Nozzle, adhesive application head, adhesive application apparatus, and method of making diaper
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United States of America Patent
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Mar 26, 2024
Grant Date -
Apr 13, 2023
app pub date -
Mar 25, 2021
filing date -
Mar 26, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A nozzle includes a pattern shim having a plurality of first slits and a plurality of second slits, an adhesive shim having a plurality of first holes, a gas shim, a head body having an adhesive outlet and an adhesive distribution groove communicating with the adhesive outlet, and a face plate. Adhesive ejection ports are formed at openings of the plurality of first slits, and gas discharge ports are formed at openings of a plurality of second slits in such a manner that the gas discharge ports are located on both sides of each of the adhesive ejection ports. The plurality of first holes communicate with the adhesive distribution groove. The plurality of first holes are formed in such a manner that distances of the first holes from the corresponding discharge ejection ports become shorter as distances of the corresponding first holes from the adhesive outlet become longer.
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Family
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