ATL/AFP
New Equipment Brings Tape Placement Within Reach Of Smaller Shops
"Right-sized" automated tape laying head is simple and affordable.
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Ukrainian Aerospace Developer Employs Clean Sheet Design
Antonov designs integral torsion boxes for highly loaded tail structures.
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Towpreg Proves Cost-competitive For Wound Pressure Vessels
Design group's new winding option streamlines new pressure vessel development.
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Isotruss offers amazing strength and material savings
The three-dimensional composite truss structure is the lightest and most efficient structural tube available.
Read MoreDesign Issues
Typical FRP pipe is reciprocally filament wound with a fiber angle of ±54.75° relative to the longitudinal (0°) axis. This architecture satisfies stress loads in both the circumferential (hoop) and longitudinal (axial) directions for most pipes and pressure vessels. It withstands the in-use pressure, ther
Read MoreIssues With Design
Though steel is the traditional material for coiled tubing because of its low price, it is susceptible to corrosion, fatigue failure (caused by repeated coiling and uncoiling), and troublesome joints. In larger sizes, its weight can increase transport difficulties. With the advent of secondary recovery methods
Read MoreProven Performance In A Chemical Line Installation
EDO Specialty Plastics (Baton Rouge, La., U.S.A.) filament winds composite pipe and fittings for offshore facilities platforms and rigs. Founded in 1973 as Specialty Plastics and acquired by EDO in 1998, the company manufactures industrial fiberglass piping systems for the chemical, petrochemical and pulp and
Read MoreA Different, All-Composite Approach
Fiberglass Structural Engineering Inc. (FSE, Bellingham, Wash., U.S.A.) has patented its innovative concept for a hybrid fiberglass and steel platform. Approximately 50 percent of the volume of a conventional steel spar hull would be replaced by hollow filament-wound Eglass and vinyl ester tubes, from 10 ft to
Read MoreComposite Accumulator Bottles Perform In Service
A riser tensioning system for a TLP consists of a tensioning ring and framework, with four to eight hydraulic cylinders — each with an attached pressure vessel or “accumulator bottle” — to support and allow movement of the rigid riser pipe. Installed in the riser wellbay, this primary structural system is desi
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