Manufacturing method and manufacturing apparatus for delamination container

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12208558
APP PUB NO 20230158728A1
SERIAL NO

17917411

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Importance

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Abstract

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In a manufacturing method for a delamination container, in a first injection molding, a first recess portion is formed by a first protrusion portion in at least part of a first layer. In a second injection molding, a second recess portion which penetrates the first layer and through which a surface of a second layer is exposed is formed in a preform by inserting a second protrusion portion into the first recess portion. During a blow molding, the second recess portion is stretched to form an air introduction hole in an outer layer of the delamination container.

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Patent Owner(s)

Patent OwnerAddress
NISSEI ASB MACHINE CO LTD4586-3 KOO KOMORO-SHI NAGANO 3848585 ?3848585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oike, Toshiteru Nagano, JP 16 8
Takehana, Daizaburo Nagano, JP 24 36
Tsuchiya, Yoichi Nagano, JP 68 569

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