Patent ID: 7886923
Filing Date: 2011-02-15
Classification: B65D

Abstract:
1. A container stopper comprising a core formed of an elastic material and having a liquid-contact surface and an outer peripheral surface continuous with the liquid-contact surface, both the liquid-contact surface and the outer peripheral surface being coated with a skin made of a synthetic resin, wherein said skin is a skin made of a polyester resin or a synthetic resin having a polyester resin as a main component thereof, said skin being bonded to said core via a bonding layer; said bonding layer includes a core-side adhesion forming layer bonded to the liquid-contact surface and the outer peripheral surface and a skin-side adhesion forming layer bonded to the skin; and said skin is bonded to the core by thermal fusion of the core-side adhesion forming layer and the skin-side adhesion forming layer.