Filling channel opening and closing device for liquid product filling apparatus
US8740175B2 · kind B2 · utility
4Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2011 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Dec 11, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67C3/2608
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A filling channel opening and closing device, which is used in a liquid product filling apparatus, including an opening and closing control unit that includes a flexible tube and a chamber enclosing the flexible tube in a gastight manner, a gas supply and exhaust device that collapses and restores the flexible tube by supplying pressurized gas into the chamber and exhausting the gas from the chamber, and a control device that controls the timing of supply and exhaust of the gas of the gas supply and exhaust device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.