FIELD: manufacture of covers, particularly filtering stoppers. SUBSTANCE: cover comprises body consisting of two parts. Lower part is sleeve-shaped and its bottom part is inserted into the container throat while sleeve proper accommodates a hollow chamber for porolon filter. The upper part of the body is provided with a circular slot for a metal plate. The bottom of the sleeve and the plate are provided with holes of 7-8 mm dia. The cover functions as a filtering stopper. EFFECT: improved design. 1 dwg
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Authors
Dates
1995-03-27—Published
1993-11-11—Filed