Blocks and building system for the construction of lifesize inflatable play structures

This invention describes a system for building large inflatable play structures using individual inflatable blocks. Each block is shaped like a cylinder with a regular polygonal cross-section, and they connect using special rotating joints that keep their sides aligned. The claims narrow this to a specific design using hook-and-loop fasteners on flap and strap connectors with a cruciate mount.

Why it matters: Automated fabric cutting and welding technologies have advanced significantly since 2004, potentially reducing the cost and complexity of manufacturing these custom inflatable shapes and their specific hook-and-loop connectors.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedCustom inflatable shapes, fabric welding, rotating joints, specific connectors.

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