Patent · US Active

Closure valve assembly for a container

US8973789B2 · kind B2 · utility

8Cited by

121References

16Claims

0Family size

Assignee

DS Smith Plastics, Ltd. · GB

Inventors

Mark A. Smith · Ayer, US
Carsten Pfromm · Glen Ellyn, US

Key dates

Filing date	Mar 31, 2014
Grant date	Mar 10, 2015
Priority date	—
Expiry date	Mar 31, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB67D7/06
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A closure assembly for a container having a housing with a fluid passage, a retaining ring attached to an inner surface of a wall of the housing and having a sloping centering flange, and a valve positioned in the housing and sealing the fluid passage.

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