how to produce the thermoforme membrane?
it is not very complicated: it is necessary to manufacture the form that one wishes to obtain in wood or resin of carriage-builder (photo on the right), then to stick it on a sheet of paperboard or plywood, and finally to bore it small holes of 1 mm Ensuite, while maintaining the membrane in position (with adhesive), one heats it at good temperature with a thermal gun when it is rather hot, the small folds of surface disappear, and it is then enough to aspire by below (with a vacuum cleaner) and to let cool the whole continuously to aspire Sur the photograph of right-hand side, the black rectangles are pastilles of adhesive doubles face which are used to maintain the membrane in position – they present the defect to function only one or twice, also it should be reloaded with adhesive repositionnable between each operation ttentionhas, this method is valid only with vinyl membranes (pieces taken in disposable gloves), and forms it represented is not appropriate that for transparent pack