Apparatus for applying closure tabs
US5635017A · kind A · utility
Inventor
Key dates
| Filing date | Oct 30, 1995 |
| Grant date | Jun 3, 1997 |
| Priority date | — |
| Expiry date | Oct 30, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1339
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention applies the leading edge of a closure tab to the top surface of an article traveling through the apparatus at a constant speed and positioned at precise intervals by lugs on a conveyor belt, bends the closure tab around the trailing surface using a blast of air, engages and accelerates the closure tab forwardly with respect to the article to press the closure tab on the bottom surface of the article with an inclined bottom belt located underneath the article and traveling at a greater rate of speed then the article itself, squeezes the article with two nonparallel belts located laterally at the position of contact with the closure tab to press the closure tab to the top and bottom surfaces of the article for closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.