Abstract: A method in a pressing arrangement is disclosed. The pressing arrangement comprises a pressure vessel arranged to hold pressure medium therein during use of the pressing arrangement, the pressure vessel including a treatment region therein, wherein the treatment region is arranged to accommodate at least one article. The pressing arrangement comprises at least one controllable pressure medium supplying device configured to transport pressure medium during a cooling phase from another region in the pressing arrangement to the treatment region, wherein the temperature of the pressure medium in the other region is lower than the temperature of the pressure medium in the treatment region during at least part of the cooling phase. The method includes adjusting at least one operational parameter of the at least one controllable pressure medium supplying device, to adjust the pressure medium supplying rate thereof.

Abstract: A method for a press apparatus is disclosed. The press apparatus comprises a pressure vessel including a heat insulated casing, within which at least one article is arrangeable. The press apparatus is configured to subject at least one article, which is or can be arranged within the heat insulated casing, to treatment. The method comprises, prior to carrying out the treatment of the at least one article using the press apparatus, heating at least a part or portion of the heat insulated casing using at least one heating means such that any amount of moisture present in or on the at least a part or portion of the heat insulated casing is reduced. Subsequently to the heating of the at least a part or portion of the heat insulated casing, the treatment of the at least one article using the press apparatus is carried out.

Abstract: A method in a pressing arrangement is disclosed. The pressing arrangement comprises a pressure vessel arranged to hold pressure medium therein during use of the pressing arrangement, the pressure vessel including a treatment region therein, wherein the treatment region is arranged to accommodate at least one article. The pressing arrangement is arranged so that pressure medium can enter and exit the treatment region. The pressing arrangement comprises at least one controllable pressure medium supplying device configured to transport pressure medium during a cooling phase from another region in the pressing arrangement to the treatment region, wherein the temperature of the pressure medium in the other region is lower than the temperature of the pressure medium in the treatment region during at least part of the cooling phase. At least one value indicative of at least one temperature in the pressure vessel is obtained.

Abstract: A pressing arrangement includes a pressure vessel comprising a furnace chamber. The furnace chamber comprises a load compartment arranged within the furnace chamber. The furnace chamber comprises at least one pressure medium guiding passage in fluid communication with the load compartment to form an inner convection loop, wherein pressure medium in the inner convection loop is guided through the load compartment and through the at least one pressure medium guiding passage and back to the load compartment, or vice versa. The pressure vessel comprises at least one adjustable throttle configured to selectively impede or obstruct pressure medium flow in at least a portion of the at least one pressure medium guiding passage, thereby selectively selectively impeding or obstructing a flow of pressure medium in the inner convection loop.

Abstract: A pressing arrangement (100) is disclosed. The pressing arrangement (100) comprises a pressure vessel (2) comprising a pressure cylinder (1), a top end closure (3) and a bottom end closure (9), a furnace chamber (18) for heating a pressure medium, a plurality of guiding passages (10, 11, 13), a load compartment (19) configured for holding at least one article to be treated, and at least one flow generator (30, 32) for circulating pressure medium within the pressure vessel. The pressing arrangement further comprises a heat exchanging element (170) arranged in the top end closure or in the bottom end closure. The heat exchanging element comprises at least one passage for allowing a flow of pressure medium through the heat exchanging element, and at least one circuit for allowing a circulation of cooling medium within the at least one circuit for a cooling of the pressure medium.

Abstract: A pressing arrangement is disclosed, including a pressure vessel, a pressure medium supplying device configured to output a flow of pressure medium, and a pressure medium accumulator. In an embodiment, the pressure medium accumulator is positioned intermediate the pressure vessel and the pressure medium supplying device.

Abstract: A press apparatus includes a pressure vessel arranged to hold pressure medium therein during use of the press apparatus. The pressure vessel includes a top end closure and a bottom end closure. A furnace chamber is arranged within the pressure vessel so that pressure medium can enter and exit the furnace chamber, the furnace chamber at least in part defining a treatment space arranged to accommodate at least one article. The press apparatus includes at least one outer convection loop pressure medium guiding passage in fluid communication with the furnace chamber and arranged to form an outer convection loop within the pressure vessel. The outer convection loop is arranged to guide the pressure medium after having exited the furnace chamber in proximity to an inner surface of one or more wall(s) of the pressure vessel to a space between the furnace chamber and the bottom end closure.

Abstract: There is provided an arrangement and method for handling a load for isostatic pressure treatment in a high-pressure arrangement. The arrangement comprises a transportation unit arranged in a first space, wherein the transportation unit is configured for horizontal transportation of a pressure vessel comprising the load into the high-pressure arrangement before pressure treatment of the load, and out of the high-pressure arrangement after pressure treatment of the load, respectively. The arrangement further comprises an elevator unit vertically operable between the first space and a second space provided below the first space, wherein the elevator unit is configured to lift the load from the second space into the pressure vessel before pressure treatment of the load, and to lower the load from the pressure vessel to the second space after pressure treatment of the load, respectively.

Abstract: Pressing arrangement (100) comprising a pressure vessel (1, 16, 17) and a furnace chamber (18) arranged therein defining a treatment region for an article (5), the treatment cycle including a cooling phase. The pressing arrangement (100) comprises a fan (35) configured to circulate a pressurised gas within the pressure vessel (1, 16, 17) and a heating device (36) for heating the pressurised gas in the treatment region. It further comprises a control and processing module (6) configured to, during the cooling phase: obtain temperature values in the treatment region; based on these values, determine a cooling power for cooling of the pressurised gas in the treatment region; determine a difference between a cooling power required to obtain a selected value of cooling rate of the pressurised gas and the determined cooling power; and based on this difference, control the fan's (35) rotational speed so as to make the difference decrease.

Abstract: A process and a system for forming of a workpiece using a press including a pressure generator, a forming tool, and an at least in part elastically deformable element, are disclosed. At least one of the workpiece or the forming tool is heated, and the workpiece is formed using the press so as to obtain a formed workpiece. The heating of at least one of the workpiece or the forming tool is such that the temperature of the at least one of the workpiece or the forming tool during the forming of the workpiece by way of forming pressure generated by the pressure generator is higher than the ambient temperature.

Abstract: A pressing arrangement (100) is disclosed. The pressing arrangement (100) comprises a pressure vessel (2) and a furnace chamber (18) arranged within the pressure vessel (2). The furnace chamber (18) is at least partly enclosed by a heat insulated casing (6, 5 7, 8) and arranged so that pressure medium can enter and exit the furnace chamber (18). The pressing arrangement (100) comprises a plurality of pressure medium guiding passages (10, 11) in fluid communication with the furnace chamber (18) and arranged to form an outer cooling loop within the pressure vessel (2). The pressing arrangement (100) comprises a heat absorbing element (20) which is arranged within the pressure vessel (2) and which is 10 configured to absorb heat from pressure medium having exited the furnace chamber (18).

Abstract: A method in a pressing arrangement is disclosed. The pressing arrangement comprises a pressure vessel arranged to hold pressure medium therein during use of the pressing arrangement, the pressure vessel including a treatment region therein, wherein the treatment region is arranged to accommodate at least one article. The pressing arrangement is arranged so that pressure medium can enter and exit the treatment region. The pressing arrangement comprises at least one controllable pressure medium supplying device configured to transport pressure medium during a cooling phase from another region in the pressing arrangement to the treatment region, wherein the temperature of the pressure medium in the other region is lower than the temperature of the pressure medium in the treatment region during at least part of the cooling phase. At least one value indicative of at least one temperature in the pressure vessel is obtained.

Abstract: A method (100) for pressing at least one article in an arrangement as well as a pressing arrangement (500). The method comprises providing an article inside a load compartment and feeding a pressure medium into the pressure vessel and increasing (140) the pressure in the load compartment; increasing (120) the temperature and maintaining (150) the increased temperature and the increased pressure for selected periods of time (t1, t2); changing (170) the temperature from the first predetermined temperature level to a second predetermined temperature level (T2); feeding (180) a carbon-containing gas into the pressure vessel; maintaining (190) the second predetermined temperature level for a selected period of time (t3); reducing (200) the temperature in the load compartment; and discharging (210) the pressure medium from the pressure vessel and reducing (220) the pressure in the load compartment.

Abstract: A method for processing at least one article in a pressing arrangement is provided. The method comprises the steps of: increasing the temperature in the load compartment by the at least one heating element in the furnace chamber; maintaining the increased temperature at a predetermined temperature level, T1, for a selected period of time, t1; and during the steps of increasing the temperature and maintaining the increased temperature, circulating the pressure medium within the pressure vessel by the at least one flow generator.

Abstract: A pressing arrangement (100) is disclosed. The pressing arrangement (100) comprises a pressure vessel (2) comprising a pressure cylinder (1). a top end closure (3) and a bottom end closure (9), a furnace chamber (18) for heating a pressure medium, a plurality of guiding passages (10, 11, 13), a load compartment (19) configured for holding at least one article to be treated, and at least one flow generator (30, 32) for circulating pressure medium within the pressure vessel. The pressing arrangement further comprises a heat exchanging element (170) arranged in the top end closure or in the bottom end closure. The heat exchanging element comprises at least one passage for allowing a flow of pressure medium through the heat exchanging element, and at least one circuit for allowing a circulation of cooling medium within the at least one circuit for a cooling of the pressure medium.

Abstract: A method for processing at least one article in a pressing arrangement is provided. The method comprises the steps of: increasing the temperature in the load compartment by the at least one heating element in the furnace chamber; maintaining the increased temperature at a predetermined temperature level, T1, for a selected period of time, t1; and during the steps of increasing the temperature and maintaining the increased temperature, circulating the pressure medium within the pressure vessel by the at least one flow generator.

Abstract: A method (100) for pressing at least one article in an arrangement as well as a pressing arrangement (500). The method comprises providing an article inside a load compartment and feeding a pressure medium into the pressure vessel and increasing (140) the pressure in the load compartment; increasing (120) the temperature and maintaining (150) the increased temperature and the increased pressure for selected periods of time (t1, t2); changing (170) the temperature from the first predetermined temperature level to a second predetermined temperature level (T2); feeding (180) a carbon-containing gas into the pressure vessel; maintaining (190) the second predetermined temperature level for a selected period of time (t3); reducing (200) the temperature in the load compartment; and discharging (210) the pressure medium from the pressure vessel and reducing (220) the pressure in the load compartment.

Abstract: A pressing arrangement is disclosed, including a pressure vessel, a pressure medium supplying device configured to output a flow of pressure medium, and a pressure medium accumulator. In an embodiment, the pressure medium accumulator is positioned intermediate the pressure vessel and the pressure medium supplying device.

Abstract: A pressing arrangement is disclosed, including a pressure vessel comprising a furnace chamber. The furnace chamber comprises a load compartment arranged within the furnace chamber and is arranged so as to allow for a flow of pressure medium through the load compartment. The furnace chamber comprises at least one pressure medium guiding passage in fluid communication with the load compartment so as to form an inner convection loop, wherein pressure medium in the inner convection loop is guided through the load compartment and through the at least one pressure medium guiding passage of the furnace chamber and back to the load compartment, or vice versa. The pressure vessel comprises at least one adjustable throttle configured to selectively impede or obstruct pressure medium flow in at least a portion of the at least one pressure medium guiding passage of the furnace chamber, thereby selectively impeding or obstructing a flow of pressure medium in the inner convection loop.

Abstract: A pressing arrangement (100) is disclosed. The pressing arrangement (100) comprises a pressure vessel (2) and a furnace chamber (18) arranged within the pressure vessel (2). The furnace chamber (18) is at least partly enclosed by a heat insulated casing (6, 5 7, 8) and arranged so that pressure medium can enter and exit the furnace chamber (18). The pressing arrangement (100) comprises a plurality of pressure medium guiding passages (10, 11) in fluid communication with the furnace chamber (18) and arranged to form an outer cooling loop within the pressure vessel (2). The pressing arrangement (100) comprises a heat absorbing element (20) which is arranged within the pressure vessel (2) and which is 10 configured to absorb heat from pressure medium having exited the furnace chamber (18).