A dispenser for dispensing a fluid includes a rigid vial that has a main fluid chamber containing a fluid, and a pump assembly that is in fluid communication with the main fluid chamber and is configured to dispense a predetermined quantity of fluid from the main fluid chamber. A flexible bladder is provided which is located within the main fluid chamber and is configured to expand to fill the ullage created within the main fluid chamber during dispensing of fluid by the pump assembly. The resilient bladder tends to force itself outwardly toward the rigid vial and, in turn, increases the pressure within the main fluid chamber in comparison to the interior of the bladder to thereby prevent the ingress of air or vapors through the bladder or otherwise into the main fluid chamber.

A trigger-type liquid ejector includes: an ejector main body; and nozzle member provided with an ejection hole. The ejector main body includes: a vertical supply pipe for sucking-up liquid; an ejection barrel communicating with the inside of the vertical supply pipe; and a trigger mechanism including a trigger, the trigger being arranged to be movable rearward in state of receiving forward force, and the trigger mechanism being lead liquid from the vertical supply pipe into the ejection barrel in accordance with rearward movement of the trigger and to eject the liquid from the ejection barrel. The nozzle member is provided with: a cylinder communicating with the inside of the ejection barrel through a supply hole; a plunger accommodated in the cylinder to be movable rearward in a state of receiving forward force; and a communication hole allowing the inside of the cylinder and ejection hole to communicate with each other.

A fluid dispenser device including an outlet, a pocket having an interior volume for containing a fluid, the interior volume being delimited at least in part by a movable wall, a reservoir arranged to contain the fluid, a pocket cap, a cavity, a reservoir orifice joining the reservoir and the cavity; wherein the pocket cap is arranged to be mounted by insertion in the cavity of the device so as to be mounted by extending: —by passing through the pocket at least partially while passing through the movable wall or—by going along the pocket at least partially, the device comprising an inlet orifice arranged to insert the pocket cap into the device from the outside of the device and opening into the cavity.

The present invention provides an improved pump assembly incorporating a liquid pump and an air pump and which pump includes a flexible annular diaphragm member coaxially about a piston-forming element forming a component with the liquid pump.

A trigger type sprayer capable of easily performing air vent in a space between a second valve and a first valve, and preventing leakage of liquid in use is provided. The present invention includes a body 11 having a first flow channel 11a through which liquid can flow, a second flow channel 11d communicating with the first flow channel 11a, and a cylindrical cylinder chamber 11b communicating with the second flow channel 11d; a hollow piston 13 slidably incorporated into the cylinder chamber 11b, having a valve seat 13b and a hollow portion 13d of a second valve 14, and sliding back and forth according to operation of a trigger 12; the second valve 14 incorporated into the hollow portion 13d of the hollow piston 13 and positioned at a downstream side; and a first valve 15 incorporated into the cylinder chamber 11b and positioned at an upstream side, wherein the first valve 15 is pressed by the second valve 14 so that the first valve 15 is opened.

[Object] To provide a push-type dispenser that is simple in structure and yet capable of surely preventing liquid leakage even when it topples over. [Solution] A push-type dispenser 100 includes: a cap section 1 that is attachable to a container X containing a liquid; a housing section 2 fixedly fitted in a central portion of the cap section 1; a piston section 3 that is slidable in the housing section 2; a nozzle head section 4 fitted on an upper portion of the piston section 3; a spring section 5 housed in the housing section 2 and configured to bias the nozzle head section 4 upward; a tube section 6 attached to a lower portion of the housing section 2; an F valve A housed in the housing section 2 and configured to open and close a flow channel through which the liquid flows from inside the tube section 6 into the housing section 2; and an S valve B housed in the piston section 3 and configured to open and close a flow channel through which the liquid flows inside of the piston section 3, wherein the liquid is ejected from inside the housing section 2 by moving the nozzle head section 4 downward, the piston section 3 has a through-hole 34, provided in a side surface of the upper portion of the piston section 3, through which the liquid flows, and the through-hole 34 is opened and closed by rotating the nozzle head section 4 circumferentially with respect to the piston section 3.

Disclosed is a liquid pump (100, 200, 300, 400, 500, 600, 700, 800, 900), including a movable unit and a fixed unit. The movable unit is capable of moving relative to the fixed unit so as to pump a product out. An elastic mechanism (130, 230, 330, 430, 530, 630, 730, 820, 930) is provided between the movable unit and the fixed unit, and the elastic mechanism (130, 230, 330, 430, 530, 630, 730, 820, 930) comprises at least one elastic strip (131, 231, 331, 431, 531, 631, 731, 821, 931). The elastic strip (131, 231, 331, 431, 531, 631, 731, 821, 931) applies a biasing force to the movable unit to restore the movable unit after the product is pumped. The liquid pump (100, 200, 300, 400, 500, 600, 700, 800, 900) further comprises an elastic mechanism adjusting member movable between a first position in which the elastic strip (131, 231, 331, 431, 531, 631, 731, 821, 931) of the elastic mechanism (130, 230, 330, 430, 530, 630, 730, 820, 930) is in a relaxed state, and a second position in which the elastic strip (131, 231, 331, 431, 531, 631, 731, 821, 931) of the elastic mechanism (130, 230, 330, 430, 530, 630, 730, 820, 930) is in a preloaded state. With the provision of the elastic mechanism adjusting member, it is convenient to press down a pressing head (110, 210, 310, 410, 510, 610, 710, 910) during use, and the yielding deformation of the elastic strip (131, 231, 331, 431, 531, 631, 731, 821, 931) due to long-term stress can also be avoided.

In exemplary embodiments of the present invention, various novel dispensing devices can be provided. Such devices can involve a range of sprayer heads and sprayer/foamer systems incorporating such heads. Novel sprayer/foamer heads can include buffers of various types. By using a buffer, a user need not continually be pumping the device in order for the device to be spraying or foaming. In exemplary embodiments of the present invention, such a buffer can be spring loaded, spring loaded combination, elastomeric or gas. In exemplary embodiments of the present invention, the buffer can be in line or adjacent to a piston chamber. If adjacent, it can be connected to the piston chamber with a one way valve, to provide for spray after a downstroke of the piston has been completed, or without, to allow spraying to cease once a user releases the trigger or other actuator. In exemplary embodiments of the present invention, such novel sprayers and foamers can be mounted upside down, in various “Flairomop” devices, used to clean floors or the like. When using a buffer, a piston chamber can be designed to deliver greater amount of liquid per unit time than can be possibly dispensed through the nozzle or nozzles. The fraction of liquid that cannot be sent through the nozzle(s), due to their inherent restriction, can thus be sent to the buffer for dispensing after the piston downstroke has been completed. A volume of the piston chamber, a volume of the buffer, a pressure response of the buffer, the throughput of the nozzle, and the minimum opening pressure of the outlet valve can be arranged to restrict the outlet pressures of liquid droplets exiting the nozzle within a defined range.

A cosmetic container is disclosed. One aspect of the invention provides a cosmetic container that includes: a body in which an interior space is formed for holding a content; a body shoulder coupled to an upper part of the body; and a pump coupled to an upper part of the body shoulder, where the body shoulder includes an outer periphery member inserted into the body, an inner periphery member positioned on the inside of the outer periphery member, a placement step formed on an upper part of the inner periphery member, and a pump support protruding downward from the placement step and having the pump inserted through an inside thereof, and where the pump includes a housing inserted through the pump support, and a housing flange configured to rest on the placement step is formed on an outer perimeter of the housing.

A plastic spring, a pump core, a lotion pump and a press-type packaging container. The plastic spring includes at least one spring unit. Each spring unit includes a first support member, a second support member, and at least two torsion arms. The at least two torsion arms are arranged between the first support member and the second support member, and both ends of each of the torsion arms are respectively connected with the first support member and the second support member. Each of the torsion arms includes at least one vertical section, and an end of each vertical section is connected with the first support member or the second support member.