Bottle closure for sales promotion - has sales text on inner bottom surface, exposable by removing centre panel of gasket

摘要

The closure for sales promotion comprises a closure shell having the indication of a prize offer on its inner bottom surface and a gasket bonded to its inner bottom surface. The gasket has a centre panel portion held half-adhered to the inner bottom surface of the closure shell or held non-adhering with a peripheral sealing portion firmly adhered to the inner bottom surface of the closure shell. The centre panel portion is completely defined from the peripheral sealing portion by a breakable line. The centre panel portion can be stripped off from the inner bottom surface of the closure shell while leaving the peripheral sealing portion.