Zippe’s Vibrotube batch charger has been officially patented by European Patent no. EP2894131.

The patent was filed on 25.09.2014 and is already valid for 38 states.

The features of this patent are the conveying of glass batch by vibratory tubes that counteract abrasion, a completely sealed doghouse, and the creation of small batch piles by servo driven and sealed linear pusher elements.

First installations show a substantial reduction of energy consumption and high reliability.