Patent · US Expired

Tamper-evident closure

US4625875A · kind A · utility

66Cited by
6References
18Claims
0Family size

Inventors

Key dates

Filing dateFeb 4, 1985
Grant dateDec 2, 1986
Priority date
Expiry dateFeb 4, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D41/3452
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

There is disclosed a tamper-evident closure including a depending tamper-evident skirt member capable of being positioned by longitudinal force (i.e. pushed on) onto a neck of a container including a skirt collar wherein the closure is formed with an internal thread and the neck of the container is formed with an external thread and wherein the tamper-evident depends by angularly-formed arm members from the closure, and wherein the threads are of multiple courses and wherein a groove of the skirt member of the closure engages the skirt collar of the container in an assembled relationship of the closure to the container.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.