Salzgitter Mannesmann Line Pipe GMBH Patent applications |
Patent application number | Title | Published |
20130063590 | METHOD AND APPARATUS FOR MEASUREMENT OF THE PROFILE GEOMETRY OF CYLINDRICAL BODIES - A two-dimensional light-section method for measuring the profile geometry of cylindrical bodies is disclosed. A fan-shaped laser line forming a light-section line on the surface of the body is imaged with at least one laser, and the laser radiation reflected from the surface of the body is captured by at least one area imaging camera, wherein the laser and the camera are arranged at a triangulation angle in a normal plane aligned with the cylinder axis. The profile geometry is then measured by pivoting the laser out of the normal plane about the cylinder axis. The angle with respect to the normal plane is selected such that the optical axis of the area imaging camera with respect to the surface of the cylinder is located within the glancing angle range of the reflected beams. | 03-14-2013 |
20120318064 | METHOD FOR TESTING CONNECTIONS OF METAL WORKPIECES TO PLASTIC COMPOUNDS FOR CAVITIES BY MEANS OF ULTRASOUND - The invention relates to a method for testing connections of metal workpieces to plastic compounds for cavities by means of ultrasound, wherein the plastic compound is arranged between the workpiece as an intermediate layer or is connected to the workpiece on one side and the cavity is located within the plastic compound, wherein the cavity is connected to the workpiece by means of a remaining plastic layer or plastic skin and wherein the plastic compound is exposed to ultrasonic signals of a certain test frequency and pulse length from the metal side of the workpiece by means of at least one ultrasonic probe, and in particular the ultrasonic signals reflected by flaws in the plastic compound are detected by the same or another ultrasonic probe and converted into electrical signals that can be evaluated and subjected to a threshold observation. The test frequency of the ultrasonic signals is set in a range of 1 to 10 MHz so that the attenuation of the sound is minimal after passing through the plastic skin. | 12-20-2012 |
20120257932 | POLYAMIDE-SHEATHED STRUCTURAL STEEL TUBES FOR OFFSHORE STRUCTURES - The foundation structure of an offshore structure, for example of an offshore wind energy system, is composed of steel tubes sheathed by an extruded layer made of a polyamide moulding composition. This simultaneously ensures both good protection from corrosion and good protection from mechanical effects, giving the foundation structure markedly prolonged lifetime. | 10-11-2012 |
20120137779 | ULTRASONIC PROBE - The invention relates to an ultrasonic probe for the non-destructive testing of metal work pieces, particularly pipes, for transverse defects, comprising a row-shaped arrangement of oscillator elements located on a lead wedge for coupling to the work piece. According to the invention, the lead wedge is designed as a wedge-shaped hollow body, which is filled with fluid and the wedge angle of which is a maximum of 24, and which is arranged on the work piece such that the intromission angle into the work piece is a maximum of 70. | 06-07-2012 |
20120000541 | USE OF A CONDUIT PIPE FOR PRODUCING A DUCT LAID IN WATER - A metal conduit pipe, which is covered with an extruded layer made of polyamide moulding compound, is used to produce a duct laid in water, wherein in the course of laying the duct, the coating is exposed to a shearing pressure load and/or a bending load due to laying method selected. | 01-05-2012 |
20100300572 | ENCASED PIPELINE - A pipeline laid trenchlessly and/or without a sand bed is produced using a metallic conduit which is encased with an extruded layer of a polyamide moulding material. In this way, the durability of the outer shell required for trenchless laying techniques without a sand bed is ensured. | 12-02-2010 |