Manufacturing of polyethylene thin films for high-altitude balloons

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United States of America Patent

PATENT NO 11772334
SERIAL NO

17472417

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Abstract

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Aspects of the disclosure relate to manufacturing a balloon envelope for use in a stratospheric balloon system. For instance, a stream of polyethylene mixture us extruded through an extruder in order to orient molecules of polymer chains of polyethylene and to provide an oriented film. The oriented film is passed through an electron beam and thereby crosslinking the polymer chains to provide a cross-linked film. The cross-linked film is heat sealed to form the balloon envelope.

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Patent Owner(s)

  • AEROSTER INTERNATIONAL, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gagne, Jacques Los Gatos, US 48 539
Roach, Kevin Sandpoint, US 43 655

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