Products and methods for providing structural strength and form support to ventilation pipes.

Products and methods for providing structural strength and form support to ventilation pipes.

A reinforcing element for a structural profile, in particular for a round, oval or elliptical structural tube. The reinforcing element comprises: a fiber structure which has a hollow-cylindrical, helically wound mesh of fiber strands and forms an inner shell surface formed to receive the structural profile; and a matrix material into which the fiber strands are respectively embedded and which is formed to be shrinkable by heating so that the fiber structure can be fastened to the structural profile with the inner shell surface by heating the matrix material. Also provided are a structural arrangement with such a reinforcing element, an aircraft or spacecraft with such a structural arrangement, as well as a method for producing such a structural arrangement.

A reinforcing element for a structural profile, in particular for a round, oval or elliptical structural tube. The reinforcing element comprises: a fiber structure which has a hollow-cylindrical, helically wound mesh of fiber strands and forms an inner shell surface formed to receive the structural profile; and a matrix material into which the fiber strands are respectively embedded and which is formed to be shrinkable by heating so that the fiber structure can be fastened to the structural profile with the inner shell surface by heating the matrix material. Also provided are a structural arrangement with such a reinforcing element, an aircraft or spacecraft with such a structural arrangement, as well as a method for producing such a structural arrangement.

Spoolable composite pipes for oil and gas flowlines may include an inner extruded tubular liner, a reinforcement layer surrounding the inner extruded tubular liner, and an outer extruded tubular cover surrounding the reinforcement layer. In these spoolable composite pipes, the inner extruded tubular liner may include an aliphatic polyketone. Internally lined pipes for oil and gas flowlines for oil and gas flowlines may include inner extruded tubular liner containing an aliphatic polyketone, and a carbon steel pipe surrounding the inner extruded tubular liner. The spoolable composite pipes and the internally lined pipes may be configured to operate at temperatures of up to about 110° C., and to carry hydrocarbons having an aromatic content of up to about 35% by volume of the total hydrocarbons content.

Spoolable composite pipes for oil and gas flowlines may include an inner extruded tubular liner, a reinforcement layer surrounding the inner extruded tubular liner, and an outer extruded tubular cover surrounding the reinforcement layer. In these spoolable composite pipes, the inner extruded tubular liner may include an aliphatic polyketone. Internally lined pipes for oil and gas flowlines for oil and gas flowlines may include inner extruded tubular liner containing an aliphatic polyketone, and a carbon steel pipe surrounding the inner extruded tubular liner. The spoolable composite pipes and the internally lined pipes may be configured to operate at temperatures of up to about 110° C., and to carry hydrocarbons having an aromatic content of up to about 35% by volume of the total hydrocarbons content.

The invention relates to a pipe having a thermoplastic casing surface and a glass-fibre-reinforced thermo-setting coating surrounding the thermoplastic casing surface. The thermo-setting coating is formed from multiple layers of glass-fibre matting or glass-fibre fabric, or a combination of the two, wherein the layers are applied to the thermoplastic casing surface in a wet-on-wet method using a vinylester, polyester or epoxy resin. According to the invention, an outer layer of the thermo-setting coating is formed from cross-wound glass-fibre fleece or glass-fibre fabric.

A panel clip formed from a clip pre-form and configured for use with insulated, reinforced duct is provided. The panel clip includes a first plurality of gripping teeth formed in a first panel section. A second plurality of gripping teeth is formed adjacent the first plurality of gripping teeth. A first bending zone is positioned adjacent the second plurality of gripping teeth and opposite the first plurality of gripping teeth. A second bending zone is positioned spaced apart from the first bending zone and opposite the second plurality of gripping teeth. A third bending zone positioned spaced apart from the second bending zone and opposite the first bending zone. A distance formed from the first bending zone to the second bending zone is defined by a thickness of a layer of rigid insulation.

A panel clip formed from a clip pre-form and configured for use with insulated, reinforced duct is provided. The panel clip includes a first plurality of gripping teeth formed in a first panel section. A second plurality of gripping teeth is formed adjacent the first plurality of gripping teeth. A first bending zone is positioned adjacent the second plurality of gripping teeth and opposite the first plurality of gripping teeth. A second bending zone is positioned spaced apart from the first bending zone and opposite the second plurality of gripping teeth. A third bending zone positioned spaced apart from the second bending zone and opposite the first bending zone. A distance formed from the first bending zone to the second bending zone is defined by a thickness of a layer of rigid insulation.

The invention relates to a pipe having a thermoplastic casing surface a glass-fibre-reinforced thermo-setting coating surrounding the thermoplastic casing surface. The thermo-setting coating is formed from multiple layers of glass-fibre matting or glass-fibre fabric, or a combination of the two, wherein the layers are applied to the thermoplastic casing surface a wet-on-wet method using a vinylester, polyester or epoxy resin. According to the invention, an outer layer of the thermo-setting coating is formed from cross-wound glass-fibre fleece or glass-fibre fabric.