[특허]Dispenser for fluids

APTAR RADOLFZELL GMBH

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특허 상세정보

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Dispenser for fluids

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-011/00
출원번호	US-0111633 (2014-11-27)
등록번호	US-10035159 (2018-07-31)
우선권정보	DE-10 2014 200 867 (2014-01-17)
국제출원번호	PCT/EP2014/075753 (2014-11-27)
국제공개번호	WO2015/106868 (2015-07-23)
발명자 / 주소	Bruder, Thomas Baumann, Tobias
출원인 / 주소	APTAR RADOLFZELL GMBH
대리인 / 주소	Flynn, Thiel, Boutell & Tanis, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 7

초록
▼

Fluid dispenser for the discharge of pharmaceutical or cosmetic fluids including a fluid reservoir in which fluid is stored prior to discharge, an outlet channel through which the fluid is dispensed to an environment, and a pump chamber which, starting from an initial state with maximum pump chamber volume, is volumetrically reduced by a manual pump activation. An inlet valve arrangement is provided between the fluid reservoir and the pump chamber, which opens in a pressure regulated manner when a negative pressure exists in the pump chamber with respect to the fluid reservoir, and an outlet valve arrangement is provided between the pump chamber and the discharge opening. The outlet valve arrangement includes a switching valve mechanically compelled to open in reaction to a displacement of an activation handle and independent of the fluid pressure in the pump chamber.

대표
청구항
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1. A liquids dispenser for discharging pharmaceutical or cosmetic liquids, or liquids of the foodstuff sector, the dispenser comprising: a liquids reservoir in which liquid is stored prior to discharging;an outlet duct through which the liquid may be dispensed to an environment;a pump chamber which, proceeding from an initial state having a maximum pump chamber capacity, is volumetrically reducible by manual actuation of an actuation handle;an inlet valve assembly between the liquids reservoir and the pump chamber, the inlet valve assembly is opened in a pressure-controlled manner when there is negative pressure in the pump chamber in relation to the liquids reservoir; andan outlet valve assembly between the pump chamber and a discharge opening;wherein the outlet valve assembly comprises a switch valve which, independently of liquid pressure in the pump chamber, is forcibly opened in a mechanical manner as a reaction to the actuation handle being displaced;wherein the outlet valve assembly has a pressure relief valve which is opened in a pressure-controlled manner when there is positive pressure in the pump chamber in relation to the outlet duct;wherein the switch valve cannot be opened solely by pressure from the pump chamber;wherein the pump chamber has a flexible wall which enables volumetric variability of the pump chamber; andwherein the flexible wall of the pump chamber is configured so as to be closed in an encircling manner and has at one first end a substantially cylindrical first portion of an external diameter which is smaller than an internal diameter of a substantially cylindrical second portion at an opposite second end; and the flexible wall of the pump chamber in an actuated state of the actuation handle is deformed in such a manner that the first portion is surrounded by the second portion. 2. The liquids dispenser as claimed in claim 1, wherein the outlet valve assembly is configured in such a manner that the outlet valve assembly prevents opening in relation to the outlet duct when the actuation handle is not being actuated at least up to positive pressure in the pump chamber of 700 mbar. 3. The liquids dispenser as claimed in claim 2, wherein the switch valve has a first sealing face which is forcibly coupled to the actuation handle or is provided thereon, and a second sealing face which is movable in relation to the first sealing face and in a closed state of the outlet valve assembly bears on the first sealing face, wherein by displacing the actuation handle the second sealing face is traversed onto an opening region which is contiguous to the first sealing face and which is configured such that said opening region prevents the second sealing face bearing thereon in a tight manner. 4. The liquids dispenser as claimed in claim 3, wherein the component on which the first sealing face is provided, and the component on which the second sealing face is provided, are interconnected by a spring element which is tensioned when the second sealing face is transferred into the opening region. 5. The liquids dispenser as claimed in claim 3, wherein at least the second sealing face of the switch valve and at least one sealing face of the pressure relief valve are integrally configured. 6. A liquids dispenser for discharging pharmaceutical or cosmetic liquids, or liquids of the foodstuff sector, the dispenser comprising: a liquids reservoir in which liquid is stored prior to discharging;an outlet duct through which the liquid may be dispensed to an environment;a pump chamber which, proceeding from an initial state having a maximum pump chamber capacity, is volumetrically reducible by manual actuation of an actuation handle;an inlet valve assembly between the liquids reservoir and the pump chamber, the inlet valve assembly is opened in a pressure-controlled manner when there is negative pressure in the pump chamber in relation to the liquids reservoir; andan outlet valve assembly between the pump chamber and a discharge opening;wherein the outlet valve assembly comprises a switch valve which, independently of liquid pressure in the pump chamber, is forcibly opened in a mechanical manner as a reaction to the actuation handle being displaced;wherein the outlet valve assembly has a pressure relief valve which is opened in a pressure-controlled manner when there is positive pressure in the pump chamber in relation to the outlet duct;wherein the switch valve cannot be opened solely by pressure from the pump chamber; andwherein an opening portion which is displaceable by the actuation handle and has two active faces is provided, wherein a first active face of the two active faces is provided for impinging a first counter face on a valve body or on a valve flap with a force; wherein a second active face of the two active faces is provided for impinging a second counter face with a force, wherein the pump chamber is reducible in size by impinging the second counter face with a force; and in an initial state of the liquids dispenser, in which the actuation handle is not actuated, the spacing between the first active face and the first counter face is smaller than the spacing between the second active face and the second counter face. 7. The liquids dispenser as claimed in claim 6, wherein the pump chamber has in a region of the elastically deformable wall a shape which is formed by the deformable wall and which tapers off in a direction of the switch valve. 8. The liquids dispenser as claimed in claim 1, wherein the liquids dispenser is configured as a collapsible liquids dispenser. 9. The liquids dispenser as claimed in claim 1, wherein a sealing face of the pressure relief valve is integrally connected to the wall. 10. The liquids dispenser as claimed in claim 7, wherein the shape is a bell shape. 11. The liquids dispenser as claimed in claim 8, wherein the collapsible liquids dispenser comprises a tube.

이 특허에 인용된 특허 (7)

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특허 상세정보

Dispenser for fluids

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이 특허에 인용된 특허 (7)

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Dispenser for fluids

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이 특허에 인용된 특허 (7)

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IPC 상세정보(version : 201201)

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