Importance

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Abstract

A winder includes a winding mechanism, a chamber, a vacuum pump, a conveying route and a product case. The winding mechanism winds a belt-shaped raw film around a winding core, the belt-shaped raw film being composed of a plurality of electrodes and a plurality of separating films. The chamber houses the winding mechanism. The vacuum pump sucks air into the chamber. The conveying route has a sealed outer space outside the chamber, an inner space of the chamber leading to the outer space in the conveyance route. The product case is disposed in the conveying route to house a plurality of winding products each formed by winding the raw film with use of the winding mechanism.

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First Claim