Locking tamper-evident dispensing closure
US6405885B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Jan 2, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/15
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure structure for a container includes a closure body having a deck and a depending skirt, the skirt being adapted to be mounted on a container neck or formed with the container. A dispensing orifice is formed through the deck. A protruding member extends from a surface of the deck, the protruding member including a first locking ledge at an intermediate position along a length of the protruding member. A lid, hinged at one side to the closure body at a position opposite to the protruding member, has a socket on a side of the lid opposite the hinge. The socket has a receiver cavity open in an axial direction of the lid and includes a second locking ledge extending radially within the receiver cavity. The first and second locking ledges are engageable when the protruding member is positioned sufficiently within the receiver cavity when the lid is initially closed to the body. The engagement of the first and second locking ledges prevents the lid from being opened from the body, the socket and the protruding member being connected to the lid and the body respectively by frangible elements. The body includes an inset on a surface thereof below the protruding member, and the lid …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.