.

Abstract: Heat radiation tubes for furnaces and the like heating devices, mainly for industrial processes.Heating can be obtained by electrical heating elements or by combustion for example of gas. The radiation tube is a circular tube having end walls, flanges etc. as required.The radiation tube is a seam-less tube made from iron-chromium-aluminum thereby greatly reducing oxide spalling and enhancing strength thereof at high temperatures. Preferably the tubes are made by extrusion whereby conditions are chosen to provide a rough surface with grooves and ridges which further improves the adhesion of the oxide layer.

Abstract: A furnace for cracking of hydrocarbons, comprising one or several tubes through which the hydrocarbons flow during intensive heating and subsequent cracking. The starting material for the process can be e.g. naphtha or propane, mixed with a small amount of steam. When gases flow through the tube or tubes in the furnace, its temperature is increased up to about 850.degree. C. In order to achieve this, the temperature in the furnace compartment is 1100.degree.-1200.degree. C., and the temperature of the gases in the tubes in the furnace can then exceed 1100.degree. C. The tubes are made from an alloy comprising 15-30 weight % chromium, 3-10 weight % aluminum, the remainder of the composition being mainly iron. This alloy allows significant extension of the possible duration of operation without exchange of the tubes. A further improvement can be achieved by the formation on the inner walls of the tubes of a layer of aluminum oxide, obtained by oxidation of the tubes before the furnace is first used.