JPS641596Y2 - - Google Patents
Info
- Publication number
- JPS641596Y2 JPS641596Y2 JP1980093122U JP9312280U JPS641596Y2 JP S641596 Y2 JPS641596 Y2 JP S641596Y2 JP 1980093122 U JP1980093122 U JP 1980093122U JP 9312280 U JP9312280 U JP 9312280U JP S641596 Y2 JPS641596 Y2 JP S641596Y2
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- fluid transport
- saddle
- rigid contact
- transport conduit
- 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.)
- Expired
Links
- 239000012530 fluid Substances 0.000 claims description 55
- 238000007789 sealing Methods 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、都市ガスなどの流体輸送導管に対す
る穿孔、遮断用バツグの導管内挿入、導管内圧力
測定、仮設用バイパス管の接続や分岐管接続、所
要作業終了後の孔の閉栓等の種々の作業を、不断
流状態(導管に流体を流動させたままの状態)で
遂行するに当つて使用するシヤツター付サドルに
関する。[Detailed description of the invention] [Field of industrial application] This invention is useful for drilling holes in fluid transport pipes such as city gas, inserting shutoff bags into the pipes, measuring pressure inside the pipes, connecting temporary bypass pipes, and branch pipes. This invention relates to a saddle with a shutter that is used to perform various operations such as connection and closing of holes after the required operations are completed in a non-flow state (state in which fluid continues to flow through the conduit).
さらに詳しくは、流体輸送導管に対する作業装
置を取付ける連結固定部、導管外面に対する接当
部、前記連結固定部と前記接当部にわたる貫通孔
を開閉するシヤツターを、サドル本体に設け、前
記流体輸送導管に巻回させたサドル本体固定用引
締め具の両端を連結するための一対の張出し部分
を、前記サドル本体に左右に振分け配置して形成
した不断流式導管工事用シヤツター付サドルに関
する。 More specifically, the saddle body is provided with a connecting fixing part for attaching a working device to the fluid transport conduit, a contacting part to the outer surface of the conduit, and a shutter for opening and closing a through hole extending between the connecting fixing part and the contact part, and The present invention relates to a saddle with a shutter for non-flow conduit construction, in which a pair of overhanging parts for connecting both ends of a tightening tool for fixing the saddle body wound around the saddle body are arranged on the left and right sides of the saddle body.
従来、上記サドルにおいて、導管外面に対する
接当部を形成するに、例えば実開昭49−21422号
公報に示されるように、割合変形しにくい中実ゴ
ムだけを導管外面に接当させるように構成して、
接当部によりサドル固定と流体漏洩防止を図つて
いた。
Conventionally, in the above-mentioned saddle, in order to form a contact portion with the outer surface of the conduit, as shown in, for example, Japanese Utility Model Application Publication No. 49-21422, only solid rubber that is relatively difficult to deform is brought into contact with the outer surface of the conduit. do,
The abutment part was used to secure the saddle and prevent fluid leakage.
しかし、中実ゴムだけを導管外面に接当させる
と、引締め具でサドル本体を流体輸送導管に固定
しても、中実ゴムの変形でサドル本体がぐらつ
き、サドル本体に取付けた作業装置による作業が
困難になつたり、シール性が劣化しやすい欠点が
あつた。
However, if only the solid rubber is brought into contact with the outer surface of the conduit, even if the saddle body is fixed to the fluid transport conduit with a tightening tool, the saddle body will become unstable due to deformation of the solid rubber, and the work equipment attached to the saddle body will not be able to handle the work. The disadvantages were that it became difficult to seal and the sealing properties tended to deteriorate.
本考案の目的は、接当部におけるシールを良好
に行えると共に、サドル本体を強固に流体輸送導
管に固定できるようにし、しかも、流体輸送導管
の径変化にも良好に対処できるようにする点にあ
る。 The purpose of the present invention is to provide a good seal at the abutting part, to firmly fix the saddle body to the fluid transport conduit, and to be able to cope well with changes in the diameter of the fluid transport conduit. be.
本考案の特徴構成は、導管外面に対する接当部
をサドル本体に、その貫通孔を囲む状態で形成す
るに、導管外面に接当する内外の剛接当部材を設
け、それら両剛接当部材の間で導管外面に接触す
る変形自在なシール用膜体を前記貫通孔を囲む配
置で設け、前記シール用膜体の背部に、そのシー
ル用膜体を膨張収縮させるための環状空間を形成
し、その環状空間に対して加圧流体を給排するた
めの連通具を設け、前記流体輸送導管の中心と直
交すると共に前記貫通孔の中心を含む断面部にお
いて、前記連通具による加圧流体の給排に伴う前
記シール用膜体の変形によつて、大径の前記流体
輸送導管が前記剛接当部材のうち外側のものにか
つ小径の前記流体輸送導管が前記剛接当部材のう
ち内側のものに接当する状態を得られるように、
前記内側の剛接当部材よりも前記外側の剛接当部
材を突出させたことにあり、その作用効果は次の
通りである。
The characteristic structure of the present invention is that the abutment part for the outer surface of the conduit is formed in the saddle body in a state surrounding the through hole thereof, and inner and outer rigid contact members are provided for contacting the outer surface of the conduit. A deformable sealing membrane that contacts the outer surface of the conduit between the holes is arranged to surround the through hole, and an annular space is formed at the back of the sealing membrane for expanding and contracting the sealing membrane. , a communication device for supplying and discharging pressurized fluid to and from the annular space is provided, and in a cross section that is perpendicular to the center of the fluid transport conduit and includes the center of the through hole, the pressurized fluid is supplied by the communication device. Due to the deformation of the sealing membrane accompanying the supply/discharge, the large diameter fluid transport conduit becomes the outer one of the rigid abutment members, and the small diameter fluid transport conduit becomes the inner one of the rigid abutment members. So that you can get a state of contact with something,
The outer rigid contact member is made to protrude more than the inner rigid contact member, and its effects are as follows.
つまり、サドル本体を流体輸送導管に、その導
管に巻回した引締め具で固定すると、流体輸送導
管の径が変化しても、内外の互いに突出長さの相
違する剛接当部材の少なくとも一方が導管外面に
接当して、サドル本体を強固にかつ確実に固定で
きる。
In other words, if the saddle body is fixed to the fluid transport conduit with a tightening device wound around the conduit, even if the diameter of the fluid transport conduit changes, at least one of the inner and outer rigid contact members, which have different protruding lengths, will By coming into contact with the outer surface of the conduit, the saddle body can be firmly and reliably fixed.
また、連通具から環状空間への加圧流体供給量
の調節によつて、十分な変形性を備えたシール用
膜体を導管外面に確実にかつ十分な圧接力で密接
させることができ、接当部での流体漏洩を確実に
防止できる。 In addition, by adjusting the amount of pressurized fluid supplied from the communication tool to the annular space, the sealing membrane with sufficient deformability can be brought into close contact with the outer surface of the conduit reliably and with sufficient pressure. Fluid leakage at this part can be reliably prevented.
その結果、サドル本体に取付けた作業装置によ
る流体輸送導管の処理を、導管径の変化にかかわ
らず、サドル本体のぐらつきが無い状態で容易か
つ良好に行えると共に、導管外面への接当部での
流体漏洩を確実に防止した状態で行え、一段と性
能の優れた不断流式導管工事用シヤツター付サド
ルを提供できるようになつた。
As a result, the fluid transport conduit can be easily and efficiently processed by the working device attached to the saddle body without any wobbling of the saddle body, regardless of changes in the conduit diameter, and the part that contacts the outer surface of the conduit It is now possible to provide a saddle with a shutter for non-flow conduit work that has even better performance and can be used to reliably prevent fluid leakage.
次に、第1図ないし第7図により実施例を示
す。
Next, an embodiment will be shown with reference to FIGS. 1 to 7.
金属などの剛体材料製のサドル本体1に、流体
輸送導管Pに対する作業装置17、例えば穿孔
機、遮断バツグ挿入治具、圧力測定治具、バイパ
ス管や分岐管の接続治具等を取付ける連結固定部
2を設け、その連結固定部2に、作業装置17の
下端筒部18に内嵌させる筒部2b、筒部2bと
下端筒部18の間に位置させる環状シール材2
a、サドル本体1に作業装置17を固定する連結
ボルト2cを設けてある。 Connection fixing for attaching a working device 17 for the fluid transport conduit P, such as a drilling machine, a cutoff bag insertion jig, a pressure measurement jig, a bypass pipe or a branch pipe connection jig, etc., to the saddle body 1 made of a rigid material such as metal. The connecting and fixing part 2 includes a cylinder part 2b that is fitted into the lower end cylinder part 18 of the working device 17 , and an annular sealing material 2 that is located between the cylinder part 2b and the lower end cylinder part 18.
a. A connecting bolt 2c for fixing the working device 17 to the saddle body 1 is provided.
導管外面に対する接当部3,9をサドル本体1
に設け、連結固定部2と接当部3,9にわたる貫
通孔4をサドル本体1に形成し、貫通孔4を開閉
するスライド式のシヤツター7を、サドル本体6
の案内溝5にシール材6で密閉可能に取付けてあ
る。 The contact parts 3 and 9 to the outer surface of the conduit are attached to the saddle body 1.
A through hole 4 is formed in the saddle body 1 and extends through the connecting fixing part 2 and the abutting parts 3 and 9. A sliding shutter 7 for opening and closing the through hole 4 is provided in the saddle body 6.
The guide groove 5 is sealed with a sealing material 6.
接当部3,9において、導管外面に接当する内
外の剛接当部材3a,3bと、それら両剛接当部
材3a,3bの間で導管外面に接触する変形自在
なシール用膜体9を、夫々が貫通孔4を囲む配置
で設けてある。シール用膜体9を膨張収縮させる
ための環状空間8をシール用膜体9の背部に形成
し、空気、水、グリスなどの加圧流体を環状空間
8に対して給排するための栓10付の連通具11
を設けてある。流体輸送導管Pの中心と直交する
と共に貫通孔4の中心を含む断面部において、連
通具11による加圧流体の給排に伴うシール用膜
体9の変形によつて、大径の流体輸送導管Pが剛
接当部材のうち外側のもの3bにかつ小径の流体
輸送導管Pが剛接当部材のうち内側のもの3aに
接当する状態を得られるように、内側の剛接当部
材3aよりも外側の剛接当部材3bを突出させて
あり、また、シール用膜体9を望ましくは補強布
入りの弾性ゴムで形成する。 In the contact portions 3, 9, inner and outer rigid contact members 3a, 3b contact the outer surface of the conduit, and a deformable sealing membrane 9 contacts the outer surface of the conduit between the rigid contact members 3a, 3b. are arranged so as to surround the through hole 4, respectively. An annular space 8 for expanding and contracting the sealing membrane 9 is formed at the back of the sealing membrane 9, and a plug 10 for supplying and discharging pressurized fluid such as air, water, and grease to and from the annular space 8. Connecting device 11 with
is provided. In a cross section perpendicular to the center of the fluid transport conduit P and including the center of the through hole 4, the sealing membrane 9 deforms as pressurized fluid is supplied and discharged by the communication tool 11, resulting in a large diameter fluid transport conduit. from the inner rigid abutting member 3a so that P is in contact with the outer one 3b of the rigid abutting members and the small diameter fluid transport conduit P is in contact with the inner one 3a of the rigid abutting members. Also, the outer rigid contact member 3b is projected, and the sealing membrane 9 is desirably made of elastic rubber containing reinforcing cloth.
流体輸送導管Pに巻回させたサドル本体固定用
引締め具13の両端を連結するために、一対の張
出し部分12をサドル本体1に左右に振分け配置
して形成してある。引締め具13は、チエーン1
5、その両端に連結したボルト、それらボルトに
取付けたナツト14とカマボコ形座金16から成
り、張出し部分12に形成した切欠き溝12aに
ボルトを差込んで、座金16を張出し部分12に
引掛け、ナツト14の締付けでサドル本体1を流
体輸送導管Pに固定できるように形成してある。 In order to connect both ends of the saddle body fixing tightening tool 13 wound around the fluid transport conduit P, a pair of overhanging portions 12 are formed on the saddle body 1 so as to be distributed left and right. The tightening device 13 is connected to the chain 1
5. Consists of bolts connected to both ends, nuts 14 attached to these bolts, and semicylindrical washers 16. Insert the bolts into the notched grooves 12a formed in the overhanging portion 12, and hook the washers 16 onto the overhanging portion 12. , so that the saddle body 1 can be fixed to the fluid transport conduit P by tightening a nut 14.
要するに、導管径が変化しても、内外の剛接当
部材3a,3bの少なくとも一方を導管外面に接
当させて、引締め具13によりサドル本体1を流
体輸送導管Pに強固に固定できると共に、シール
用膜体9をその膨張状態の調節により確実にかつ
十分な圧接力で密接させて、流体の漏洩を防止で
きるようにしてある。 In short, even if the conduit diameter changes, the saddle body 1 can be firmly fixed to the fluid transport conduit P by the tightening tool 13 by bringing at least one of the inner and outer rigid contact members 3a, 3b into contact with the outer surface of the conduit. By adjusting the expansion state of the sealing membrane body 9, the sealing membrane body 9 can be brought into close contact with the sealing membrane body 9 reliably and with sufficient pressure, thereby preventing fluid leakage.
以下に使用状態をさらに詳細に説明する。 The usage status will be explained in more detail below.
(イ) 最小径管の場合(第1図及び第3図参照)内
側の剛接当部材3aが全周にわたつて小径の流
体輸送導管Pに接当し、外側の剛接当部材3b
が2箇所で部分的に小径の流体輸送導管Pに接
当し、引締め具13による締付力で両方の剛接
当部材3a,3bが強く流体輸送導管Pに押付
けられて、サドル本体1が強固に固定される。(a) In the case of the smallest diameter pipe (see Figures 1 and 3), the inner rigid contact member 3a contacts the small diameter fluid transport conduit P over the entire circumference, and the outer rigid contact member 3b
partially contacts the small-diameter fluid transport conduit P at two places, and both rigid contact members 3a and 3b are strongly pressed against the fluid transport pipe P by the tightening force of the tightening tool 13, and the saddle body 1 is Firmly fixed.
また、連通具11による環状空間8への加圧
流体供給量の調節によつて、シール用膜体9が
全周にわたつて強く流体輸送導管Pに密接され
て、貫通孔4からの流体漏洩が阻止される。 Furthermore, by adjusting the amount of pressurized fluid supplied to the annular space 8 by the communication tool 11, the sealing membrane 9 is strongly brought into close contact with the fluid transport conduit P over the entire circumference, thereby preventing fluid leakage from the through hole 4. is prevented.
(ロ) 少し径の大きい小径管の場合(第4図及び第
5図参照)
内側の剛接当部材3aが2箇所で部分的に小
径の流体輸送導管Pに接当し、外側の剛接当部
材3bは全周にわたつて流体輸送導管Pから離
間し、引締め具13による締付力で内側の剛接
当部材3aのみが強く流体輸送導管Pに押付け
られて、サドル本体1が強固に固定される。(b) In the case of a small diameter pipe with a slightly larger diameter (see Figures 4 and 5), the inner rigid contact member 3a partially contacts the small diameter fluid transport conduit P at two locations, and the outer rigid contact member 3a partially contacts the small diameter fluid transport conduit P at two locations. The member 3b is separated from the fluid transport conduit P over the entire circumference, and only the inner rigid contact member 3a is strongly pressed against the fluid transport conduit P by the tightening force of the tightening tool 13, so that the saddle body 1 is firmly Fixed.
また、連通具11による環状空間8への加圧
流体供給量の調節によつて、シール用膜体9
が、大部分において両方の剛接当部材3a,3
bから突出した状態で、全周にわたつて強く流
体輸送導管Pに密接されて、貫通孔4からの流
体漏洩が阻止される。 In addition, by adjusting the amount of pressurized fluid supplied to the annular space 8 by the communication tool 11, the sealing membrane 9
However, in most cases, both rigid contact members 3a, 3
In the state protruding from b, it is strongly brought into close contact with the fluid transport conduit P over the entire circumference, and fluid leakage from the through hole 4 is prevented.
(ハ) 大径管の場合(第6図及び第7図参照)
外側の剛接当部材3bが2箇所で部分的に大
径の流体輸送導管Pに接当し、内側の剛接当部
材3aは全周にわたつて流体輸送導管Pから離
間し、引締め具13による締付力で外側の剛接
当部材3bのみが強く流体輸送導管Pに押付け
られて、サドル本体1が強固に固定される。(c) In the case of a large diameter pipe (see Figures 6 and 7), the outer rigid contact member 3b partially contacts the large diameter fluid transport conduit P at two places, and the inner rigid contact member 3a is separated from the fluid transport conduit P over the entire circumference, and only the outer rigid contact member 3b is strongly pressed against the fluid transport conduit P by the tightening force of the tightening tool 13, and the saddle body 1 is firmly fixed. Ru.
また、連通具11による環状空間8への加圧
流体供給量の調節によつて、シール用膜体9
が、大部分において両方の剛接当部材3a,3
bから突出した状態で、全周にわたつて強く流
体輸送導管Pに密接されて、貫通孔4からの流
体漏洩が阻止される。 In addition, by adjusting the amount of pressurized fluid supplied to the annular space 8 by the communication tool 11, the sealing membrane 9
However, in most cases, both rigid contact members 3a, 3
In the state protruding from b, it is strongly brought into close contact with the fluid transport conduit P over the entire circumference, and fluid leakage from the through hole 4 is prevented.
次に別実施例を説明する。 Next, another embodiment will be described.
シール用膜体9は弾性変形しない可撓性の材料
で形成してもよい。 The sealing membrane 9 may be formed of a flexible material that does not undergo elastic deformation.
引締め具13のチエーン15に替えて鋼線を用
いてもよい。 The chain 15 of the tightening device 13 may be replaced with a steel wire.
図面は本考案の実施例を示し、第1図は最小径
管に使用した状態の断面図、第2図は概略平面
図、第3図は第1図の−矢視図、第4図はや
や径の大きい小径管に使用した状態の断面図、第
5図は第4図の−矢視図、第6図は大径管に
使用した状態の断面図、第7図は第6図の−
矢視図である。
1……サドル本体、2……連結固定部、3,9
……接当部、3a……内側の剛接当部材、3b…
…外側の剛接当部材、4……貫通孔、7……シヤ
ツター、8……環状空間、9……シール用膜体、
11……連通具、12……張出し部分、13……
引締め具、17……作業装置、P……流体輸送導
管。
The drawings show an embodiment of the present invention, in which Fig. 1 is a cross-sectional view of the state in which it is used in a pipe with the smallest diameter, Fig. 2 is a schematic plan view, Fig. 3 is a view taken in the direction of - arrow in Fig. 1, and Fig. 4 is 5 is a cross-sectional view of the state in which it is used for a small-diameter pipe with a slightly larger diameter. Figure 5 is a view taken in the direction of the - arrow in Figure 4. Figure 6 is a sectional view of the state in which it is used in a large-diameter pipe. Figure 7 is a view of the state in which it is used in a large-diameter pipe. −
It is an arrow view. 1 ...Saddle body, 2...Connection fixing part, 3, 9
... Contact portion, 3a ... Inner rigid contact member, 3b...
...Outer rigid contact member, 4...Through hole, 7...Shutter, 8...Annular space, 9...Sealing membrane body,
11... Communication tool, 12... Overhanging part, 13...
Tightening device, 17 ... Working device, P... Fluid transport conduit.
Claims (1)
ける連結固定部2、導管外面に対する接当部
3,9、前記連結固定部2と前記接当部3,9
にわたる貫通孔4を開閉するシヤツター7を、
サドル本体6に設け、前記流体輸送導管Pに巻
回させたサドル本体固定用引締め具13の両端
を連結するための一対の張出し部分12を、前
記サドル本体6に左右に振分け配置して形成し
た不断流式導管工事用シヤツター付サドルであ
つて、前記接当部3,9を形成するに、導管外
面に接当する内外の剛接当部材3a,3bを設
け、それら両剛接当部材3a,3bの間で導管
外面に接触する変形自在なシール用膜体9を前
記貫通孔4を囲む配置で設け、前記シール用膜
体9の背部に、そのシール用膜体9を膨張収縮
させるための環状空間8を形成し、その環状空
間8に対して加圧流体を給排するための連通具
11を設け、前記流体輸送導管Pの中心と直交
すると共に前記貫通孔4の中心を含む断面部に
おいて、前記連通具11による加圧流体の給排
に伴う前記シール用膜体9の変形によつて、大
径の前記流体輸送導管Pが前記剛接当部材のう
ち外側のもの3bにかつ小径の前記流体輸送導
管Pが前記剛接当部材のうち内側のもの3aに
接当する状態を得られるように、前記内側の剛
接当部材3aよりも前記外側の剛接当部材3b
を突出させてある不断流式導管工事用シヤツタ
ー付サドル。 2 前記シール用膜体9が補強布入りの弾性ゴム
から成る実用新案登録請求の範囲第1項に記載
の不断流式導管工事用シヤツター付サドル。[Claims for Utility Model Registration] 1. Connecting and fixing part 2 for attaching the working device 17 to the fluid transport conduit P, abutting parts 3 and 9 to the outer surface of the conduit, and the connecting and fixing part 2 and the abutting parts 3 and 9.
A shutter 7 that opens and closes the through hole 4 that spans the
A pair of overhanging portions 12 for connecting both ends of the saddle body fixing tightening tool 13 provided on the saddle body 6 and wound around the fluid transport conduit P are formed by distributing and arranging them on the left and right sides of the saddle body 6. The saddle with a shutter for non-flow conduit work is provided with inner and outer rigid contact members 3a, 3b that contact the outer surface of the conduit to form the contact portions 3, 9, and both rigid contact members 3a. A deformable sealing membrane 9 that contacts the outer surface of the conduit between . A communication device 11 is provided for supplying and discharging pressurized fluid to and from the annular space 8, and the cross section is perpendicular to the center of the fluid transport conduit P and includes the center of the through hole 4. At this point, due to the deformation of the sealing membrane 9 as the pressurized fluid is supplied and discharged by the communication tool 11, the large-diameter fluid transport conduit P is connected to the outer one 3b of the rigid contact members. In order to obtain a state in which the small-diameter fluid transport conduit P comes into contact with the inner rigid contact member 3a, the outer rigid contact member 3b is positioned more than the inner rigid contact member 3a.
A saddle with a shutter for non-flow conduit construction with a protruding part. 2. A saddle with a shutter for non-flow conduit work according to claim 1, wherein the sealing membrane 9 is made of elastic rubber containing reinforcing cloth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980093122U JPS641596Y2 (en) | 1980-07-01 | 1980-07-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980093122U JPS641596Y2 (en) | 1980-07-01 | 1980-07-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5716093U JPS5716093U (en) | 1982-01-27 |
JPS641596Y2 true JPS641596Y2 (en) | 1989-01-13 |
Family
ID=29455072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980093122U Expired JPS641596Y2 (en) | 1980-07-01 | 1980-07-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS641596Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4928736A (en) * | 1972-07-17 | 1974-03-14 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5620631Y2 (en) * | 1972-05-26 | 1981-05-15 |
-
1980
- 1980-07-01 JP JP1980093122U patent/JPS641596Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4928736A (en) * | 1972-07-17 | 1974-03-14 |
Also Published As
Publication number | Publication date |
---|---|
JPS5716093U (en) | 1982-01-27 |
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