CLOSURE FOR GLASS CONTAINERS IN PRESERVATION Russian patent published in 1995 - IPC

FIELD: household preservation. SUBSTANCE: closure includes glass cover 1, sealing gasket 4 and locking member 3 of flexible material in form of ring with U-shaped cross-section. Upper belt of ring is wider than the lower one. Ring is made so that its cross-section between belts is of cone shape whose base is directed towards upper belt, and annular projections are made on ring inner surface. Made on outer surface of glass cover 1 is glass groove of semi-circle in cross-section to interact with projection on ring inner surface. EFFECT: higher efficiency. 2 cl, 2 dwg