CN104224553B - Bottle intake valve - Google Patents

Bottle intake valve Download PDF

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Publication number
CN104224553B
CN104224553B CN201410410472.4A CN201410410472A CN104224553B CN 104224553 B CN104224553 B CN 104224553B CN 201410410472 A CN201410410472 A CN 201410410472A CN 104224553 B CN104224553 B CN 104224553B
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bottle
gas nozzle
bottom
intake valve
sealing plug
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CN201410410472.4A
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Chinese (zh)
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CN104224553A (en
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林四海
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林四海
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Abstract

本发明提供一种奶瓶进气阀,它包括圆环形底座(1)、柔性材料制成的内部中空且外壁与预装奶瓶底部的通孔紧配合的圆柱形密封塞(2)、第一气嘴(3),所述第一气嘴(3)的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气压时即关闭的进气孔(7),所述密封塞(2)的底端与圆环形底座(1)连接、且密封塞(2)的内部通孔与圆环形底座(1)的内部圆孔相通,所述密封塞(2)的顶端与第一气嘴(3)的底部连接。 The present invention provides a bottle intake valve, comprising an annular base (1), and the outer wall of the hollow interior through hole at the bottom of the bottle preloaded flexible material close-fitting cylindrical sealing plug (2), a first top gas nozzle (3), the first gas nozzle (3) is provided with a bottle when the internal pressure less than atmospheric pressure i.e. open, and when the bottle internal pressure equal to the atmospheric air inlet hole that is closed (7), said sealing a plug (2) and the bottom end of the annular base (1) is connected, and the sealing plug (2) inside the through hole of the circular annular base (1) communicating the interior of the circular hole, the sealing plug (2) to the top the bottom is connected to the first gas nozzle (3). 该奶瓶进气阀安装方便,安装后使奶瓶不渗漏、使用安全。 The intake valve bottle easy to install, after installation so that the bottle does not leak, the use of safety.

Description

奶瓶进气阀 Bottle intake valve

技术领域 FIELD

[0001]本发明涉及婴幼儿用品领域,具体涉及一种奶瓶进气阀。 [0001] The present invention relates to the field of infant supplies, particularly to a bottle intake valve.

背景技术 Background technique

[0002]我们知道,奶瓶是一种盛奶的器具,用于供婴儿饮食之用。 [0002] We know that a bottle filled milk utensils, baby food purposes used for. 现有奶瓶一般包括瓶体、塑料连接件、硅胶奶嘴及防尘盖。 Bottle comprises a bottle body generally conventional, plastic connectors, and silica dust cover nipple. 为保证奶水的顺利进食,一般在硅胶奶嘴上设置有进气孔,其工作原理是当奶瓶内压力低于大气压时,硅胶奶嘴的弹性材质使进气孔张开得以进气。 To ensure the smooth feeding of milk, are generally provided with inlet holes on silica gel nipple, which works when the bottle below atmospheric pressure, the resilient material of silicone nipple hole open to the intake air. 该种奶瓶的进气结构容易引发奶水逆流渗漏的情况,存在一定的安全隐患。 Air intake structure of the kind of situation which can lead to milk bottles backflow leakage, there is a certain security risk.

发明内容 SUMMARY

[0003]本发明所要解决的技术问题是针对以上现有技术的不足,提供一种奶瓶进气阀,该奶瓶进气阀安装方便,安装后使奶瓶不渗漏、使用安全。 [0003] The present invention solves the technical problem is the lack of prior art for the above, there is provided a bottle intake valve, the intake valve is easy to install the bottle, the bottle does not leak after installation to make, safe to use.

[0004]为解决上述问题,本发明提供一种奶瓶进气阀,该奶瓶进气阀包括圆环形底座、柔性材料制成的内部中空且外壁与预装奶瓶底部的通孔紧配合的圆柱形密封塞、第一气嘴,所述第一气嘴的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气压时即关闭的进气孔,所述密封塞的底端与圆环形底座连接、且密封塞的内部通孔(内部中空形成通孔)与圆环形底座的内部圆孔相通,所述密封塞的顶端与第一气嘴的底部连接。 [0004] In order to solve the above problems, the present invention provides a bottle intake valve, the intake valve of the bottle comprises a circular annular base, the outer wall of the internal hollow and the bottom of the through-hole pre bottle made of flexible material cylindrical tight fit shaped sealing plug, a first air nozzle, the first gas nozzle is provided on top of the bottle when the internal pressure less than atmospheric pressure i.e. open, and when the bottle internal pressure equal to the atmospheric i.e. closed air intake, the bottom of the sealing plug circular base end connected to the sealing plug and inside the through hole (the through-hole formed in the hollow interior) and the inner circular annular base communication, the bottom to the top of the first sealing plug is connected to the gas nozzle.

[0005]采用以上结构后,本发明与现有技术相比,具有以下优点:本发明设置专门进气阀用于奶瓶进气,密封塞密封塞于奶瓶瓶体底部,当婴儿倾斜奶瓶喝奶的时候,该进气阀位于奶瓶底部即上方,不与奶水接触,与瓶内空气接触,且由于进气孔直接与空气接触,进气更为顺畅,这使得婴」L进食奶水更为省力。 [0005] With the above structure, compared with the prior art the present invention has the following advantages: the present invention is specifically provided for the intake valve inlet bottle, the sealing plug sealing plug at the bottom of the bottle body, is inclined when the baby milk bottle when the intake valve is located above the bottom of the bottle that is not in contact with the milk, in contact with the air in the vessel, since the intake port and direct contact with air, the intake air more smoothly, which makes infants' feeding milk more effort L .

[0006]作为优选,所述第一气嘴为圆锥形气嘴,所述第一气嘴底部的外径大于密封塞的外径、且第一气嘴与圆环形底座之间的垂直距离大于预装奶瓶底部通孔的高度。 [0006] Advantageously, the first gas nozzle conical air nozzle, the outer diameter of the bottom of the first gas is greater than the outer diameter of the nozzle sealing plug, and the first gas between the nozzle and the vertical distance from the annular base is greater than the pre-bottle bottom of the via height. 采用这种结构,进气阀被塞进奶瓶底部的通孔后就不容易脱出,保证使用安全。 With this structure, the through hole of the intake valve into the bottom of the bottle is not readily released, ensure safety.

[0007]作为优选,所述圆锥形的第一气嘴的两边沿着锥度为两片(一对)相对设置的、且顶部接触(形成进气孔)的平的薄膜,其中薄膜的厚度为0.1-1.2mm,优选为0.5mm。 [0007] Advantageously, both sides of the first air nozzle conical two (a pair) disposed along opposing taper, and a top contact (intake hole is formed) of the flat film, wherein the film has a thickness 0.1-1.2mm, preferably 0.5mm.

[0008]作为优选,所述底座、密封塞、第一气嘴由硅胶材料一体成型。 [0008] Advantageously, said base, sealing plug, the first gas nozzles are integrally molded from silicone material. 硅胶材料密封性能更好,且方便塞入和脱出;一体成型的结构牢固、经久耐用,且更易清洗、不易积累污垢、更为卫生。 Silicone materials better sealing performance, and convenient and stuffed prolapse; firmly integrally formed, durable, and more easy to clean, easy accumulation of dirt, more hygienic.

[0009]作为优选,本发明奶瓶进气阀还包括第二进气组件,所述第二进气组件包括紧配合于密封塞内孔(内部中空形成内孔)的中空塞、第二气嘴,所述第二气嘴的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气压时即关闭的进气孔,所述中空塞的顶部与第二气嘴的底部连接,所述第二气嘴与第一气嘴之间为中空腔。 [0009] Advantageously, the bottle of the present invention, the intake valve further includes a second air intake assembly, the second intake assembly comprises a tight fit in the seal plug hole (hole formed in the hollow interior) of the hollow plug, a second gas nozzle , the top of the secondary air nozzle is provided with a bottle when the internal pressure less than atmospheric pressure i.e. open, and when the bottle internal pressure equal to the atmospheric air inlet port that is closed, the top and bottom of the second air nozzle is connected to the hollow plug , between the secondary air nozzle and the gas nozzle is in the first cavity. 第二进气组件的设置给该奶瓶进气阀又多了一道保护屏障,主要表现为:(I)万一奶水从第一气嘴上的进气孔渗漏,奶水进入第二气嘴与第一气嘴之间的中空腔,而不直接渗漏到奶瓶外;(2)由于进气阀位于瓶体底部,容易沾到污物,通过以上设置双层进气阀后,污物接触到的是第二气嘴,中间隔着中空腔,绝对不会碰到与奶水接触有接触的第一气嘴,保证奶水不被外接污物污染,使用更为安全;(3)双层进气阀的结构有利于延长使用寿命,万一其中一个进气阀损坏,有另一个进气阀的存在,还能使该奶瓶进气阀继续发挥作用。 A second air intake assembly to the bottle intake addition of a protective barrier, mainly as: (I) from the milk in case of leakage of the first gas inlet hole mouth, with the milk entering the second air nozzle the cavity between the first gas nozzle, without leakage to the outside of the bottle directly; (2) Since the intake valve at the bottom of the bottle, easy dirt stains, the above setting by the double inlet valve, to dirt to the second air nozzle, the cavity interposed therebetween, never come in contact with the first contact milk gas nozzle, to ensure that milk is not contaminated by external contaminants, safer to use; (3) into the double structure is conducive to extend the life of the valve, in case one of the intake valve is damaged, there exists another intake valve, but also to make the bottle intake valve continues to function.

[0010]作为优选,所述第二气嘴为圆锥形气嘴,该圆锥形气嘴的底部卡接于密封塞;所述中空塞的外部底端一体成型有卡接于底座的圆环形凸台,所述圆环形凸台的底部与圆环形底座的底部齐平。 [0010] Advantageously, the second gas nozzle conical air nozzle, the conical air nozzle connected to the bottom tabs of the sealing plug; outer bottom end of the hollow stopper is integrally formed with the base to snap circular bottom and bottom annular base projection, said annular projection is flush. 以上卡接的结构使得中空塞和密封塞连接更为牢固,更不易脱落,也使使用更为安全。 The above structure makes snap hollow sealing plug connector plug more firmly and more easy to fall off, but also to use safer.

[0011]作为优选,所述圆锥形的第二气嘴两边沿着锥度为两片(一对)相对设置的、且顶部接触的平的薄膜,其中薄膜的厚度为0.1-1.2mm,优选为0.5mm。 [0011] Advantageously, the second conical air nozzle two sides (a pair) disposed along opposing taper, and in contact with the top of the flat film, wherein the film thickness of 0.1-1.2 mm, preferably 0.5mm.

[0012]作为优选,所述中空塞、第二弹性圆锥膜由硅胶材料一体成型。 [0012] Advantageously, said hollow plug, the second elastic membrane is integrally formed by a conical silicone material. 一体成型的结构牢固、经久耐用,且更易清洗、不易积累污垢、更为卫生。 A solid one-piece construction, durable, and more easy to clean, easy to accumulate dirt, more hygienic.

附图说明 BRIEF DESCRIPTION

[0013]图1所示的是本发明奶瓶进气阀的斜视图; It is illustrated in [0013] FIG bottle intake valve 1 a perspective view of the present invention;

[0014]图2所示的是本发明奶瓶进气阀的剖视图(垂直进气孔方向); Is a sectional view of the bottle of the present invention, the intake valve (intake hole vertical direction) as shown in [0014] FIG 2;

[0015]图3所示的是本发明奶瓶进气阀的另一剖视图(沿着进气孔方向)。 Is illustrated in [0015] FIG. 3 another sectional view of the bottle of the present invention, the intake valve (intake hole along a direction).

[0016]其中:1、底座;2、密封塞;3、第一气嘴;4、中空塞;4.1、圆环形凸台;5、第二气嘴;6、中空腔;7、进气孔。 [0016] wherein: a base; 2, a sealing plug; 3, a first gas nozzle; 4, hollow plug; 4.1, the annular boss; 5, a second gas nozzle; 6, the cavity; 7, intake hole.

具体实施方式 Detailed ways

[0017]以下结合实施例对本发明作进一步具体描述。 [0017] The following embodiments in conjunction with embodiments of the present invention will be described in further detail. 应该指出,以下具体说明都是例示性的,旨在对本发明提供进一步的说明。 It should be noted that the following detailed description are exemplary, and are intended to provide further explanation of the invention. 除非另有说明,本发明使用的所有科学和技术术语具有与本发明所属技术领域人员通常理解的相同含义。 Unless otherwise stated, all scientific and technical terms used in the present invention has the same meaning as the art to which this invention belongs art commonly understood.

[0018]如图1、2、3所示,本发明奶瓶进气阀包括圆环形底座1、柔性材料制成的内部中空且外壁与预装奶瓶底部的通孔紧配合的圆柱形密封塞2、第一气嘴3,所述第一气嘴3的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气压时即关闭的进气孔7,所述密封塞2的底端与圆环形底座I连接、且密封塞2的内部通孔与圆环形底座I的内部圆孔相通,所述密封塞2的顶端与第一气嘴3的底部连接。 [0018] As shown, the intake valve of the present invention comprises a bottle circular base 1, a hollow interior and an outer wall of the through-hole of the pre-bottom bottles of flexible material close-fitting cylindrical sealing plug 1,2,3 2, the first gas nozzle 3, a first air nozzle is provided with a top 3 of the bottle when the internal pressure less than atmospheric pressure i.e. open, and when the gas pressure inside the bottle that is equal to the atmospheric air inlet port 7 closed, the sealing plug 2 the bottom end connected to a circular annular base I, and the sealing plug 2 inside the through hole in communication with the interior of the circular annular base I, the sealing plug to the top and bottom of the first gas nozzle 2 is connected to 3. 所述底座1、密封塞2、第一气嘴3由娃胶材料一体成型。 The base 1, the sealing plug 2, the first gas nozzle 3 is integrally molded from a plastic material Wa.

[0019]所述第一气嘴3为圆锥形气嘴,所述第一气嘴3底部的外径大于密封塞2的外径、且第一气嘴3与圆环形底座I之间的垂直距离大于预装奶瓶底部通孔的高度,以密封塞2刚好能卡入奶瓶底部为最好。 [0019] The first gas nozzle conical air nozzle 3, an outer diameter of the bottom gas nozzle is larger than the first outer diameter of the sealing plug 2, and the first gas between the nozzle 3 of the circular annular base I vertical distance greater than the height of the bottom of the via pre bottle, just enough to seal the plug 2 into the bottom of the bottle is the best card.

[0020]所述圆锥形的第一气嘴3的两边沿着锥度为两片(一对)相对设置的、且顶部接触的平的薄膜,其中薄膜的厚度为0.1-1.2_,优选为0.5_,由这两片薄膜形成一个“一”字形的进气孔7,在需要进气的时候可自动张开、进完气后可自动关闭。 [0020] conical shape of the first air nozzle 3 on both sides of the two (a pair) disposed along opposing taper, and in contact with a flat top film, wherein the film thickness is 0.1-1.2_, preferably 0.5 _, a film is formed from two sheets "a" shaped inlet hole 7, can be opened automatically when needed intake air, the intake air can be finished off automatically.

[0021]本发明奶瓶进气阀还包括第二进气组件,所述第二进气组件包括紧配合于密封塞2内孔的中空塞4、第二气嘴5,所述第二气嘴5的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气压时即关闭的进气孔7,所述中空塞4的顶部与第二气嘴5的底部连接,所述第二气嘴5与第一气嘴3之间为中空腔6。 [0021] The present invention further bottle intake valve includes a second inlet assembly, the second intake assembly comprises a tight-fitting sealing plug in the bore 2 a hollow plug 4, the second air nozzle 5, the second air nozzle 5 is provided at the top when the internal pressure less than atmospheric pressure i.e. open bottle, and the bottle when the internal gas pressure that is equal to the atmospheric air inlet port 7 closed, the top of the hollow plug 4 and the second air nozzle 5 connected to the bottom of the 5 and the second air nozzle between the first air nozzle 3 in the cavity 6.

[0022]所述第二气嘴5为圆锥形气嘴,该圆锥形气嘴的底部卡接于密封塞2;所述中空塞4的外部底端一体成型有卡接于底座I的圆环形凸台4.1,所述圆环形凸台4.1的底部与圆环形底座I的底部齐平。 [0022] The second gas nozzle conical air nozzle 5, the bottom of the conical air nozzle sealing plug 2 connected to the card; outer bottom end of the hollow plug 4 is integrally formed with the base I snap ring 4.1-shaped boss, the annular bottom of the bottom projection and a circular annular base 4.1 I flush. 所述中空塞4、第二气嘴5由硅胶材料一体成型。 Said hollow plug 4, the second air nozzle 5 are integrally molded from silicone material.

[0023]所述圆锥形的第二气嘴5两边沿着锥度为两片(一对)相对设置的、且顶部接触(形成进气孔)的平的薄膜,其中薄膜的厚度为0.1-1.2mm,优选为0.5mm。 [0023] The second conical air nozzle 5 on both sides of two (a pair) disposed along opposing taper, and a top contact (intake hole is formed) of the flat film, wherein the film thickness of 0.1-1.2 mm, preferably is 0.5mm.

[0024]当然,第一气嘴3、第二气嘴5也可以为符合使用需求的其他形状,如蘑菇形气嘴,在蘑菇形气嘴的顶部再设置上述圆锥形气嘴的结构,或其他符合进气要求的形状结构,用于进气。 [0024] Of course, the first gas nozzle 3, a second air nozzle 5 may be used to meet the needs of other shapes, such as mushroom-shaped air nozzle, air nozzle at the top of the mushroom-shaped configuration further provided the above-described conical air nozzle, or other shapes of the intake structure conforms to the requirements for air intake.

[0025]以上实施例是对本发明的说明和进一步解释,而不是对本发明的限制,在本发明的权利范围内所作的任何修改,都落入本发明的保护范围。 [0025] The above examples are illustrative of embodiments of the present invention and further explanation, not limitation of the present invention, any modifications made within the scope of the present invention, are within the scope of the present invention.

Claims (8)

1.一种奶瓶进气阀,其特征在于:包括圆环形底座(I)、柔性材料制成的内部中空且外壁与预装奶瓶底部的通孔紧配合的圆柱形密封塞(2)、第一气嘴(3)、第二进气组件,所述第一气嘴(3)的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气压时即关闭的进气孔(7),所述第一气嘴(3)为圆锥形气嘴,所述第一气嘴(3)底部的外径大于密封塞(2)的外径、且第一气嘴(3)与圆环形底座(I)之间的垂直距离大于预装奶瓶底部通孔的高度,所述密封塞(2)的底端与圆环形底座(I)连接、且密封塞(2)的内部通孔与圆环形底座(I)的内部圆孔相通,所述密封塞(2)的顶端与第一气嘴(3)的底部连接;所述第二进气组件包括紧配合于密封塞(2)内孔的中空塞(4)、第二气嘴(5),所述第二气嘴(5)的顶部设置有当奶瓶内部气压小于大气压时即开启、且当奶瓶内部气压等于大气 A bottle intake valve, characterized by: a circular annular base (the I), with a hollow interior and an outer wall of the through hole of the pre-bottom bottles of flexible material close-fitting cylindrical sealing plug (2), a first gas nozzle (3), the second air intake assembly, the top of the first gas nozzle (3) is provided with a bottle when the internal pressure less than atmospheric pressure i.e. open, and when the bottle internal pressure equal to the atmospheric air intake close i.e. the outer diameter of the hole (7), the first gas nozzle (3) is a conical air nozzle, the first gas nozzle (3) is greater than the outer diameter of the bottom of the sealing plug (2), and the first gas nozzle (3 ) and the vertical distance between the annular base (I) is greater than the height of the bottom of the via pre bottle, the bottom end of the sealing plug (2) with a circular base (I) is connected, and the sealing plug (2) the through hole communicates with the internal circular base (I) of the inner circular hole, the sealing plug (2) to the top of the first gas nozzle (3) connected to the bottom; the second intake assembly comprises a tight fit in a sealing plug (2) the inner bore of the hollow plug (4), a second gas nozzle (5), the top of the second gas nozzle (5) is provided with a bottle when the internal pressure less than atmospheric pressure i.e. open, and when the internal gas pressure bottle equal to atmospheric 压时即关闭的进气孔(7),所述中空塞(4)的顶部与第二气嘴(5)的底部连接,所述第二气嘴(5)与第一气嘴(3)之间为中空腔(6)。 When the pressure inlet hole that is closed (7), the top of the hollow plug (4) and a second gas nozzle (5) is connected to the bottom, the second gas nozzle (5) with the first gas nozzle (3) is between the cavity (6).
2.根据权利要求1所述的奶瓶进气阀,其特征在于:所述圆锥形的第一气嘴(3)的两边沿着锥度为两片相对设置的、且顶部接触的平的薄膜,其中薄膜的厚度为0.1-1.2mm。 The bottle according to claim 1, wherein the intake valve, wherein: said first conical air nozzle (3) is tapered along two sides disposed opposite to, and in contact with the top flat film, wherein the film has a thickness of 0.1-1.2mm.
3.根据权利要求2所述的奶瓶进气阀,其特征在于:所述薄膜的厚度为0.5mm。 3. The bottle according to claim 2, the intake valve, wherein: the film has a thickness of 0.5mm.
4.根据权利要求1所述的奶瓶进气阀,其特征在于:所述底座(1)、密封塞(2)、第一气嘴(3)由娃胶材料一体成型。 The bottle according to claim 1, wherein the intake valve, wherein: the base (1), the sealing plug (2), a first gas nozzle (3) are integrally molded from a plastic material Wa.
5.根据权利要求1所述的奶瓶进气阀,其特征在于:所述第二气嘴(5)为圆锥形气嘴,所述第二气嘴(5)的底部卡接于密封塞(2);所述中空塞(4)的外部底端一体成型有卡接于底座(I)的圆环形凸台(4.1),所述圆环形凸台(4.1)的底部与圆环形底座(I)的底部齐平。 The bottle of the intake valve according to claim 1, wherein: said second gas nozzle (5) is a conical air nozzle, said second gas nozzle (5) connected to the bottom tabs of the sealing plug ( 2); a bottom end of the hollow outer plug (4) is integrally formed with a snap-in base (I) of the annular projection (4.1), said annular projection (4.1) of the circular bottom a bottom base (I) flush.
6.根据权利要求5所述的奶瓶进气阀,其特征在于:所述圆锥形的第二气嘴(5)两边沿着锥度为两片相对设置的、且顶部接触的平的薄膜,其中薄膜的厚度为0.1-1.2mm。 The bottle of the intake valve according to claim 5, wherein: said second conical air nozzle (5) along the tapered sides of two opposite, flat and in contact with the top film, wherein the film thickness of 0.1-1.2mm.
7.根据权利要求6所述的奶瓶进气阀,其特征在于:所述薄膜的厚度为0.5mm。 Feeding bottle according to claim 6 of the intake valve, wherein: the film has a thickness of 0.5mm.
8.根据权利要求1所述的奶瓶进气阀,其特征在于:所述中空塞(4)、第二气嘴(5)由硅胶材料一体成型。 The bottle according to claim 1, wherein the intake valve, wherein: said hollow plug (4), a second gas nozzle (5) are integrally molded from silicone material.
CN201410410472.4A 2014-08-20 2014-08-20 Bottle intake valve CN104224553B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002070933A2 (en) * 2001-03-02 2002-09-12 Warwick Leonard Ronald Hughes Aerating valve and system for closed drinking vessels
TWM259600U (en) * 2004-06-04 2005-03-21 Min-Tsang Shiu Improved high efficiency granular ventilating valve structure of feeding bottle
CN203970939U (en) * 2014-08-20 2014-12-03 林四海 Milk bottle inlet valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080087623A1 (en) * 2006-10-17 2008-04-17 Grazioli Jason A Feeding bottle including an air vent for pressure equalization during feeding
CA2857680A1 (en) * 2011-12-01 2013-06-06 Munchkin, Inc. System and method for venting, priming and modifying a flow rate of fluid from a container

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002070933A2 (en) * 2001-03-02 2002-09-12 Warwick Leonard Ronald Hughes Aerating valve and system for closed drinking vessels
TWM259600U (en) * 2004-06-04 2005-03-21 Min-Tsang Shiu Improved high efficiency granular ventilating valve structure of feeding bottle
CN203970939U (en) * 2014-08-20 2014-12-03 林四海 Milk bottle inlet valve

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