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公开(公告)号：US20210054555A1
公开(公告)日：2021-02-25
申请号：US16999283
申请日：2020-08-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongkwon Kim , Zoohyeong Kim , Eungryeol Seo , Jihoon Choi
Abstract: A drum-type washing apparatus includes: a housing including a door in a front thereof to be opened and closed; and a washing tub supported to spin inside the housing, having a cylindrical shape opened toward the door to accommodate laundry therein, and including a pattern on which a plurality of dewatering holes for discharging wash water are arranged on an inner circumferential surface thereof, the pattern including: a first pattern including an even area provided at least one side of a first dewatering hole along the inner circumferential surface, and a second pattern provided at least one side of a second dewatering hole different from the first dewatering hole along the inner circumferential surface and including an uneven area having lower flatness than the even area.
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公开(公告)号：US11629447B2
公开(公告)日：2023-04-18
申请号：US16999283
申请日：2020-08-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongkwon Kim , Zoohyeong Kim , Eungryeol Seo , Jihoon Choi
Abstract: A drum-type washing apparatus includes: a housing including a door in a front thereof to be opened and closed; and a washing tub supported to spin inside the housing, having a cylindrical shape opened toward the door to accommodate laundry therein, and including a pattern on which a plurality of dewatering holes for discharging wash water are arranged on an inner circumferential surface thereof, the pattern including: a first pattern including an even area provided at least one side of a first dewatering hole along the inner circumferential surface, and a second pattern provided at least one side of a second dewatering hole different from the first dewatering hole along the inner circumferential surface and including an uneven area having lower flatness than the even area.
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