B05B11/105

Dispensing pump with locking structures and methods of using the same

A dispensing pump includes a spring assembly and a locking arrangement to prevent the dispensing head from being deployed and/or actuated during shipment, stocking and pre-purchase handling. The dispensing pump includes a pump base, and a dispensing head having a piston stem. The spring assembly includes a slotted tubular spring element and first and second loading cones received at opposing ends of the slotted tubular spring element. Various locking arrangements may include interacting rotatable lugs provided between the dispensing head and the pump base, snap beads to retain the piston and dispensing head in a secured shipping position, and recyclable locking rings disposed between the dispensing head and pump base which prevent an active dispensing head from being actuated.

ELASTIC MEMBER AND PUMP ASSEMBLY COMPRISING SAME
20230001436 · 2023-01-05 ·

Provided is an elastic member according to an embodiment. The elastic member includes an upper support, a lower support provided under the upper support, and at least one elastic part configured to connect the upper support to the lower support, wherein the elastic part includes an upper support portion formed downward from the upper support, a lower support portion configured to extend upwardly from the lower support, and a connecting portion configured to connect the upper support portion to the lower support portion with a predetermined inclination and to be bent and deformed when the elastic member is pressed.

PUMP ATTACHMENT MEMBER
20230219108 · 2023-07-13 · ·

A pump attachment member, produced by plastic moulding, having a skirt, an annular plate and a receiving sleeve defining a receiving recess formed by a moulding pin which is forcibly withdrawn on release from the mould, the receiving recess having an inwardly projecting annular inlet rib, the attachment flange of a distribution member being held in the receiving recess by said annular inlet rib. The annular inlet rib having retaining segments for engaging with the attachment flange and mould release segments for engaging with the moulding pin on release from the mould.

Cosmetic container

Disclosed herein is a cosmetic container. The cosmetic container includes an inner cap coupled to a mouth of the container that accommodates contents therein, a pump coupled to the inner cap and inserted into the mouth of the container to discharge a fixed amount of contents, a push button provided in an upper portion of the inner cap, operating the pump by a push operation, and having on a side thereof a nozzle to discharge the contents, and a dip tube coupled at one end thereof to the pump to communicate therewith and inclined at the other end thereof downwards in a direction of a tip of the nozzle, a tip of the dip tube being disposed on an edge of a bottom surface of the container.

COSMETIC CONTAINER

Disclosed herein is a cosmetic container. The cosmetic container includes an inner cap coupled to a mouth of the container that accommodates contents therein, a pump coupled to the inner cap and inserted into the mouth of the container to discharge a fixed amount of contents, a push button provided in an upper portion of the inner cap, operating the pump by a push operation, and having on a side thereof a nozzle to discharge the contents, and a dip tube coupled at one end thereof to the pump to communicate therewith and inclined at the other end thereof downwards in a direction of a tip of the nozzle, a tip of the dip tube being disposed on an edge of a bottom surface of the container.

ATOMIZER
20220339371 · 2022-10-27 ·

An atomizer is disclosed. The atomizer includes: a pump housing including an internal chamber extending in an axial direction of the pump housing and a mounting seat disposed at a first end of the pump housing and being in communication with the internal chamber; a seal disposed in the mounting seat, the seal including a sealing sleeve and a first bore in the sealing sleeve and coaxial with the internal chamber, and at least a part of the seal resting against a mounting surface of the mounting seat; a pressing member at least partially disposed within the mounting seat and resting against the seal to press and keep the seal in the mounting seat, the pressing member including a second bore coaxial with the internal chamber; and a plunger, a first end of the plunger being disposed within the internal chamber of the pump housing through the second bore of the pressing member and the first bore of the seal, and the first end of the plunger being capable of reciprocating in the internal chamber to pump fluid in or out of the internal chamber; wherein the pump housing, the pressing member and the plunger together define a sealing cavity to accommodate the seal.

METHOD FOR ASSEMBLING DISPENSING DEVICES, AND DISPENSING DEVICE

Methods and apparatus for assembling dispensing devices and/or for dispensing a medicament include a sealing element fixed in a receiving space of the dispensing device with a specific assembly parameter. A plurality of sealing elements is produced in batches, and all sealing elements of a batch are fixed with the same assembly parameter.

Fluid seal having multiple diameters
11619305 · 2023-04-04 ·

A seal to prevent fluid transfer using double diameters to provide a tighter seal is disclosed. The double diameter seal has a body with a first diameter containing an upper contact area and a second diameter forming a lower contact point. A notch extends into the body between the upper contact area and the lower contact point for a predetermined distance to form a transition point. In use, the first diameter is dimensioned to place a portion of the length of the upper contact area in sliding engagement adjacent to a length of the first surface. The second diameter dimensioned to place the lower contact point contacting an angled second surface of a valve.

TRIGGER-TYPE LIQUID DISPENSER

A trigger-type liquid dispenser that, even when lateral force is applied to a trigger, prevents liquid leakage. The trigger-type liquid dispenser includes a pump, which includes: a cylinder, which includes an inner tubular wall and an outer tubular wall; a piston, which has a front-side end portion; a front-side sealing piece and a rear-side sealing piece; an outer-circumferential-side support portion; and an inner-circumferential-side support portion. The outer-circumferential-side support portion is provided with an annular cut-off portion, which forms a gap between the outer-circumferential-side support portion and an outer circumferential surface of the piston.

DISPENSING PUMP WITH POLYMER SPRING, BASE VENTING AND FLOW BAFFLE

A dispensing pump (1000) includes a polymer compression spring (1048), base vents (1060) and a flow baffle (1092). The dispensing pump includes a pump base (1002), and a dispensing head (1004) having a piston stem (1034). The polymer compression spring assembly includes a slotted tubular spring element (1048) and first and second loading cones received at opposing ends of the slotted tubular spring element. The venting ports allow air to escape when capping the container after filling and the flow baffle reduces or prevents the product from being pulled into the pump accumulator before residual air (headspace) has been evacuated from the container during the initial priming strokes.