A laminated rubber stopper

Details A laminated rubber stopper A laminated rubber stopper

B - Operations, Transporting

65

D

B65D 39/04 (2006.01) B65D 39/00 (2006.01) B65D 39/18 (2006.01) B65D 51/00 (2006.01)

Patent

CA 2183219

A laminated rubber stopper having a new structure, capable of being produced in a simple process with a reduced production cost and being excellent in tightness, sealing property and sanitary property, is provided, comprising a top part having a flange part and a leg part provided under the top part of the rubber stopper and to be inserted into the mouth part of a vial, at least a surface thereof to be contacted with a content in the vial being laminated with a fluoro resin film, in which the lower surface of the flange part has an annular concavity with a cross section of a circular arc from the periphery of the flange to the neck part.

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