Package containing fluid

Patent metadata

Field	Value
Publication number	US-2021284375-A1
Application number	US-201716467257-A
Country	US
Kind code	A1
Filing date	Nov 21, 2017
Priority date	Dec 7, 2016
Publication date	Sep 16, 2021
Grant date	—

Abstract

A package including a container body containing a fluid with leaving a head space, wherein a container body ( 1 ) has an inner surface coated with a lubricating liquid ( 30 ) immiscible with a fluid ( 3 ), and the lubricating liquid ( 30 ) is present as a coating layer interposed between the inner surface and the fluid ( 3 ), the lubricating liquid ( 30 ) forms a liquid pool at a periphery of an upper end face of the fluid ( 3 ) contained in the container body ( 1 ) in a state of being held upright, and a contact angle of the lubricating liquid ( 30 ) to the inner surface is smaller than the contact angle of the fluid ( 3 ) to the inner surface.

First claim

1 . A package including a container body containing a fluid with leaving a head space, wherein
the container body has an inner surface coated with a lubricating liquid immiscible with the fluid, and the lubricating liquid is present as a coating layer interposed between the inner surface and the fluid, the lubricating liquid for forming the coating layer forms a liquid pool at a periphery of an upper end face of the fluid contained in the container body in a state of being held upright, and a contact angle of the lubricating liquid to the inner surface is smaller than the contact angle of the fluid to the inner surface.

2 . The package according to claim 1 , wherein the fluid is a viscous substance having a viscosity of not less than 100 mPa·s at 25° C.

Assignees

• Toyo Seikan Group Holdings Ltd
• Toyo Seikan Kaisha Ltd

Inventors

• Seito Shinya
• Okamoto Kota
• Akutsu Yosuke
• NYUU Keisuke
• Miyazaki Tomoyuki

Classifications

• B65D1/0215 Primary

  multilayered (B65D81/3837 takes precedence) · CPC title

• B65D23/04

  Means for mixing or for promoting flow of contents (hydro-dynamic means for influencing the flow of liquids F15D) · CPC title

• B65D23/02

  Linings or internal coatings · CPC title

• B32B3/30

  characterised by a layer formed with recesses or projections, e.g. {hollows, grooves, protuberances, ribs (apertured layer B32B3/266; layer with cavities or internal voids B32B3/26)} · CPC title

• B65D85/72 Primary

  for edible or potable liquids, semiliquids, or plastic or pasty materials · CPC title