Gluing method of a filter cartridge
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United States of America Patent
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Sep 15, 2020
Grant Date -
Jul 25, 2019
app pub date -
Mar 27, 2018
filing date -
Jan 24, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A gluing method of a filter cartridge includes: preparing a filter core and a filter frame; disposing them in a lower mold with the filter frame under the filter core; filling glue on top of the lower mold, extending the glue to a gluing segment of the filter frame and an outer surface of the filter core; pressing down an upper mold toward the lower mold to cut the glue into an inner glue segment and an outer glue segment. The inner glue segment is pressed in between the filter frame and the filter core, coated around the gluing segment to increase adhering area. Pressure from the upper mold enhances the adhering effect. The cutting removes surplus glue and the glue is formed into a desired shape, thus the method is quick, accurate and consistent.
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