Patent · US Expired

Anti-leak dust cover and closure used therewith

US7011221B2 · kind B2 · utility

15Cited by
15References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2002
Grant dateMar 14, 2006
Priority date
Expiry dateMar 14, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D2401/25
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A container closure includes a shell attachable to a container around a container opening thereof. The shell has a shell opening in fluid communication with the container opening when the shell is attached to the container. A tip is received on the shell movable between a closed position sealing the shell opening and an open position. A cover is releasably attached to the shell in a manner indicative of the tip being positioned in the closed position when the cover is attached to the shell. The cover includes rib engaging ribs for maintaining the cover tip and shell in proper alignment when the cover is attached to the shell.

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