公开(公告)号：US20190191896A1

公开(公告)日：2019-06-27

申请号：US16192503

申请日：2018-11-15

Applicant: Zhejiang Samsung Down Co., Ltd.

Inventor： Fengwei Mao ,  Dasheng Du ,  Zhiliang Zhu ,  Zhengxiang Zhu ,  Xifeng Zhu

IPC: A47G9/02 ,  D05B11/00

CPC classification number: A47G9/0207 ,  D05B11/00 ,  D05C17/00 ,  D10B2503/06

Abstract: This application provides a sewing method and structure for a duvet, and the sewing method includes the following steps: first, stacking base cloth, a plurality pieces of retractable cloth and a plurality pieces of connection cloth together in sequence to form a duvet unit; then aligning two duvet units, and sewing the connection cloth on the two duvet units together in a one-to-one correspondence; and finally sewing perimeters of two pieces of the base cloth together in a one-to-one correspondence to form a closed down space. A beneficial effect of this invention is that downs in the duvet cannot run out from the gaps.

公开(公告)号：US11013351B2

公开(公告)日：2021-05-25

申请号：US16192503

申请日：2018-11-15

Applicant: Zhejiang Samsung Down Co., Ltd.

Inventor： Fengwei Mao ,  Dasheng Du ,  Zhiliang Zhu ,  Zhengxiang Zhu ,  Xifeng Zhu

IPC: A47G9/02 ,  D05B11/00 ,  D05C17/00

Abstract: This application provides a sewing method and structure for a duvet, and the sewing method includes the following steps: first, stacking base cloth, a plurality pieces of retractable cloth and a plurality pieces of connection cloth together in sequence to form a duvet unit; then aligning two duvet units, and sewing the connection cloth on the two duvet units together in a one-to-one correspondence; and finally sewing perimeters of two pieces of the base cloth together in a one-to-one correspondence to form a closed down space. A beneficial effect of this invention is that downs in the duvet cannot run out from the gaps.