Stopper assembly for a container for aqueous infusion and a...

Details Stopper assembly for a container for aqueous infusion and a... Stopper assembly for a container for aqueous infusion and a...

B - Operations, Transporting

65

D

B65D 47/36 (2006.01) B29D 99/00 (2010.01) B29C 45/14 (2006.01) B65D 39/14 (2006.01) B65D 51/00 (2006.01)

Patent

CA 2177325

To provide a rubber stopper enhancing a tightening force applied on a piercing needle and a closing force of a hole caused by piercing the needle, a stopper assembly for a container for aqueous infusion attached to an opening of a main body of a container for aqueous infusion made of synthetic resin in which a rubber stopper is in a tight contact state with a rubber stopper outer supporter made of synthetic resin by receiving a compressive stress therefrom at all the side face of a barrel portion of the rubber stopper, a diameter of at least one of a top face and a bottom face of the rubber stopper is contracted by 1 through 10% and the top face or the bottom face is expanded, is proposed.

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