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Angular resin container and blow molding die
US9382029B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9382029-B2 |
| Application number | US-201414258370-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 22, 2014 |
| Priority date | Nov 9, 2011 |
| Publication date | Jul 5, 2016 |
| Grant date | Jul 5, 2016 |
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- Title
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Abstract
Official abstract text for this publication.
Provided are an angular resin container, which while being thin, retains excellent appearance in respect of luster, transparency or the like, as well as a blow molding die for subjecting the container to biaxial stretch blow molding. Biaxial stretch blow molding is conducted with a blow molding die having a scallop height for the surface of the blow molding die, that corresponds to the side wall part of the body part of the angular resin container, of 3 to 30 μm, thereby to obtain an angular resin container having a thickness of the body part of 0.5 mm or less and in which a horizontally-directed processed part having a depth of 3 to 30 μm is formed on the outer surface of the side wall part of the body part.
First claim
Opening claim text (preview).
The invention claimed is: 1. A blow molding die for subjecting an angular resin container having a thickness of a body part of 0.5 mm or less to biaxial stretch blow molding, comprising: a cavity that forms a shape of the angular resin container; and a parting surface in a height direction of the body part, wherein a surface of the cavity that corresponds to a side wall part of the body part comprises processing marks formed by a ball end mill, wherein a scallop height of the processing marks is 3 to 30 μm, wherein a distance between adjacent tops in the scallop height is 0.1 to 1.0 mm, and wherein the processing marks extend in a direction of cutting by the ball end mill and cross orthogonally to the height direction.
Assignees
Inventors
Classifications
Blow-moulding apparatus · CPC title
Mould cavity geometry · CPC title
Moulds · CPC title
Biaxial stretching during blow-moulding · CPC title
Bottles · CPC title
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Frequently asked questions
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- What does patent US9382029B2 cover?
- Provided are an angular resin container, which while being thin, retains excellent appearance in respect of luster, transparency or the like, as well as a blow molding die for subjecting the container to biaxial stretch blow molding. Biaxial stretch blow molding is conducted with a blow molding die having a scallop height for the surface of the blow molding die, that corresponds to the side wal…
- Who is the assignee on this patent?
- Toyo Seikan Group Holdings Ltd, Toyo Seikan Group Holdings Ltd
- What technology area does this patent fall under?
- Primary CPC classification B65D1/40. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jul 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).