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agru Kunststofftechnik Gesellschaft m.b.H. is a company with global operations [2] in engineering plastics based in Bad Hall, Austria, [3] and was founded in 1948 by Alois Gruber senior. AGRU manufactures and supplies pipeline systems, semi-finished products, concrete protection liners, and geomembranes made of engineered plastics. [3]
Occidental Réplicas (Portugal) - Brand of a plastic plant for home products, that started to build models that were used or in use by the Portuguese armed forces current and past, age of discovery ships naus caravelles etc, spitfire Fiat G-91 fighters and T-6 Texan, and so on, sold several sprues molds to Revell and Italeri for several kits.
Injection mold construction is the process of creating molds that are used to perform injection molding operations using an injection molding machine. These are generally used to produce plastic parts using a core and a cavity. Molds are designed as two-plate or three-plate molds, depending on the type of component to be manufactured.
A bronze casting showing the sprue and risers. A riser, also known as a feeder, [1] is a reservoir built into a metal casting mold to prevent cavities due to shrinkage.Most metals are less dense as a liquid than as a solid so castings shrink upon cooling, which can leave a void at the last point to solidify.
The component-making process involves building up a component on the fiberglass mold. The mold is a negative image of the component to be made, so the fiberglass will be applied inside the mold, rather than around it. As in the mold-making process, release agent is first applied to the mold. Colored gelcoat is then applied.
The cube mold technology is characterized by components that rotate vertically round the axis. The lower section of the mold runs on the machine base and the lower machine tie bars. The top section of the part runs on the upper machine tie bars. In this technology, components are molded within the rotating system at different steps.
One of the company's earliest promos was the 1965 Dodge Coronet. One difference between the Coronet promo and contemporary AMT products was that MPC exhaust systems and rear suspension parts were often highlighted in silver, while AMT's were simply portrayed as detailed one-piece chassis molded the same color as the rest of the car.
Airfix is a British brand and former manufacturing company which produced injection-moulded plastic scale model kits. In the UK, the name 'Airfix' has become practically synonymous with plastic models of this type, "they became a sort of generic name for any plastic, injection-moulded model kit".