Expansible fabric for fluid dispensing application
AssigneeE. I. Du Pont de Nemours and Company
InventorsJohn Rayford Fowler, Edward Merrick Hogan
Life of this patent
Estimating the term…
Abstract
A fabric in a tubular shape is provided suitable for slipping over an expansible member which can be filled with fluid to thereby expand the expansible member and the tubular shape of the fabric, the fabric being expansible by at least 200% and having a uni-directional recovery force to provide the force to dispense the fluid from the expansible member, the fabric being made of elastomer yarn providing the recovery force and yarn in engagement with the elastomer yarn to maintain the fabric position of the elastomer yarn so as to prevent blow out of the expansible member between the yarn of the fabric during expansion of the expansible member.
Claims17
An expansible fabric suitable for disposition about a fluid-containing expansible member in a dispensing container for providing the force to dispense said fluid from said expansible member and thus from said container, said fabric being expansible by at least 200% and having a unidirectional recovery force to provide the force to dispense said fluid, said fabric comprising elastomer yarn providing said unidirectional recovery force, said recovery force being at least 750 g per cm of fabric width at 100% elongation of said fabric to provide a pressure of at least 0.15 atm, said elastomer yarn being present in said fabric at least 20,000 denier per cm of fabric width in the cross direction to the elastomer yarn, and yarn in engagement with said elastomer yarn to maintain the position of said elastomer yarn in said fabric during its expansion and recovery to prevent blow out of said expansible member between the yarn of said fabric upon the filling of said member with said fluid.
Dependencies are inferred from the claim text.