Polyethelene inflatable tube construction device

Details Polyethelene inflatable tube construction device Polyethelene inflatable tube construction device

1995-01-05

1996-08-20

Mai, Lanna

Static structures (e.g., buildings)

Framing to receive door, doorjamb, or window sash

Retaining feature between frame and reveal

52221, 527363, E04B 134

Patent

active

055467075

ABSTRACT:
The invention is an inflatable tube system, having an inflatable tube in the shape of a cylinder having two ends and a shaft. The tube includes a bladder, made of an elastometer in the shape of a cylinder, and a fabric covering made of woven polyethylene, the fabric covering enclosing the bladder. A pair of end closures sealing the fabric covering at the ends of the cylinder. An air valve extends into the bladder through one of the end closures.

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patent: 4271642 (1981-06-01), Karr
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patent: 5295302 (1981-10-01), Liu
patent: 5421128 (1995-06-01), Sharpless et al.

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