Gold tab lubrication
US4901820A · kind A · utility
6Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1988 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Sep 28, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/1572
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus and a method are disclosed for automatically applying uniform amounts of oily lubricant to electrical contact tabs on one or more edges on one or both sides of a printed circuit card, simultaneously, by conveying the card past one or more lubrication stations in wiping contact with free rolling rollers adapted for contacting a wick continuously supplied with lubricant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.