B - Operations – Transporting – 65 – D
Patent
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.
Daikyo Seiko Ltd.
Riches Mckenzie & Herbert Llp
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