Blow molding method, composite preform, composite container, inner label member, and plastic member
AssigneeDai Nippon Printing Co., Ltd.
InventorsTakuma MIYAWAKI, Yusuke SUGA, Mariko ICHINOSE
Life of this patent
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Abstract
First, a composite preform 70 including a preform 10a and a plastic member 40a in close contact with the outer surface of the preform 10a is made by preparing the preform 10a made of plastic material and arranging the plastic member 40a to surround the outer surface of the preform 10a. Subsequently, the composite preform 70 is heated and inserted in a blow molding die 50 and undergoes blow molding in the blow molding die 50, by which the preform 10a and the plastic member 40a of the composite preform 70 are inflated integrally and a composite container 10A is obtained.
Claims10
A composite preform comprising:
- a preform which is made of plastic material;
- and
- a plastic member which is arranged to surround the outer surface of the preform;
- wherein the plastic member is set in close contact with the outer surface of the preform.
A plastic member which is used for making a composite container including a container body and the plastic member in close contact with the outer surface of the container body by arranging the plastic member to surround the outer surface of a preform and heating the plastic member integrally with the preform,
- wherein the plastic member includes a trunk part in a tubular shape which covers at least a trunk part of the preform.
Dependencies are inferred from the claim text.