Vent for a liquid drainage system

Details Vent for a liquid drainage system Vent for a liquid drainage system

Category

A - Human Necessities

Subcategory

61

Subsubcategory

M

CPC

128/110

IPC codes

A61M 1/00 (2006.01) A61F 5/441 (2006.01)

Type

Patent

Patent number

CA 1158946

Description

VENT FOR A LIQUID DRAINAGE SYSTEM ABSTRACT OF THE DISCLOSURE A vent for a liquid drainage system comprising, a receptacle having a chamber to receive liquid, and a filter per- vious to air and substantially impervious to the passage of bac- teria, with the filter communicating with the atmosphere. The vent has a valve communicating between an upper portion of the chamber and the filter. The valve may be selectively opened to permit passage of air between the atmosphere and the chamber through the filter, and may be selectively closed to prevent passage of liquid from the chamber against the filter.

Application Number

382442

Affiliated with

Also associated with

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