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Patent Searching and Data


Title:
POWDER DISCHARGE CONTAINER HAVING AIR PUMPING PORTION AND AIR DISCHARGE PORTION
Document Type and Number:
WIPO Patent Application WO/2023/146029
Kind Code:
A1
Abstract:
The present invention relates to a powder discharge container having an air pumping portion and an air discharge portion. The powder discharge container comprises: a containing portion (100) having an upper containing portion (110) and a lower containing portion (120) provided to communicate with each other, the upper side of the upper containing portion (110) being open, the lower containing portion (120) having a powder discharge portion (130) on the lower side thereof, and a filter member (140) being disposed on the powder discharge portion (130); a seating portion (200) disposed inside the containing portion (100) and provided with a center hole (210); an air pumping portion (300) contained in the upper containing portion (110) and provided in the shape of a corrugated pumping structure (310), the open lower end (320) of the air pumping portion (300) being coupled to the upper side of the seating portion (200); and an air discharge portion (400) contained in the lower containing portion (120), the air discharge portion (400) having a coupling portion (410) coupled to the lower side of the seating portion (200) and multiple pressurizing passage portions (420) formed in a hollow structure below the coupling portion (410). Air pumped by the air pumping portion (300) is discharged to the lower containing portion (120) through at least one air discharge hole (421) formed in the pressurizing passage portions (420). Powder contained in the lower containing portion (120) is discharged via the filter member (140).

Inventors:
OHN SUNGDAE (KR)
Application Number:
PCT/KR2022/007321
Publication Date:
August 03, 2023
Filing Date:
May 24, 2022
Export Citation:
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Assignee:
WORLD SPONGE MFG CO LTD (KR)
International Classes:
A45D34/02; A45D33/00; B65D83/00; B65D83/06
Foreign References:
KR102222498B12021-03-03
KR20100003246U2010-03-22
KR101463718B12014-11-26
KR101734803B12017-05-11
JP2018534989A2018-11-29
Attorney, Agent or Firm:
KIM, In Cheol (KR)
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