Membrane-type inflation nozzle

Details Membrane-type inflation nozzle Membrane-type inflation nozzle

1999-02-08

2000-02-01

Rivell, John

Fluid handling

Inflatable article

137246, 137846, 137522, F16K 1520

Patent

active

060191228

ABSTRACT:
A membrane-type inflation nozzle applicable to an inflatable envelope. A release sheet is disposed between two nozzle membranes at an opening of the nozzle. An adhesive material is disposed between inner membrane walls of the opening of the nozzle. One end of the release sheet is positioned between the adhesive material and the other membrane wall. The other end of the release sheet extends out of the opening. When inflating the envelope, the release sheet is torn away from the nozzle opening and then the envelope is fully inflated. Therefore, an internal pressure of the envelope makes the nozzle self-close. In addition, the adhesive material at the nozzle opening is able to adhere corresponding inner membrane walls to each other so as to achieve a more tightly air-sealing effect.

REFERENCES:
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patent: 4917646 (1990-04-01), Kieves
patent: 5108339 (1992-04-01), Kieves
patent: 5336123 (1994-08-01), Laske et al.
patent: 5451179 (1995-09-01), LaRoi, Jr. et al.
patent: 5830780 (1998-11-01), Dennison et al.
patent: 5860441 (1999-01-01), Garcia

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