|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||222/23 ; 220/253 ; 220/258 ; 220/266|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 72 인용 특허 : 2|
A tamper-evident dispenser end closure including an imperforate hermetically sealed base and a rotor pivotally connected to the base by a snap-fit between a female pocket formed in the base and an annular male protrusion formed in the rotor. The protrusion contains an opening for visual detection of tampering with the pocket of the base. The base and rotor are retained in a close superposed relationship by the snap-fit pocket and protrusion. Frangible means are provided which tear or break when an attempt is made to separate the base from the rotor there...
In a dispenser end closure having a hermetically sealed base, a rotor, means pivotally connecting the base to the rotor, the pivot means having an axis of rotation, the base and rotor having top surfaces, the base and rotor having webs with means defining respective dispensing apertures therein, the rotor dispensing aperture means being alignable with the base dispensing aperture means by pivotal movement of the rotor with respect to the base about the axis of the pivot means, said pivot means slidably retaining the base and rotor in a close superposed r...