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Patent Searching and Data


Title:
DELAMINATION CONTAINER MANUFACTURING METHOD AND MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/206082
Kind Code:
A1
Abstract:
This delamination container manufacturing method comprises a first injection molding step for forming a first depression using a first protrusion in at least a portion of a first layer. A second injection molding step is for inserting a second protrusion into the first depression to form a second depression in a preform, the second depression passing through the first layer and exposing the surface of a second layer. A blow molding step is for stretching the second depression to form an air inlet hole in an outer layer of the delamination container.

Inventors:
OIKE TOSHITERU (JP)
TSUCHIYA YOICHI (JP)
TAKEHANA DAIZABURO (JP)
Application Number:
PCT/JP2021/014602
Publication Date:
October 14, 2021
Filing Date:
April 06, 2021
Export Citation:
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Assignee:
NISSEI ASB MACHINE CO LTD (JP)
International Classes:
B29C45/16; B29C49/06; B29C49/22; B29C49/42
Attorney, Agent or Firm:
TAKAOKA Ryoichi et al. (JP)
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