JP2000046211A - Ball stop cock with built-in strainer, and strainer for stop cock - Google Patents
Ball stop cock with built-in strainer, and strainer for stop cockInfo
- Publication number
- JP2000046211A JP2000046211A JP10212522A JP21252298A JP2000046211A JP 2000046211 A JP2000046211 A JP 2000046211A JP 10212522 A JP10212522 A JP 10212522A JP 21252298 A JP21252298 A JP 21252298A JP 2000046211 A JP2000046211 A JP 2000046211A
- Authority
- JP
- Japan
- Prior art keywords
- strainer
- ball
- stopcock
- flange
- flow path
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、ストレーナ内蔵ボール
止水栓に関する。さらに詳細に言えば、ストレーナの着
脱を従来に比してきわめて容易にしたストレーナ内蔵ボ
ール止水栓に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball stopcock with a built-in strainer. More specifically, the present invention relates to a ball stopcock with a built-in strainer, in which the attachment and detachment of the strainer is extremely easy as compared with the related art.
【0002】[0002]
【従来の技術】止水栓内部の流路に、流れる水のなかの
ゴミや異物を取り除くためにストレーナが設けられるこ
とがある。例えばボール止水栓のボール弁体に形成され
た貫通流路内に配置されたりする。2. Description of the Related Art A strainer is sometimes provided in a flow passage inside a water stopcock in order to remove dust and foreign matters in flowing water. For example, it is arranged in a through flow passage formed in a ball valve body of a ball stopcock.
【0003】[0003]
【発明が解決しようとする課題】このようにボール弁体
の流路内にストレーナを取付ける場合、例えば止め輪を
流路内壁に形成された円周溝に嵌め込んでストレーナを
固定する。ところで一旦取り付けたストレーナも、付着
するゴミが次第に増加し、そのまま放置することは不都
合で、掃除或いは交換の必要がある。この場合、止め輪
等を使用したものでは、ボール弁体を止水栓内に配置し
たままでのストレーナの取付け、取り外しは作業スペー
スがきわめて狭い為、難渋する。When the strainer is mounted in the flow path of the ball valve body, the strainer is fixed by, for example, fitting a retaining ring into a circumferential groove formed on the inner wall of the flow path. By the way, once the strainer is attached, the amount of dust attached thereto gradually increases, and it is inconvenient to leave the strainer as it is, and it is necessary to clean or replace the strainer. In this case, in the case where a retaining ring or the like is used, it is difficult to install and remove the strainer with the ball valve disposed in the water stopcock because the working space is extremely narrow.
【0004】本願発明は上記従来技術の問題点に鑑みな
されたものである。すなわち、本願発明は、ボール弁体
を止水栓本体内に配置したままで、ボール弁体の流路内
へのストレーナの取付け、取り外しを容易に行える、ボ
ール止水栓及び該止水栓用のストレーナを提供すること
を課題とする。[0004] The present invention has been made in view of the above-mentioned problems of the prior art. That is, the present invention provides a ball stopcock and a stopcock for the stopcock which can easily attach and detach a strainer in the flow path of the ball valve while the ball valve is disposed in the stopcock body. An object of the present invention is to provide a strainer.
【0005】[0005]
【課題を解決するための手段】上記課題を達成するため
に本発明においては、止水栓のボールに貫通して形成さ
れる流路の内周上に円周方向に延びる凸部を形成し、そ
れに取り付けるストレーナは、一端側が開口し他端側が
閉じた略筒形とするとともに、その開口端部に形成され
た半径方向外方に延びるフランジと、該フランジから前
記他端側へ延びる、円周方向で隔てて複数個形成された
係止部材と、フランジの係止部材と反対側の面に設けら
れた指で摘むことのできる摘み部とを備え、係止部材に
は、その長手方向所定の位置に形成された、ストレーナ
の半径方向外方へ突出する突出部を設けた。In order to achieve the above object, according to the present invention, a convex portion extending in a circumferential direction is formed on an inner periphery of a flow passage formed through a ball of a water stopcock. The strainer attached thereto has a substantially cylindrical shape with one end opened and the other end closed, and a radially outwardly extending flange formed at the open end and a circle extending from the flange to the other end. A plurality of locking members formed circumferentially separated from each other, and a knob provided on a surface of the flange opposite to the locking member, which can be picked by a finger; A projection is formed at a predetermined position and protrudes outward in the radial direction of the strainer.
【0006】本願の第2の発明においては、止水栓のボ
ールに貫通して形成される流路の内周面に螺旋状の溝を
形成し、ストレーナは、一端側が開口し他端側が閉じた
略筒形として、その開口開口端部に形成された半径方向
外方に延びるフランジを設け、該フランジには円周方向
のある箇所で径方向に切れ目を入れ、該フランジの少な
くとも外周近傍部分を全周に渡ってボールに形成された
溝に対応した螺旋状の形状とした。In the second invention of the present application, a spiral groove is formed on the inner peripheral surface of a flow passage formed through the ball of the water stopcock, and the strainer has one end open and the other end closed. A substantially cylindrical shape is provided with a radially outwardly extending flange formed at the opening end of the opening, and a radially cutout is formed in the flange at a certain point in the circumferential direction, and at least a portion near the outer periphery of the flange. Has a spiral shape corresponding to the groove formed in the ball over the entire circumference.
【0007】[0007]
【実施の形態】以下、図面に基づき本願発明の具体的実
施の形態を説明するが、本願発明の範囲は以下に説明さ
れる実施の形態に限定されるのではない。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings, but the scope of the present invention is not limited to the embodiments described below.
【0008】図1は、第1の発明の実施の態様に係るス
トレーナ内蔵ボール止水栓1の、通水状態での横断面図
である。符号2は止水栓本体であり、符号3はボール押
さえである。本体2とボール押さえ3とにより弁室4が
内部に形成され、その中にはボールシート5により受け
止められた状態で、ボール6が収受されている。ボール
6には貫通孔が形成され、水の流路7となっている。こ
の流路7は、図示の状態で本体2側の流入口2aとボー
ル押さえ3側の流出口3aとに通じている。FIG. 1 is a cross-sectional view of a ball stopcock with a built-in strainer 1 according to an embodiment of the first invention in a water-flowing state. Reference numeral 2 denotes a water stopcock main body, and reference numeral 3 denotes a ball holder. The valve chamber 4 is formed inside by the main body 2 and the ball presser 3, and the ball 6 is received therein while being received by the ball seat 5. A through-hole is formed in the ball 6 to form a water flow path 7. This flow path 7 communicates with the inflow port 2a on the main body 2 side and the outflow port 3a on the ball holder 3 side in the illustrated state.
【0009】流路7の内周面に、径方向内方へ突出する
断面山形のフランジ或いは凸条8が円周方向に延びて形
成されている。この凸条8にストレーナ11が取り付け
られているが、これについては後述する。なお、本体2
には開口9が、その中心軸心が水の流れ方向即ち流入口
2aと流出口3aとを結ぶ線に略直交する様な位置に形
成されており、この開口はキャップ10により通常は閉
じられている。On the inner peripheral surface of the flow path 7, a flange or a ridge 8 having a mountain-shaped cross section protruding inward in the radial direction is formed so as to extend in the circumferential direction. A strainer 11 is attached to the ridge 8, which will be described later. The main body 2
An opening 9 is formed at a position where the center axis of the opening 9 is substantially perpendicular to the flow direction of water, that is, a line connecting the inlet 2a and the outlet 3a. ing.
【0010】図2は、図1の状態からボール6を、図示
しないハンドルを用いて、紙面に垂直な軸回りに時計方
向に90度回転した状態での部分横断面図である。この
状態では水の流れは遮断される。FIG. 2 is a partial cross-sectional view showing a state in which the ball 6 has been rotated 90 degrees clockwise around an axis perpendicular to the paper surface using a handle (not shown) from the state shown in FIG. In this state, the flow of water is shut off.
【0011】図3はストレーナ11の斜視図であり、図
4はストレーナ11をボール6の凸条8の部分に取り付
けた状態を示す部分断面図である。ストレーナ11は、
適宜な大きさの編み目の金網で形成されたストレーナ本
体12を備えている。ストレーナ本体12は、一端13
aが開口し、他端13bが閉じた籠体部分13と、籠体
部分13の開口部から径方向外方へ広がるフランジ14
とを備えている。籠体部分13は、開口側から閉じた側
に向かって漸次縮径し、閉じた部分は半球状の形状とな
っている。FIG. 3 is a perspective view of the strainer 11, and FIG. 4 is a partial cross-sectional view showing a state where the strainer 11 is attached to the protruding portion 8 of the ball 6. The strainer 11
It has a strainer body 12 formed of a stitched wire mesh of an appropriate size. The strainer body 12 has one end 13
a is open, and the other end 13b is closed, and the cage body 13 is closed, and the flange 14 is extended radially outward from the opening of the basket body part 13.
And The cage portion 13 gradually decreases in diameter from the opening side to the closed side, and the closed portion has a hemispherical shape.
【0012】ストレーナ11は、フランジ14の部分に
おいてストレーナ本体12と一体化された取付け部材1
5を備えている。取付け部材15は薄い金属材料で作ら
れ、間にストレーナ本体12のフランジ14を挟むよう
に上下二重に折り返された円環状の口金部16と、この
口金部16の内周縁部からストレーナ本体12の外表面
に沿って他端13b側へ延びる、円周方向で隔てて設け
られた複数本、本実施の態様では4本の細長い脚部17
を備えている。そして、この脚部17の長手方向の途中
には、ストレーナ11の径方向外方へ緩やかに膨らむ突
出部18が形成されている。ストレーナ11はさらに、
口金部16を直径方向に跨がり、口金部16の上側側面
16aに固着された、細長い棒状の摘み部材19を備え
ている。The strainer 11 is a mounting member 1 integrated with the strainer body 12 at a flange 14.
5 is provided. The mounting member 15 is made of a thin metal material, and is formed into an annular base 16 which is folded up and down so as to sandwich the flange 14 of the strainer main body 12 therebetween, and an inner peripheral edge of the base 16 from the strainer main body 12. A plurality of, in the present embodiment, four elongated legs 17 extending in the circumferential direction and extending toward the other end 13b along the outer surface of the
It has. A projecting portion 18 that gently expands radially outward of the strainer 11 is formed midway in the longitudinal direction of the leg portion 17. The strainer 11 further
An elongated rod-shaped knob 19 is provided, which straddles the base 16 in the diameter direction and is fixed to the upper side surface 16 a of the base 16.
【0013】取付け部材15の口金部16の外径は、ボ
ール6の流路7の径より小さく、脚部17の根元部分
で、凸状8の内側に嵌まるような大きさの寸法となって
いる。自由状態での脚部17の突出部18部分での直径
寸法は、凸状8の内径より若干大きくなっている。The outer diameter of the base 16 of the mounting member 15 is smaller than the diameter of the flow path 7 of the ball 6, and has a size such that it fits inside the projection 8 at the base of the leg 17. ing. The diameter of the leg 17 at the protruding portion 18 in the free state is slightly larger than the inner diameter of the projection 8.
【0014】上記の構造を有するストレーナ11をボー
ル6に取り付けるには、摘み部材19を指で挟んで持
ち、ストレーナ本体12の他端13b側からボール6の
流路7内に、さらに凸状8の部分に挿入する。その際、
脚部17の突出部18は凸状8の内周端部により内方へ
弾性変形させられて、この部分を通過し、その通過後元
の形状に戻る。この時、口金部16の下側側面16bが
凸条8の上に載る。従って、ストレーナ11は、口金部
16と脚部17の突出部18とで凸条8を挟む形となっ
て、ボール6に取り付けられる。In order to attach the strainer 11 having the above structure to the ball 6, the knob 19 is held between fingers, and the other end 13 b of the strainer body 12 is inserted into the flow path 7 of the ball 6 to form the convex 8. Insert into the part. that time,
The protruding portion 18 of the leg portion 17 is elastically deformed inward by the inner peripheral end of the convex shape 8, passes through this portion, and returns to its original shape after passing through the portion. At this time, the lower side surface 16 b of the base 16 rests on the ridge 8. Therefore, the strainer 11 is attached to the ball 6 in such a manner that the ridge 8 is sandwiched between the base 16 and the projection 18 of the leg 17.
【0015】従って、ストレーナ11を取り外す際に
は、先ずボール6を図示しないハンドルも用いて図1に
おいて時計方向に90度回転させ、図2の止水状態にす
る。次にキャップ10を外す。この時、ストレーナ11
はその口金部16が開口9に面しているので、摘み部材
18を持って、引っ張れば、脚部17の突出部18が弾
性変形して、ストレーナ11を外すことができる。スト
レーナ11を再度取り付けるのは、先述したとおりであ
る。このように、ボール6を取り外すことなくストレー
ナ11の取り外し、取付けが行える。Accordingly, when removing the strainer 11, the ball 6 is first rotated 90 degrees clockwise in FIG. 1 using a handle (not shown) to bring the water stop state shown in FIG. Next, the cap 10 is removed. At this time, strainer 11
Since the base 16 faces the opening 9, if the user pulls the knob 18 while holding the knob 18, the protrusion 18 of the leg 17 is elastically deformed, and the strainer 11 can be removed. Reattaching the strainer 11 is as described above. Thus, the strainer 11 can be removed and attached without removing the ball 6.
【0016】図5は、第2の発明の実施の態様で使用す
るストレーナ31の側面図である。このストレーナ31
の構造は、籠体部分32aとフランジ32bからなるス
トレーナ本体32と、上下二枚に折り曲げてその間にフ
ランジ32bを挟む取付け金具33とで構成されている
ことは共通するが、この取付け金具33は口金部のみか
らなり、第1の例での脚部15に相当するものは備えて
いない。そして、その円環状の取付け部材33は図示の
とおり、ストレーナ本体32のフランジ32bと共に、
その円周方向の一か所で径方向に切れ目が入れられ、少
なくともその外周近傍付近が全周に渡って螺旋状になる
ように曲げ加工が施されている。符号34は、第1の実
施の態様と同様の摘み部材である。図示しないが、この
実施の態様では、ボールの流路内壁に、第1の実施の態
様での円周方向に延びる凸条に代えて、ストレーナ31
の取付け金具33の外周部33aの螺旋形状に合わせて
溝が形成されている。従って、摘み部材34を持ってス
トレーナ31を回転させることにより、ストレーナ31
をボールに簡単に取付け、取り外しが行える。FIG. 5 is a side view of a strainer 31 used in the embodiment of the second invention. This strainer 31
Is common in that it is composed of a strainer body 32 composed of a basket portion 32a and a flange 32b, and a mounting bracket 33 which is folded into two upper and lower sheets and sandwiches the flange 32b therebetween. It consists only of a base and does not have anything equivalent to the leg 15 in the first example. And, as shown in the figure, the annular attachment member 33 together with the flange 32b of the strainer body 32,
A cut is made radially at one location in the circumferential direction, and at least the vicinity of the outer periphery is bent so as to be spiral over the entire circumference. Reference numeral 34 denotes a knob member similar to that of the first embodiment. Although not shown, in this embodiment, a strainer 31 is provided on the inner wall of the flow path of the ball instead of the circumferentially extending ridge in the first embodiment.
A groove is formed in accordance with the spiral shape of the outer peripheral portion 33a of the mounting bracket 33. Therefore, by rotating the strainer 31 with the knob member 34, the strainer 31 is rotated.
Can be easily attached to and detached from the ball.
【0017】[0017]
【発明の効果】以上の説明から明らかなとおり、本発明
によれば、きわめて簡単にストレーナの取付け、取り外
しを行うことが可能となり、ストレーナ内蔵止水栓のメ
ンテナンス作業がきわめて効率よく行える。As is apparent from the above description, according to the present invention, the strainer can be attached and detached very easily, and the maintenance work of the water stopcock with a built-in strainer can be performed very efficiently.
【図1】本願第1の発明の実施の形態にストレーナ内蔵
ボール止水栓の、通水状態を示す横断面図である。FIG. 1 is a cross-sectional view showing a water passing state of a ball water stopcock with a built-in strainer according to an embodiment of the first invention of the present application.
【図2】本願第1の発明の実施の形態にストレーナ内蔵
ボール止水栓の、止水状態を示す横断面図である。FIG. 2 is a cross-sectional view showing a water stop state of the ball water stopcock with a built-in strainer according to the first embodiment of the present invention.
【図3】ストレーナの斜視図である。FIG. 3 is a perspective view of a strainer.
【図4】ストレーナの取付け状態を示す部分断面図であ
る。FIG. 4 is a partial sectional view showing an attached state of a strainer.
【図5】本願第2の発明の実施の形態で使用するストレ
ーナの側面図である。FIG. 5 is a side view of a strainer used in the embodiment of the second invention of the present application.
1 止水栓 2 止水栓本体 2a 流入口 3a 流出口 4 弁室 6 ボール 7 流路 8 凸条 11 ストレーナ 12 ストレーナ本体 13 籠体 14 フランジ 15 取付け部材 16 口金部 17 脚部 18 突出部 19 摘み部材 31 ストレーナ 32 ストレーナ本体 33 取付け部材(口金部) 33a 外周部 DESCRIPTION OF SYMBOLS 1 Stopcock 2 Stopcock main body 2a Inflow port 3a Outflow port 4 Valve chamber 6 Ball 7 Flow path 8 Convex stripe 11 Strainer 12 Strainer main body 13 Basket 14 Flange 15 Mounting member 16 Base part 17 Leg part 18 Projection part 19 Knob Member 31 Strainer 32 Strainer body 33 Mounting member (base) 33a Outer periphery
Claims (4)
本体と、前記流入口と流出口とに連通可能な貫通流路を
備え、前記弁室内に配置されたボール弁体と、前記流路
内に配置されるストレーナとを備え、前記弁体を回動す
ることにより通水、止水を切り替えるストレーナ内蔵ボ
ール止水栓において、前記ボール弁体は、前記流路の内
周上に形成された円周方向に延びる凸部を備え、前記ス
トレーナは、一端側が開口し他端側が閉じた略筒形をな
し、前記開口端部に形成された半径方向外方に延びるフ
ランジと、該フランジから前記他端側へ延びる、円周方
向で隔てて複数個形成された帯状の係止部材と、前記フ
ランジの前記係止部材と反対側の面に設けられ、指で摘
むことのできる摘み部とを備え、前記係止部材は、その
長手方向所定の位置に形成された、前記ストレーナの半
径方向外方へ突出する突出部を備えていることを特徴と
する、ストレーナ内蔵ボール止水栓。1. A ball valve body provided with a water stopcock body having an inlet, an outlet, and a valve chamber, and a through flow path that can communicate with the inlet and the outlet, and disposed in the valve chamber. And a strainer disposed in the flow path. In a strainer-equipped ball water stopcock that switches between water passage and water stoppage by rotating the valve body, the ball valve body is provided inside the flow path. A radially outwardly extending flange formed at the opening end, the projection having a circumferentially extending projection formed on the circumference, the strainer having a substantially cylindrical shape with one end open and the other end closed. A plurality of band-shaped locking members extending from the flange to the other end side and formed in the circumferential direction and separated from each other; and provided on a surface of the flange opposite to the locking member, and pinched by a finger. The engaging member is provided at a predetermined position in the longitudinal direction thereof. A ball stopcock with a built-in strainer, characterized in that it has a projection formed in the strainer and protruding outward in the radial direction of the strainer.
したボール止水栓用ストレーナにおいて、前記ストレー
ナは、前記開口端部に形成された半径方向外方に延びる
フランジと、該フランジから前記他端側へ延びる、円周
方向で隔てて複数個形成された帯状の係止部材と、前記
フランジの前記係止部材と反対側の面に設けられ、指で
摘むことのできる摘み部とを備え、前記係止部材は、そ
の長手方向所定の位置に形成された、前記ストレーナの
半径方向外方へ突出する突出部を備えていることを特徴
とする、ボール止水栓用ストレーナ。2. A substantially cylindrical strainer for a ball stopcock having one open end and the other end closed, wherein the strainer is formed at a radially outwardly extending flange formed at the open end; A plurality of band-shaped locking members extending in the circumferential direction and extending to the other end side; and a grip portion provided on a surface of the flange opposite to the locking member, which can be gripped by a finger. Wherein the locking member includes a protrusion formed at a predetermined position in the longitudinal direction thereof and protruding outward in the radial direction of the strainer, wherein the strainer for a ball stopcock is provided.
本体と、前記流入口と流出口とに連通可能な貫通流路を
備え、前記弁室内に配置されたボール弁体と、前記流路
内に配置されるストレーナとを備え、前記弁体を回動す
ることにより通水、止水を切り替えるストレーナ内蔵ボ
ール止水栓において、前記ボール弁体は、前記流路の内
周上に形成された螺旋状の溝を備え、前記ストレーナ
は、一端側が開口し他端側が閉じた略筒形をなし、前記
開口端部に形成された半径方向外方に延びるフランジを
備え、該フランジは、円周方向のある箇所で径方向に切
れ目を入れられ、該フランジの少なくとも外周近傍部分
が全周に渡って前記ボールに形成された溝に対応した螺
旋状の形状を付されていることを特徴とする、ストレー
ナ内蔵ボール止水栓。3. A ball valve body provided with a water stopcock body having an inlet, an outlet, and a valve chamber, and a through flow path that can communicate with the inlet and the outlet, and disposed in the valve chamber. And a strainer disposed in the flow path. In a strainer-equipped ball water stopcock that switches between water passage and water stoppage by rotating the valve body, the ball valve body is provided inside the flow path. It has a spiral groove formed on the circumference, the strainer has a substantially cylindrical shape with one end open and the other end closed, and has a radially outwardly extending flange formed at the open end, The flange is radially cut at a certain point in the circumferential direction, and at least a portion near the outer periphery of the flange has a helical shape corresponding to a groove formed in the ball over the entire circumference. A ball stopcock with a built-in strainer.
したボール止水栓用ストレーナにおいて、前記ストレー
ナは、前記開口端部に形成された半径方向外方に延びる
フランジを備え、該フランジは、円周方向のある箇所で
径方向に切れ目を入れられ、該フランジの少なくとも外
周近傍部分が全周に渡って螺旋状の形状を付されている
ことを特徴とする、ボール止水栓用ストレーナ。4. A substantially cylindrical strainer for a ball stopcock having an open end and a closed other end, wherein the strainer includes a radially outwardly extending flange formed at the open end. A ball stopcock, characterized in that the flange is radially cut at a certain point in the circumferential direction, and at least a portion near the outer periphery of the flange has a spiral shape over the entire circumference. For strainer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21252298A JP3327843B2 (en) | 1998-07-28 | 1998-07-28 | Ball stopcock with built-in strainer and strainer for the stopcock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21252298A JP3327843B2 (en) | 1998-07-28 | 1998-07-28 | Ball stopcock with built-in strainer and strainer for the stopcock |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000046211A true JP2000046211A (en) | 2000-02-18 |
JP3327843B2 JP3327843B2 (en) | 2002-09-24 |
Family
ID=16624073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21252298A Expired - Lifetime JP3327843B2 (en) | 1998-07-28 | 1998-07-28 | Ball stopcock with built-in strainer and strainer for the stopcock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3327843B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002323154A (en) * | 2001-04-25 | 2002-11-08 | Inax Corp | Cylinder valve with strainer |
JP2005265077A (en) * | 2004-03-19 | 2005-09-29 | Miyawaki Inc | Steam trap |
JP2009041696A (en) * | 2007-08-10 | 2009-02-26 | Osaka Gas Co Ltd | Valve device |
JP2009041600A (en) * | 2007-08-07 | 2009-02-26 | Maezawa Kyuso Industries Co Ltd | Check valve unit with performance inspecting mechanism |
JP2009041588A (en) * | 2007-08-06 | 2009-02-26 | Takasago Thermal Eng Co Ltd | Compound valve |
KR100973965B1 (en) * | 2010-01-22 | 2010-08-05 | (주) 삼진정밀 | Air valve of drainpipe |
-
1998
- 1998-07-28 JP JP21252298A patent/JP3327843B2/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002323154A (en) * | 2001-04-25 | 2002-11-08 | Inax Corp | Cylinder valve with strainer |
JP2005265077A (en) * | 2004-03-19 | 2005-09-29 | Miyawaki Inc | Steam trap |
JP4524128B2 (en) * | 2004-03-19 | 2010-08-11 | 株式会社ミヤワキ | steam trap |
JP2009041588A (en) * | 2007-08-06 | 2009-02-26 | Takasago Thermal Eng Co Ltd | Compound valve |
JP2009041600A (en) * | 2007-08-07 | 2009-02-26 | Maezawa Kyuso Industries Co Ltd | Check valve unit with performance inspecting mechanism |
JP2009041696A (en) * | 2007-08-10 | 2009-02-26 | Osaka Gas Co Ltd | Valve device |
KR100973965B1 (en) * | 2010-01-22 | 2010-08-05 | (주) 삼진정밀 | Air valve of drainpipe |
Also Published As
Publication number | Publication date |
---|---|
JP3327843B2 (en) | 2002-09-24 |
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