Pressing bags are cushion- or flat-form products for closing moulds for pressing ceramic goods, squeezing wine from grapes or are used in dairy industry when processing milk in hard cheese production process. The basic line of pressing bags is applied to close moulds in the process of forming products, e.g. for the automotive industry etc.
The principle is induction of compression force in vacuum by means of compressed air under whose action the products are formed in a required way. The bags are made from several types of rubber compounds according to application and reinforced with textile fibres.