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US 2023/0091692 A1Published application
Pressurized tube sealing for containers
OwnerCarl David Bodam, Spas Dimitrov Nikolovinventors
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Abstract
A sealed plastic container having an airtight chamber. The container includes an elongated body portion having at least one opening and at least one enclosure portion welded to the opening of the body portion, thereby hermetically sealing the chamber. The chamber may have a pressure above atmospheric pressure. The enclosure portion and the body portion may be biodegradable.
Claims20
A container comprising:
- an elongated body portion comprising a first plastic material, the elongated
- body portion having a first end and a second end, at least the first end being open;
- a first enclosure portion comprising a second plastic material that is welded to the body portion at the first end;
- and
- a hollow interior chamber which is hermetically sealed by the body portion being welded to the first enclosure portion, wherein the hollow interior chamber has an interior pressure that is greater than atmospheric pressure.
2 more elements
The container of claim 12, wherein
- the first enclosure portion is welded to the body portion according to a laser plastic welding process, and
- the laser plastic welding process comprises a through transmission laser welding process.
A method for manufacturing a pressurized container, comprising:
- providing, in a pressurized environment, an elongated body portion for the container comprising a first plastic material, the elongated body portion comprising a first end, a second end, and a hollow interior portion, wherein at least the first end is open;
- providing, in the pressurized environment, a first enclosure portion for the container comprising a second plastic material;
- and
- welding the first enclosure portion to the first end of the body portion thereby hermetically sealing the hollow interior portion.
1 more element
Dependencies are inferred from the claim text.