Two member pouring device having vent
US3966099A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 1975 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | May 1, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D3/0051
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pouring device for dispensing liquid from a bottle is provided comprising a rigid spout member and a flexible resilient sealing member, the spout member including a rigid base portion having a longitudinally extending trough in the outer wall thereof and the flexible sealing member comprising a tubular body tightly overfitting the base portion of the spout member and having a longitudinal vent tube extending along the inside wall thereof and seating within the trough to prevent relative rotational movement between the spout member and the sealing member and cooperating means on the sealing member and the spout member to prevent relative longitudinal movement between these members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.