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A - Betong AB Patents
Assignee:
A - Betong AB
Address:
Vaxjo, SE
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
D253491 Sealing stripe for a level crossing between a road and a railroad November 20, 1979
D253250 Center plate for a level crossing between a road and a railroad October 23, 1979
D253249 Side plate for a level crossing between a road and a railroad October 23, 1979
D253230 Railroad crosstie for level crossing between a road and a railroad October 23, 1979
D246056 Concrete sleeper block October 11, 1977
4522367 Matrix array for manufacturing concrete sleeper blocks June 11, 1985
A method of manufacturing railway switch-point concrete sleeper blocks of varying lengths and having different number of attachment means located in mutually different positions for the attachment of rails. A plurality of steel matrix plates 102 whose respective lengths correspond to the
4495127 Method of manufacturing concrete sleeper blocks January 22, 1985
A method of manufacturing railway switchpoint concrete sleeper blocks of varying lengths and having different number of attachment means located in mutually different positions for the attachment of rails. A plurality of steel matrix plates 102 whose respective lengths correspond to the
4481293 Method for the production of methane November 6, 1984
Method for producing methane by first heating and mixing an organic substrate to 70.degree. C. and cooling same with fresh substrate to 50.degree.-60.degree. C. in an antechamber, transferring same to a processing chamber in the presence of methane-producing anaerobic microorganisms
4437017 Arrangement for hydroelectric power plants March 13, 1984
Hydroelectric power plant containing a flow tube for the water, an inlet tube leading to the flow tube and a discharge tube leading from the flow tube. In the flow tube a turbine is arranged to be driven by the flowing water and which via a drive shaft drives an electric generator. A
4415120 Device for sleepers for railway tracks November 15, 1983
A device for sleepers for railway tracks, which sleepers (6) are adapted to support a number of rails (5) which are situated in a crossover point with an adjacent roadway. The device includes an element (28) with an underside which is adapted to rest, preferably via an intermediate layer
4332118 Method and support for angularly adjusting a building element June 1, 1982
In a method of angularly adjusting the position of a building element on a support element, such as a beam (2) on a pillar (1), there is inserted between the mutually facing surfaces of said elements an insert (3) which is operative to transfer pressure from the building element to the s
4290991 Method of manufacturing concrete sleeper blocks and a matrix array for carrying out the method September 22, 1981
In a method of manufacturing for a railway switch-point concrete sleeper blocks (15') of varying lengths and having different number of attachment means (15'b) located in mutually different positions for the attachment of rails to said blocks there is used a plurality of steel matrices (
4236670 Arrangement at a railroad crossing December 2, 1980
An arrangement at crossings between a road and a railway. Between the rails and the respective edges of the road structure and between the rails are arranged first and second slabs level at their top surfaces with the top surfaces of the rails and the top surfaces of the road structure.
4201711 Method of manufacturing prestressed construction elements in a long mould bed May 6, 1980
In a method of manufacturing consecutive pre-tensioned concrete elements, e.g. concrete sleepers, in a long mould bed, reinforcement ropes are tensioned and closure members are placed between different elements. Prior to casting closure members which are so formed that two or more cast
4178338 Method of casting thin-walled, hollow concrete posts December 11, 1979
In a method of casting in a horizontal mould a hollow, reinforced tapering concrete post having a thin wall and particularly a length exceeding 10 to 15 m, there is placed in the mould a tapering reinforcing cage or basket in which a core, e.g. a steel core, is inserted to form a substan
4150475 Method of manufacturing a reinforcing cage for a concrete post, and a fixture for carrying out t April 24, 1979
In a method of manufacturing a reinforcing unit in the form of a cage or basket for a concrete post, the reinforcing rods are placed on pivotable, concave support arms in a fixture so as to form two separate concave parts of the finished unit. Support rings are then secured along said pa

 
 
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