Cap assembly having storage chamber for secondary material with inseparable working member

摘要

A cap assembly mounted on a neck of a container for containing an ingredient different from that accommodated in the container includes a cap body having an inner housing formed with a chamber for storage of the ingredient and a working member adapted to open a lower end opening of the chamber to allow the ingredient in the chamber of the inner housing to be mixed with a primary ingredient in the container. The mixed ingredients may be discharged through the lower end opening.

主权项

1. A cap assembly mounted on a neck of a container for containing an ingredient different from that accommodated in the container, comprising:
a cap body having an inner housing formed with a chamber containing an ingredient; a working member adapted to be assembled to a mouth of the cap body, the working member is formed with an opening and has an extended part at a lower end thereof; a lower sealing portion provided at the lower end of the extended part to seal a low end opening formed at the lower end of the inner housing; an upper end portion of the extend part of the working member in sealing contact with an upper opening of the cap body to seal the opening of the working member from the ingredient; a perforated portion formed below the upper end portion of the extended part, through which the ingredient may be filled into the chamber and then the perforated portion is sealingly covered by a separate closing member; and when the working member with the extended part is upwardly moved from an initial position for sealing the low end opening and for sealing the opening of the working member from the ingredient, the low end opening is opened to drop the ingredient in the chamber into the container so as to be mixed with an another ingredient accommodated in the container and the mixture may be discharged from the low end opening and the upper end portion of the working member is taken out of sealing contact with the upper opening of the cap body.