ONE PIECE PUSH-PULL CAP FOR PLASTIC CONTAINERS

摘要

A push-pull cap dispenser. The cap comprises a radially surrounding sidewall , a top that radially extends from a substantially central cap opening to the sidewall. The cap further comprises a post adapted for sealingly engaging a receiver opening of a receiver piece, a support structure supporting the pos t in a spaced position from the cap opening, and an internal cap ring formed o n an inner surface of the sidewall of the cap. An outline of the support structure forms a passageway between the cap opening and a hollow space with in the cap.