Filter bag assembly line and method
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United States of America Patent
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Jul 3, 2001
Issued Date -
N/A
app pub date -
Apr 29, 1999
filing date -
Apr 30, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A filter bag assembly line first forms a tube from a filter media, the tube being cut to twice the length of a finished filter bag and being open on opposite ends. The tube is then vibration welded across its width, intermediate the ends, to form the bottoms of two filter bags in an end-to-end configuration. The adjoined filter bags are separated by a laser cutting machine and the separated bags then passed to an accumulation station. An operator removes a filter bag from the accumulation station and places the filter bag along with a corresponding bag ring into a welding station, which welds the filter bag and the ring together.
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