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COMPOSITE TWO-LAYER PREFORM, METHOD AND DEVICE OF ITS FABRICATION, METHOD OF MAKING BAD-IN-CONTAINER PACKAGE BY BLOW MOULDING AND BAG-IN-CONTAINER PACKAGE THUS MADE
COMPOSITE TWO-LAYER PREFORM, METHOD AND DEVICE OF ITS FABRICATION, METHOD OF MAKING BAD-IN-CONTAINER PACKAGE BY BLOW MOULDING AND BAG-IN-CONTAINER PACKAGE THUS MADE
FIELD: process engineering.;SUBSTANCE: this invention relates, mainly, to composite two-layer performs suitable for making bag-in-container packages by blow moulding, to method of producing said performs and to bag-in-container package. Proposed preform comprises inner and outer layers. Note here that preform makes two-layer container by blow moulding. Inner layer thus made is separated from outer layer made in a similar way by feeding gas at joint between said layers. Note here that inner layer melting point exceeds or equals that of outer layer.;EFFECT: expanded performances, better quality of containers.;19 cl, 2 dwg, 1 ex
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机译:技术领域本发明主要涉及适用于通过吹塑法制造容器中袋包装的复合两层包装物,生产所述包装物的方法和容器中袋包装。提议的预成型件包括内层和外层。请注意,瓶坯通过吹塑成型制成两层容器。这样制得的内层通过以类似方式通过在所述层之间的接合处供入气体而与外层分离。注意这里的内层熔点超过或等于外层的熔点。效果:扩展的性能,更好的容器质量。19 cl,2 dwg,1 ex
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