| 摘要 |
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.
|
