Valve and Accessory with multiblock Copolymer of ethylene / - olefin

摘要

An accessory that includes an Upper portion, a base and a Channel which extends through the Upper portion and the basis for the passage of a Fluid material. The Accessory includes a flexible Valve that extends over the Channel. The flexible Valve includes a Recess which opens to allow flow through it.The flexible Valve includes a multiblock Copolymer of ethylene / - olefin.