Patent · US Expired

Container stopper

US6641006B2 · kind B2 · utility

2Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 2001
Grant dateNov 4, 2003
Priority date
Expiry dateFeb 27, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D47/249
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a container stopper in which a structure is simplified to reduce a cost, a troublesome operation is unnecessary, and liquid can be poured in and out by an easy operation which does not require time and effort.The present invention is a container stopper comprises a pour-out passage through which liquid in a container is poured outside in a stopper main body, an operating valve for opening and closing the pour-out passage, a stopper cover with which an upper portion of the stopper main body is covered, and a valve body operating portion for sliding the operating valve up and down as a lever outside the stopper cover is operated, wherein a pour-in passage through which the liquid is poured into the container from outside and which does not cross the pour-out passage is provided in the stopper main body and a pour-in valve for normally closing the pour-in passage and for opening the pour-in passage only in pouring-in of the liquid is provided.

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