Casing member and method for manufacturing the same

Details Casing member and method for manufacturing the same Casing member and method for manufacturing the same

2006-08-01

2006-08-01

Pham, Minh-Chau T. (Department: 1724)

Gas separation

Combined or convertible

In vented container

C055S385100, C055S524000, C055S527000, C096S013000, C096S014000, C096S134000

Reexamination Certificate

active

07083660

ABSTRACT:
A connector casing E required to have a sealing property includes a cover2. The cover2has a cover main body10provided with a large vent hole H0passing through the connector casing E in an inward and outward direction and having a predetermined inner diameter size. A permeable sheet S, which permits permeation of a gas and prevents permeation of a liquid and a solid, is integrally joined to an outside peripheral part of the large vent hole H0so as to cover the large vent hole H0from its outside. A cover insert member C is disposed outside the permeable sheet S to cover the permeable sheet from the outside, and a ring-shaped protrusion22is hermetically joined to the casing main body10. The cover insert member C1is provided with a small vent hole H1which has an inner diameter smaller than the large vent hole H0and communicates with the large vent hole H0through the permeable sheet S.

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