Plastic - closure body for a closure of bottles, closure with plastic - the sealing body and the injection mold for the production of plastic - closing bodies

摘要

Plastic - closure body of a clip closure (21) for bottles with a form of a circumferential sealing surface (27). the middle section (28) having, in its cross section in the direction of the interior of the bottle steadily decreases, characterised in that the sealing surface (27) of the middle portion (28) is formed in a seamless.