Machines and processes that shape plastics and fiber reinforced composites by forcing material into a mold, including the injection molding machine, which makes plastic products by injection molding, and resin transfer molding, one of the out of autoclave ways to make composite parts without a high pressure oven. An invention belongs here when the cited article describes it as a machine or process for molding plastics or composites. It excludes metal casting, which has its own group.
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Plastics and Composites Moulding
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Wikipedia: Blow molding
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Blow molding (or moulding) is a manufacturing process for forming hollow plastic parts.
Pultrusion - Wikipedia
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Pultrusion is a continuous process for manufacture of fibre-reinforced plastics with constant cross-section.
Filament winding (Wikipedia)
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Filament winding is a fabrication technique mainly used for manufacturing open (cylinders) or closed end structures (pressure vessels or tanks).
Injection molding machine (Wikipedia)
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is a machine for manufacturing plastic products by the injection molding process
Out of autoclave composite manufacturing (Wikipedia)
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is an alternative to the traditional high pressure autoclave
Ansini: Vacuum Forming History
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The very first thermoforming patents were then filed by H.L Helwig of the Rohm & Hass Company, as well as R.E. Leary, who was an engineer at DuPoint.
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