公开(公告)号：US12128437B2

公开(公告)日：2024-10-29

申请号：US17796274

申请日：2021-10-12

Applicant: Guangdong Neat Packaging Co., LTD.

Inventor： Yuanhong Mei ,  Zhiyun Zeng

IPC: B05B7/00 ,  B05B7/04

CPC classification number: B05B7/005 ,  B05B7/0425

Abstract: An all-plastic external foam pump, including an actuator, a fixing member, a plunger, an elastic member, a cylinder body, and a straw, is provided. One end of the fixing member is fixed or detachably connected to the actuator, and the other end is fixed or detachably connected to the plunger. The fixing member is at least partially accommodated in the cylinder body. One end of the plunger is penetrated into the elastic member. The straw is installed on one end of the cylinder body. A pulling rod is disposed in the plunger. The pulling rod is disposed in linkage with the plunger. The elastic member is made of a recyclable elastic material. A liquid mixing portion is disposed in the fixing member.

公开(公告)号：US20230347367A1

公开(公告)日：2023-11-02

申请号：US18300347

申请日：2023-04-13

Applicant: Guangdong Neat Packaging Co.,LTD.

Inventor： Yuanhong Mei ,  Zhiyun Zeng

IPC: B05B11/10

CPC classification number: B05B11/1039 ,  B05B11/1025 ,  B05B11/1094 ,  B05B11/105 ,  B05B11/1053 ,  B05B11/1074

Abstract: A spray pump comprising a small piston and an upper pump rod with a liquid accumulation cavity is provided. The upper pump rod is provided with a liquid discharge hole communicates with the liquid accumulation cavity, and the small piston is provided with a sealing column for sealing the liquid discharge hole. A central column is provided with an ejector rod extending into the liquid discharge hole, and a liquid flow gap is disposed between the ejector rod and the liquid discharge hole. A central hole communicates with the liquid discharge hole is disposed at a central part of the central column, and a press head with a lower part being fixed with the central column. A press plate is fixed with the upper pump rod, and a press gap is disposed between an upper side of the press plate and a lower side of the press head.