公开(公告)号：US20240050971A1

公开(公告)日：2024-02-15

申请号：US18223561

申请日：2023-07-19

Applicant: Fei Cheng ,  Weidong Kang

Inventor： Fei Cheng ,  Weidong Kang

IPC: B05B11/10 ,  B05B11/00

CPC classification number: B05B11/1047 ,  B05B11/0037 ,  B05B11/1073 ,  B05B11/1087

Abstract: A pre-compression pump includes a main body, a first piston assembly movably mounted in the main body, a head assembly on a top of the first piston assembly, a second piston in the first piston assembly, and a second spring supported between the second piston and the first piston assembly. A water storage sump is disposed between the main body and the first piston assembly. A water outlet channel is disposed in the inner part of the first piston assembly. The water outlet channel is connected to the water storage sump and a nozzle of the head assembly. The second piston has an ejector pin portion for sealing the water outlet channel.

公开(公告)号：USRE49833E1

公开(公告)日：2024-02-13

申请号：US17180144

申请日：2021-02-19

Applicant: OP-Hygiene IP GmbH

Inventor： Heiner Ophardt ,  Andrew Jones

IPC: B05B11/10 ,  A47K5/14 ,  B05B7/00

CPC classification number: B05B11/1087 ,  A47K5/14 ,  B05B11/1001 ,  B05B7/0037 ,  B05B11/1069 ,  B05B11/1074

Abstract: An improved foam piston pump in which a multiple of air pumps are disposed coaxially about a piston member and spaced axially along the piston member, preferably coaxially with a liquid pump for discharging air and liquid as foam. Each air pump is preferably provided by a modular piston within a modular casing assembly such that arrangements with one, two or more identical air pumps can be assembled from a plurality of the same modular components.

公开(公告)号：US20240246097A1

公开(公告)日：2024-07-25

申请号：US18100856

申请日：2023-01-24

Applicant: SILGAN DISPENSING SYSTEMS CORPORATION

Inventor： STEPHAN THIEDE ,  MARC TEPAS

IPC: B05B7/00 ,  A47K5/14 ,  B05B11/10

CPC classification number: B05B7/0062 ,  A47K5/14 ,  B05B11/1014 ,  B05B11/105 ,  B05B11/1087

Abstract: A foam dispenser utilizing components made from the same or similar materials that can be recycled in a single recycling process or stream includes a plastic spring system acting on spring cones formed in a piston rod and an accumulator, an air valve having multiple flanges to facilitate the flow of air into and out of the foam dispenser, and a liquid piston configured to improve the control of liquid flow through the foam dispenser and which is more easily manufactured.

公开(公告)号：US20240173733A1

公开(公告)日：2024-05-30

申请号：US18551855

申请日：2022-03-22

Applicant: TAISEI KAKO CO., LTD. ,  YUWA SHOJI CO., LTD.

Inventor： Yukihiro OGAWA ,  Hidenari NISHIKURA ,  Tsutomu TANAKA

IPC: B05B11/10

CPC classification number: B05B11/1087 ,  B05B11/1047

Abstract: A dispenser includes: a container that stores a liquid; a pump unit, and a cover member for housing the pump unit in the container. The pump unit includes: a liquid delivery mechanism configured to take a liquid suction action and a liquid delivery action; a case part in which the liquid delivery mechanism is arranged and has an inner communication hole for providing air communication between the inside and the outside of the case part; and an inner opening-closing part that opens the inner communication hole in the liquid delivery action of the liquid delivery mechanism, and closes the inner communication hole in the liquid suction action. The cover member includes: a cover body that has an outer communication hole for providing air communication between the inside and outside of the case part; and an outer opening-closing part that opens and closes the outer communication hole according to the pressure in the container.

公开(公告)号：US11969743B2

公开(公告)日：2024-04-30

申请号：US16316133

申请日：2017-07-12

Applicant: Friedrich Fischer

Inventor： Friedrich Fischer

IPC: B05B11/00 ,  B05B11/10 ,  B65B3/02 ,  B65B3/04 ,  B65B55/10

CPC classification number: B05B11/00444 ,  B05B11/1087 ,  B65B3/027 ,  B65B3/04 ,  B65B55/10 ,  B05B11/1074

Abstract: A dispenser system for a pumpable dispensed product, in particular a cosmetic fluid dispensed product such as a washing lotion, a cream lotion, a perfume liquid or similar includes a rigid or pliable product container and a dispensing device with a pump apparatus. The pump apparatus includes at least one first valve group for conveying the dispensed product out of the product container. The pump apparatus includes a second valve group for feeding air into the product container, wherein the second valve group defines a feed duct in which at least one filter unit for filtering sterile air is arranged. In subsidiary aspect, a filter unit for the dispenser system as well as a manufacturing facility and a manufacturing method for the manufacture of the dispenser system are provided.

公开(公告)号：US20240091058A1

公开(公告)日：2024-03-21

申请号：US18254274

申请日：2021-06-29

Applicant: Eye-Go A/S

Inventor： Henrik NAGEL ,  Steffen GYRN ,  Joel Vion WESTERLUND

IPC: A61F9/00 ,  A61M11/00 ,  B05B7/04 ,  B05B11/10

CPC classification number: A61F9/0026 ,  A61M11/007 ,  B05B7/0483 ,  B05B11/1087 ,  A61M2210/0612 ,  B05B11/1091

Abstract: The present invention relates to a device for the delivery of a mist of a dose of an ophthalmic liquid, including a housing with a holding chamber having a discharge opening for holding the dose of liquid to be delivered, a pump for pumping, via a dose supply conduit, the dose of the liquid to the holding chamber, the pump being connected with a container containing a plurality of the doses, and an air flow conduit for supplying a flow of air to the holding chamber so as to force the dose delivered by the pump to the holding chamber out through the discharge opening.

公开(公告)号：US11846275B2

公开(公告)日：2023-12-19

申请号：US17581662

申请日：2022-01-21

Applicant: QUIP NYC INC.

Inventor： William Thomas May ,  Simon Enever ,  Paul Koh ,  Max Wood-Lee ,  James Krause ,  Jonathan Fratti

IPC: F04B23/02 ,  F04B43/00 ,  F04B43/02 ,  B05B11/10

CPC classification number: F04B23/028 ,  B05B11/1047 ,  B05B11/1087 ,  F04B43/0063 ,  F04B43/026

Abstract: A device for dispensing a liquid may include a basin defining a reservoir, a pump including a barrel and a spring, the barrel coupled to the basin, the barrel defining a cavity, and the spring disposed in the cavity, and an actuator at least partially disposed in the reservoir, the actuator defining a first orifice, a second orifice, and a lumen extending between the first orifice and the second orifice, the reservoir in fluid communication with the lumen via the first orifice, the actuator depressible to move the second orifice in a first direction defined from the reservoir toward the cavity of the barrel, and the spring of the pump biasing the actuator to move in a second direction defined from the cavity of the barrel toward the reservoir.

公开(公告)号：US11812905B2

公开(公告)日：2023-11-14

申请号：US17626534

申请日：2020-07-24

Applicant: GOJO Industries, Inc.

Inventor： Nick E. Ciavarella

IPC: A47K5/14 ,  B05B7/00 ,  B05B11/04 ,  B05B11/10

CPC classification number: A47K5/14 ,  B05B7/0025 ,  B05B11/047 ,  B05B11/1087

Abstract: Exemplary embodiments of pumps having positive pressure venting and refill units are disclosed herein. An exemplary pump includes a liquid pump chamber, a liquid piston, a first air pump chamber, and a first air piston and a mixing area in fluid communication with the liquid pump chamber and the first air pump chamber. The exemplary pump further includes a second air pump chamber and a second air pump piston. The second air pump chamber is configured for pumping air into a container and the first air piston and the second air piston move in unison.