Air trap

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a contrivance for shutting off foul air or gas from drains, sewers, etc.; a stench trap.

See also: Air

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Since we used pre-fabricated structure with hot air trap in the middle, we created a positive pressure of cool air so that hot air rises and is naturally exhausted from louvers placed at the centre and sides of the hall.
Air trap: You can purchase an air trap from a beer/wine making shop or through a mail-order supplier, or you can make your own.
A weld line or air trap will occur at the point in an element that is filled last and has the highest value.
Tenders are invited for Manufacturing, Procurement of materials and bought out components, Assembly at shop, Inspection including inspection by tpia, Testing at manufacturers works, Packing, Supply of the air trap for bs-iv project at iocls barauni refinery.
Valuable results including Moldflow's unique "Confidence of Fill" plot, which provides an indication of the ease or difficulty of filling a part with melted plastic; a fill time plot for visualizing the flow of molten plastic through the part; injection pressure and flow front temperature distribution plots; and weld line and air trap location predictions;
It showed up clearly as an air trap and knit line on the end of the boss exactly where the blemish was on the molded sample.
This automotive parts supplier approached Jada Plastics with a troublesome part, a decorative component for an automotive wiper system, which contained an inherent air trap, causing the scrap rate.
For example, a click on an air trap depicted in the results of the moldability analysis brings up a window full of information on causes of and solutions to air-trap problems.

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