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US 8,240,349 B2Granted
Perforation-resistant flexible enclosure
OwnerRobert Georges Boulaininventor
Life of this patent
Estimating the term…
Abstract
Flexible enclosure comprising a working strip 2 and sidewalls 3, defining an envelope, and a sealing membrane 11 at least partially lining the envelope. The sealing membrane 11 is comprised of an elastic material 14 and a perforation-resistant reinforcement 15, the sealing membrane 11 being free with regard to the working strip 2 and attached to an opposite edge remote to the working strip 2.
Claims28
A flexible enclosure comprising:
- a working strip (2) and sidewalls (3), the working strip and the sidewalls defining an envelope;
- a sealing membrane (11) which lines at least part of the envelope, the sealing membrane (11) including an elastic material (14) and a perforation-resistant reinforcement (15), and the sealing membrane being movable relative to the working strip and being attached at opposite edges remote from the working strip;
- and
- a plurality of balls (16) arranged in a bed between the working strip and the sealing membrane.
1 more element
A flexible enclosure comprising:
- a working strip (2) and sidewalls (3), the working strip and the sidewalls defining an envelope;
- a sealing membrane (11) which lines at least part of the envelope, the sealing membrane (11) including an elastic material (14) and a perforation-resistant reinforcement (15), and the sealing membrane being movable relative to the working strip and being attached at opposite edges remote from the working strip;
- and
- one or more successive sealing membranes additional to the sealing membrane, each of them lining, at least partially, an inside of the previous sealing membrane, each including an elastic material and a perforation-resistant reinforcement and being freely movable, at least partially, relative to the previous sealing membrane and each of them having a developed length of its meridian progressively greater than that of the previous sealing membrane and being attached to opposite ends of the working strip.
1 more element
A flexible enclosure comprising:
- a working strip (2) and sidewalls (3), the working strip and the sidewalls defining an envelope;
- and
- a sealing membrane (11) which lines at least part of the envelope, the sealing membrane (11) including an elastic material (14) and a perforation-resistant reinforcement (15), the sealing membrane being movable relative to the working strip and being attached at opposite edges remote from the working strip, and the sealing membrane being lubricated relative to the working strip by way of a bed of lubricated micro balls thereby enabling lateral and vertical movement of the sealing membrane.
Dependencies are inferred from the claim text.