Apparatus for putting sleeves onto conveyed articles
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United States of America Patent
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Feb 3, 2004
Grant Date -
N/A
app pub date -
Nov 20, 2000
filing date -
May 20, 1998
priority date (Note) -
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Abstract
The invention relates to apparatus for placing sleeves on conveyed articles, said sleeves being cut-off from a continuous sheath (13) passing over a floating type sheath-opening shaper (20). According to the invention, the wheels (30, 31) for lowering the sheath and the wheels (32, 33) for ejecting the cut-off sheath segment (15) are rotated by associated electric motors (41; 42, 43) controlled synchronously by a common electronic programmer (50) arranged to determine a continuous profile of speed variation so as to control the lowering of each sheath segment, said programmer including at least one control card (55) which co-operates with an adjacent encoder (47) mounted at the end of a shaft (46) rotated by a central motor and gearbox unit (40, 45). The synchronization obtained makes it possible to envisage very high rates of throughput while using sleeves of a diameter that is hardly greater than the maximum diameter of the articles.
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