Abstract: The invention relates to a method and a device for sealing a borehole from which oil discharges uncontrolled. Thereby, a hull is filled with cement and the cement mass is lowered around a cone-shaped pipe so that the cone-shaped pipe is simultaneously fixated and also sealed.

Abstract: The invention relates to a wall or roof surface element comprising a temperature barrier layer and an extremely thin external insulating layer. Alternatively, an absorption layer can also be provided on the external side. A building fitted with said type of elements has a positive energy balance.

Abstract: The invention relates to a wall or roof surface element comprising a temperature barrier layer and an extremely thin external insulating layer. Alternatively, an absorption layer can also be provided on the external side. A building fitted with said type of elements has a positive energy balance.

Abstract: The invention relates to a system which can be used to air-condition buildings and other useable areas used by humans, in a completely self-sufficient manner.

Abstract: The invention relates to a method and a device for sealing a borehole from which oil discharges uncontrolled. Thereby, a hull is filled with cement and the cement mass is lowered around a cone-shaped pipe so that the cone-shaped pipe is simultaneously fixated and also sealed.

Abstract: A building is disclosed, with which the air may be guided from a heat reservoir into an interspace, and/or from the interspace into the heat reservoir through conduits.

Abstract: The invention relates to a wall or roof surface element (1) comprising a temperature barrier layer (3) and an extremely thin external insulating layer (5). Alternatively, an absorption layer (6) can also be provided on the external side. A building fitted with said type of elements (1) has a positive energy balance.

Abstract: An energy system for buildings uses solar absorbers, heat exchangers and heat accumulators, and has the following features to improve the thermal balance of the building: the solar absorber has tubes or pipes laid to form meanders between the roofing and an insulating layer arranged thereunder; the solar absorber is subdivided into at least two zones each with its own liquid circulation system; there is arranged below the building a solid heat-accumulator to which heat can be supplied or removed using embedded tubes or pipes; the heat accumulator is subdivided into at least two zones, i.e.

Abstract: Described is a process for producing heat-insulated panels for the large-scale panel method of construction, which can be used for the production of load-bearing and non-load-bearing walls and supporting walls. The process is characterised in that firstly a hard foam panel (5) is put on to or extruded on to at least one flat table (1), thereafter place-reserving devices in the form of frames or the like for for production of door, window and other openings (8, 14, 16, 18) and inner hollow chambers are put in accurately positioned relationship on to the hard foam panel, then the remaining free surfaces of the hard foam panel (5) are provided with connecting members (12) and preferably fixed by bonding agent and/or preferably undercut grooves are provided in the region of the free surfaces. A concrete layer (11) is then cast and compacted on to the hard foam panel (5) which is provided with an outer boundary means.

Abstract: Described is a fastening element for sheathing and thermal insulation components (1) of hard foam material, in particular for the cladding concrete method of construction, which has a plate (6) which can be fixed to the hard foam material component (1) and is provided with extending fastening means (11). The plate (6) is desirably made from concrete and has a groove-and-tongue arrangement (7, 8) which co-operate with corresponding grooves (3) and tongues (4) on the component (1) so that the fastening elements (2) is fixed to the component (1) in such a manner as to be adjustable in respect of height.

Abstract: In a formwork assembly for concrete wall structures side wall portions are provided at their edges with grooves and projections engageable therein for securing side wall portions together in a proper position, with the side wall portions being connected by connecting members and possibly end wall portions as required. On their inside surface, each side wall portion has engagement means to which the connecting members can be secured in the appropriate position. The engagement means may be formed by interengaging recesses and raised portions, ball portions and ball-receiving sockets or shallow detent grooves. Adhesive may also be employed for additional strength. The side wall portions may be used as insulating panels for walls, roof and floors.

Abstract: Leather waste is cut up into strips or portions and then subjected to working in order to break up the strips or portions into fine material and individual fibers, the fibers then being separated from the fine material. Alternatively, the strips or portions may be worked in order to loosen cohesion between the fibers, thereby producing bunches thereof. The bunches are at least partially broken up into individual fibers by means of a solvent which is then removed. Additives may be added in order to impart further properties to the material.