US PATENT SUBCLASS 52 / 2.13
.~ Confined tubular element exerts force

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

2.11  DF  SHAPED OR STRENGTHENED BY FLUID PRESSURE {11}
2.13.~ Confined tubular element exerts force {1}
2.14  DF  .~.~> For sealing a closure panel

DEFINITION

Classification: 52/2.13

Confined tubular element exerts force:

(under subclass 2.11) Structure wherein the building structure or component comprises a tubular element which is located between two, relatively rigid members and which, when inflated, develops an outward force against the members.

(1) Note. In some instances, both of the member are fixed, but, in other instances, at least one of the members is intended to have some degree of movement.