Bag Sealer

In the developing world, food sold at markets is often placed in plastic bags, which are then sealed by using a candle. A safer alternative is presented here. The candles are placed inside a wooden box. A simple heat shield is made from a soft drinks, and the bags can be sealed easily using a clamping device. A prototype has produced water-tight seals without the operator coming into contact with the hot plastic.

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Bag sealer plans
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