Lubrication apparatus and method of applying a lubricant
US6543580B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2000 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Mar 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F35/882
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and method for applying a lubricant to an advancing yarn, to facilitate the further processing of the yarn, and wherein the lubricant is composed of a plurality of components such as an emulsion of water and oil. The apparatus includes separate containers for the components of the lubricant, and a feed device for combining and mixing the components in a mixing chamber. The feed device also includes a pump for delivering the resulting lubricant to a wetting device which applies a metered quantity of the lubricant to the yarn. Provision is also made for maintaining a desired mixing ratio of the components of the lubricant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.