Abstract

Fiber-reinforced balloon materials are being re-considered for balloon construction, this time using polyethylene films as the gas barrier rather than Mylar. To effectively use such materials, a high-strength gore seam is demanded. Ideally, fibers would be joined directly between gore panels. A yarn splicing tool, as currently used in the textile industry, has been evaluated for this application. The goals addressed in this project were to determine joint strengths of fibers in various make-ups, including single yarns and simulated multi-yarn gore samples. The concept of end-to-end splices has been shown to be strong, reliable, and fast. Demonstrated seam strengths and projected machine capabilities point to an effective and economical manufacturing process for new reinforced balloon materials.

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