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    • 4. 发明授权
    • Device for producing extrusion blow-molded containers with at least two chambers
    • 用于生产具有至少两个室的挤压吹塑容器的装置
    • US06749796B1
    • 2004-06-15
    • US09959574
    • 2001-10-30
    • Bernd Hansen
    • Bernd Hansen
    • B29C4904
    • B29C49/0078B29B2911/14346B29C47/0028B29C47/20B29C49/04B29L2031/60
    • A process for producing containers involves a tube and at least one separating partition, both formed from plasticized synthetic material. The partition extends within the tube. The tube and partition are extruded into an opened blow mold. The blow mold is then closed, and the tube is expanded by producing a pressure gradient that acts upon the tube. The pressure gradient is applied to expand the tube against the molding wall of the blow mold to form the container. The end of the tube that is the front end during the extrusion step and the front end of every separating partition are welded together by closing the opened blow mold, thereby closing the base of the container that is linked with every separating partition. The tube is expanded by adding blowing air from the end of the closed blow mold that is opposite to the container base and that is assigned to the container neck in such a manner that the blowing air has an expanding effect on both sides of the separating wall, thereby forming chambers in the container that are separate from one another.
    • 用于生产容器的方法包括管和至少一个由增塑的合成材料形成的分离隔板。 分隔件在管内延伸。 管和隔板被挤压成打开的吹塑模具。 然后关闭吹塑模具,并通过产生作用在管上的压力梯度来膨胀管子。 施加压力梯度以将管子扩张到吹塑模具的模制壁上以形成容器。 在挤出步骤期间作为前端的管的端部和每个分隔部分的前端通过关闭打开的吹塑模具而被焊接在一起,从而封闭与每个分隔分隔件连接的容器的基部。 通过从与容器基座相对的封闭吹塑模具的端部加入吹送空气并将其分配给容器颈部,使得吹风空气在分隔壁的两侧具有膨胀效果而膨胀 从而在容器中形成彼此分开的室。