TH6837A - Plastic bag with self-closing valve - Google Patents

Abstract

Plastic bag with self-closing valve Has a special characteristic allowing the liquid to flow in but cannot come out When the fluid is loaded in its normal state, since the built-in valve automatically closes the channel. And if wanting to let the filled fluid come out Must bring a tube Conductors through the opening Will be able to bring the fluid out as needed

Claims (1)

1. The process of creating a plastic bag with a unique self-closing valve consists of a part that is the tongue and the body of the bag. The tongue is smaller and is located inside the bag. Nature of the invention Of the tongue Which will do the duty to open and close itself is unique is that it is made up of 2 sheets of film with the resulting rolling marks From the use of heat fused together These 2 lines are at a diagonal angle to the vertical edge. And the ends of the 2 diagonal notches will be in the same vertical direction The tongue is able to allow fluid to pass through and closes itself when there is fluid.