公开(公告)号：US11859744B2

公开(公告)日：2024-01-02

申请号：US17528779

申请日：2021-11-17

Applicant: STI CO., LTD.

Inventor： Yong Ik Song ,  Jun Woo Lee ,  Jin Woo Lee

IPC: F16L33/22 ,  F16L3/01 ,  E06B7/28 ,  B01J4/00 ,  E06B3/38

CPC classification number: F16L33/22 ,  E06B3/38 ,  E06B7/28 ,  F16L3/01 ,  B01J4/001

Abstract: The present disclosure relates to an automatic chemical supply apparatus having an opening shutter unit, the automatic chemical supply apparatus including a blocking door which consists of an opening/closing door and a blocking unit that are installed on a frame and which is configured to block an interior of the automatic chemical supply apparatus from the outside in a state in which a hose is seated on a mounting portion, a hose opening through which the hose passes in a state in which the opening/closing door is closed, and an opening shutter unit which is disposed on the blocking door and configured to open and close the hose opening.

公开(公告)号：US11835165B2

公开(公告)日：2023-12-05

申请号：US17529986

申请日：2021-11-18

Applicant: STI CO., LTD.

Inventor： Yong Ik Song ,  Jun Woo Lee ,  Jin Woo Lee

IPC: F16L3/10 ,  F16L47/06 ,  F16L47/20

CPC classification number: F16L3/1075 ,  F16L47/06 ,  F16L47/20

Abstract: The present disclosure relates to a male connector holder for an automatic chemical supply apparatus in which, before a chemical is supplied, a neck region of a male connector is pressed through a clamping holder and a support pad to perform alignment on the male connector so that the male connector may be accurately fastened to a female connector.