Uniform dispensing, multi-chambered tube comprising a flow regulating element
US6877638B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2003 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Jan 15, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/3283
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Disclosed is a multi-chambered tube for containing and dispensing a contents, comprising: (a) a body divided by at least one divider wall into at least two chambers, each chamber housing a portion of the contents, the body being sealed at one end by a crimp seal and one end of the divider wall being sealed within the crimp seal; (b) a shoulder attached to the body; (c) a nozzle attached to the shoulder and provided with an orifice through which the contents are dispensed; (d) a flow regulating element located in the shoulder of the tube and being comprised of as many sections as there are body chambers, and each section being provided with at least one aperture; (e) at least one partition separating the sections of the flow regulating element from each other and dividing the nozzle into as many nozzle chambers as there are body chambers, each nozzle chamber being in communication with a body chamber via the aperture(s) in the corresponding section of the flow regulating element. Also disclosed is such a multi-chambered tube in which the first and second chambers are concentric, and the tube is provided with a first flow regulating element located in the shoulder of the first chambe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.