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US 11,213,992 B2Granted
Composite preform, method for manufacturing same, composite container, method for manufacturing said composite container, and heat shrinkable plastic member
AssigneeDai Nippon Printing Co., Ltd.
InventorsYusuke Suga, Takuma Miyawaki, Kazuya Hirose, Daichi Hashimoto
Life of this patent
Estimating the term…
Abstract
A method for manufacturing a composite preform is provided, including preparing a preform that is formed from a plastic material, preparing a tubular heat shrinkable plastic member that is longer than the preform and has a margin for thermocompression bonding at one end, inserting the preform into the plastic member having the plastic member undergo thermal shrinkage by heating the preform and the plastic member, and bonding the margin of the plastic member by thermocompression.
Claims34
A method for manufacturing a composite preform, comprising:
- preparing a preform formed from a plastic material and having a mouth portion, a body portion connected to the mouth portion, and a bottom portion connected to the body portion;
- preparing a tubular heat shrinkable plastic member longer than the body portion and the bottom portion of the preform and having a margin for thermocompression bonding at one end;
- inserting the preform into the plastic member;
- having the plastic member undergo thermal shrinkage by heating the preform and the plastic member;
- and
- bonding the margin of the plastic member by thermocompression, wherein one part of the margin is bonded to another part of the margin.
3 more elements
A composite preform comprising:
- a preform having a mouth portion, a body portion connected to the mouth portion, and a bottom portion connected to the body portion;
- and
- a heat shrinkable plastic member that is longer than the body portion and the bottom portion of the preform, the heat shrinkable plastic member having a margin for thermocompression bonding at one end, and
- wherein the plastic member is provided to surround an outside of the preform, and
- wherein one part of the margin of the plastic member is bonded to a another part of the margin by thermocompression.
2 more elements
A composite preform comprising:
- a preform having a mouth portion, a body portion connected to the mouth portion, and a bottom portion connected to the body portion;
- and
- a heat shrinkable plastic member provided to surround an outside of the preform,
- wherein an end portion of the plastic member on the bottom portion side of the preform forms a compression bonding bottom portion by being compression-bonded along a shape of the bottom portion of the preform, and
- wherein one part of the compression bonding bottom portion is bonded to another part of the compression bonding bottom portion.
2 more elements
A method for manufacturing a composite preform, the method comprising:
- preparing a preform having a mouth portion, a body portion connected to the mouth portion, and a bottom portion connected to the body portion;
- preparing a tubular heat shrinkable plastic member that is longer than the body portion and the bottom portion of the preform;
- inserting the preform into the tubular heat shrinkable plastic member;
- heating the preform and the plastic member to cause the plastic member to undergo thermal shrinkage;
- and
- forming a compression bonding bottom portion by performing thermocompression bonding on an end portion of the plastic member on the bottom portion side of the preform along a shape of the bottom portion of the preform,
- wherein one part of the compression bonding bottom portion is bonded to another part of the compression bonding bottom portion.
4 more elements
A method for manufacturing a composite preform, the method comprising:
- preparing a preform formed from a plastic material and having a mouth portion, a body portion, and a bottom portion;
- preparing a tubular heat shrinkable plastic member having one end and the other end, with a first notch portion and a second notch portion respectively formed at positions facing each other at the one end;
- loosely inserting the heat shrinkable plastic member into the preform from the other end side;
- and
- bringing the heat shrinkable plastic member into close contact with an outside of the preform by having the heat shrinkable plastic member undergo thermal shrinkage.
2 more elements
A method for manufacturing a composite preform, the method comprising:
- preparing a preform formed from a plastic material and having a mouth portion, a body portion, and a bottom portion;
- preparing a heat shrinkable plastic member;
- loosely inserting the heat shrinkable plastic member into the preform;
- bringing the heat shrinkable plastic member into close contact with an outside of the preform by having the heat shrinkable plastic member undergo thermal shrinkage;
- and
- forming a first notch portion and a second notch portion respectively at positions facing each other at one end on an open side of the heat shrinkable plastic member.
3 more elements
A composite preform comprising:
- a preform formed from a plastic material and having a mouth portion, a body portion, and a bottom portion;
- and
- a tubular heat shrinkable plastic member provided so as to surround an outside of the preform,
- wherein the heat shrinkable plastic member has a tubular large diameter portion covering at least the body portion of the preform and a reduced diameter ad portion extending outward from the bottom portion of the preform, the reduced diameter portion having a smaller diameter than the large diameter portion, and
- a first notch portion and a second notch portion are respectively formed at positions facing each other in the diameter reduced portion.
2 more elements
A heat shrinkable plastic member mounted so as to surround an outside of a preform, comprising a tubular main body portion having one end and the other end,
- wherein a first notch portion and a second notch portion are respectively formed at positions facing each other at the one end.
Dependencies are inferred from the claim text.