Two-chamber container
US5613623A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 19, 1995 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Jul 19, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/3211
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A two-chamber container for accommodating flowable substances separately from one another has an upper chamber and a lower chamber, a reduced diameter bottle which separates the chambers from one another and is provided with a plug in a plane of the reduced diameter, a rotary cap provided with a plunger and turnable so that the plunger is pressed from the plane of the reduced diameter into the lower chamber so as to bring both substances together. The rotary cap has a thread in the upper chamber, while the plunger has a threaded portion engaged in the thread of the rotary cap. The plunger is formed as a tubular plunger which has a first end and a second end formed so that in a base position the first end of the plunger is connected with the threaded portion of the plunger in fluid-tight manner and the second end of the plunger extends through the plug into the lower chamber, and the plunger is connected with the plug in fluid-tight manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.