IMPROVED PREFORMS FOR ARTICLES FLAIR

摘要

FIELD: packaging industry.SUBSTANCE: invention relates to preform for liquid dosing device and method of blowing preform. Preform for liquid dosing device comprises inner and outer layer. Inner and outer layers are connected in lower part and in upper part of preform. Inner layer may be freely separated from outer layer where they are connected.EFFECT: invention provides faster moulding of preforms.18 cl, 84 dwg