Pultrusion is a process that combines materials to create composites with greater strength, using a heated die to shape and harden them. It can create almost any shape and is used in construction and manufacturing. The process was invented by Brant Goldsworthy, who made breakthroughs in composite technology.
Pultrusion is a process designed to combine various materials together in a particular shape. The resulting materials are called composites because they mix different materials for greater strength. For example, pultrusion can be used to combine fiberglass and polyester. The process is called pultrusion, because materials are pulled through a heated die that shapes them as they go and hardens them into a single composite unit. This technique is used to create a wide variety of items needed in fields as diverse as construction and manufacturing.
The pultrusion factory process generally involves a large number of coils of different materials coming from different directions to a single point, which is the heated die. Materials are usually pulled from different directions because this can help make the final product stronger. The actual process used for pultrusion can vary depending on the materials being composited, but it can involve changes in heat while the materials are inside the mold and points in the process where the materials are impregnated with certain resins. Many of the resins used are made to harden permanently after reaching a certain heat, which is why there is careful temperature control within the mold.
The pultrusion method can be used to create almost any shape, unless the dimensions make that shape too unstable with the material being created. The heated mold is technically called a mold and can be thought of as something like a cookie cutter in that it serves the same purpose. It generally needs to create exactly the same shape every time something is pulled through it. The end result generally needs to be reliably the same size and shape, enough to be used in construction or any other precision application.
A man named Brant Goldsworthy invented the pultrusion process and was a major figure in the invention and development of composite material technology. He got the idea of combining various materials together to create stronger plastics while working for an aircraft company that supplied items for the US military during WWII. His creations were so successful that he eventually decided to open his own company, where he made several breakthroughs in composites and created some plastics that were generally stronger than anything previously seen.
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