JPS59137822A - Manufacture of detecting pipe for electromagnetic flowmeter - Google Patents
Manufacture of detecting pipe for electromagnetic flowmeterInfo
- Publication number
- JPS59137822A JPS59137822A JP1237383A JP1237383A JPS59137822A JP S59137822 A JPS59137822 A JP S59137822A JP 1237383 A JP1237383 A JP 1237383A JP 1237383 A JP1237383 A JP 1237383A JP S59137822 A JPS59137822 A JP S59137822A
- Authority
- JP
- Japan
- Prior art keywords
- detection tube
- detecting pipe
- steel plate
- lining material
- lining member
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/584—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters constructions of electrodes, accessories therefor
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明はライニングが内張シされる検出管を備えた電磁
流量計の検出管製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a method for manufacturing a detection tube of an electromagnetic flowmeter, which includes a detection tube lined with a lining.
電磁流量計に使用される検出管には絶縁材料からなるラ
イニングが内張シされている。A detection tube used in an electromagnetic flowmeter is lined with an insulating material.
従来、この種のライニングを成形するために第１図に示
すように、両端に７ランジ１ａを有するステンレス製の
検出管１の内壁面１ｂに合成樹脂接着剤２を塗布し、検
出管１内にフッ素樹脂製のスリーブ３を圧入する方法が
採用されている。Conventionally, in order to form this type of lining, as shown in FIG. A method is adopted in which a sleeve 3 made of fluororesin is press-fitted into the sleeve 3.
ところが、この場合、本質的に接着が困難なフッ素樹脂
を検出管１に接着するため、ライニングは電磁流量計の
使用中等に検出管１高が低圧、特に大気圧以下さらには
真空になったシした時、検出管１に外圧が加わって検出
管１から剥離するという欠点がある。However, in this case, the fluororesin, which is essentially difficult to bond, is bonded to the detection tube 1, so the lining is used in systems where the detection tube 1 is at low pressure, especially below atmospheric pressure or even in a vacuum, such as when an electromagnetic flowmeter is used. When this happens, external pressure is applied to the detection tube 1, causing it to separate from the detection tube 1, which is a drawback.
そこで、パンチングプレートを管状に製造したものを補
強部材として使い、これを検出管内に挿入した後、モー
ルド成形によシ被覆する方法も採用されている。Therefore, a method has also been adopted in which a punching plate made into a tubular shape is used as a reinforcing member, which is inserted into the detection tube and then covered by molding.
しかるに、この場合は検出管内径の寸法精度を号慮して
補強部材を加工しなければならないため、その加工作業
が煩雑であシ、シかもコスト高になるという不都合があ
る。However, in this case, the reinforcing member must be machined while taking into account the dimensional accuracy of the inner diameter of the detection tube, which is disadvantageous in that the machining work is complicated and may result in high costs.
本発明はこのよ゛うな事情に鑑みなされたもので、プラ
スチックシート間にこれよシ短い多孔鋼板を介装しこれ
を加熱することによって管状のライニング材を形成し、
これを検出管内に挿入することによシ、ライニング材の
検出管からの剥離を防止でき、しかも経済的な電磁流量
計の検出管製造方法を提出するものである。以下、その
構成等を図に示す実施例によって詳細に説明する。The present invention was developed in view of these circumstances, and involves inserting a shorter perforated steel plate between plastic sheets and heating it to form a tubular lining material.
By inserting this into the detection tube, it is possible to prevent the lining material from peeling off from the detection tube, and to provide an economical method for manufacturing a detection tube for an electromagnetic flowmeter. Hereinafter, the configuration and the like will be explained in detail with reference to embodiments shown in the drawings.
第２〜第４図は本発明に係る電磁流量計の検出管製造方
法によシ製造されるライニング構造を示しておシ、同図
以下において第１図と同一の部材について同一の符号を
付し、詳細な説明は省略する。同図において、符号１１
で示すものは前記検出管１に内張シされたライニング材
で、プラスチックシート（図示せず）間にこれらよシ短
い多孔鋼板（図示せず）を介装し加熱することによって
管状に形成されている。すなわち、２イニング材１１は
両端にプラスチックシート部分を残し、筒状に形成され
た内、外のプラスチックシート１２゜１３が同じく筒状
に形成された補強部材としての多孔鋼板１４の孔・１５
を通じて融着されている。2 to 4 show a lining structure manufactured by the method for manufacturing a detection tube of an electromagnetic flowmeter according to the present invention, and in the following figures, the same members as in FIG. However, detailed explanation will be omitted. In the figure, reference numeral 11
What is shown is a lining material lined in the detection tube 1, which is formed into a tubular shape by inserting a shorter perforated steel plate (not shown) between plastic sheets (not shown) and heating it. ing. That is, the second inning material 11 leaves plastic sheet portions at both ends, and the inner and outer plastic sheets 12 and 13 are formed into a cylindrical shape and are inserted into the holes 15 of a perforated steel plate 14 as a reinforcing member, which is also formed into a cylindrical shape.
It is fused through.
これによって前記検出管１は補強され、管内を流れる流
量の髪化にかかわシなく、高温および外圧に対し耐久性
をもつことになシ、ライニング材１１との密着部分が離
間することを防止することができる。１６は前記フラン
ジ１ａ端面に対接するフランジで、第３図に示すライニ
ング材１１ａを口広げ加工することによって両端に形成
されている。This reinforces the detection tube 1, makes it durable against high temperatures and external pressure, and prevents the part in close contact with the lining material 11 from separating, regardless of the flow rate flowing inside the tube. be able to. Reference numeral 16 designates flanges that abut the end faces of the flange 1a, which are formed at both ends by widening the lining material 11a shown in FIG.
１ＴはＴ字状に形成された電極で、前記ランニング材１
１および検出管１に穿設された電極挿入孔１８に挿入さ
れ取付けられておシ、被測定流体の各点に発生した起電
力を検出するように構成されている。1T is an electrode formed in a T-shape, and the running material 1
1 and the electrode insertion hole 18 bored in the detection tube 1, and is configured to detect the electromotive force generated at each point of the fluid to be measured.
次に、前記構成による電磁流量針の検出管製造方法につ
いて説明する。Next, a method of manufacturing a detection tube of an electromagnetic flow needle having the above configuration will be explained.
先ず、プラスチックシート間にこれよシ短い多孔鋼板を
介装しこれらを加熱することによって管状のライニング
材１１ａを形成する。このとき、プラスチックシート１
２．１３が互いに多孔鋼板１４の孔１５を逼じ融着され
ている。次にライニング材１１ａを検出管１内に挿入す
る。そして、２イニング材１１ａの両端に口広げ加工に
よシフランジ端面１ａに対接するフランジ１６を形成し
た後、加熱することによシ検出管１の７ランク１ａ端面
に融着させ、ライニング材１１が内幅りされた検出管１
を製造することができる。First, a shorter perforated steel plate is interposed between plastic sheets and heated to form a tubular lining material 11a. At this time, plastic sheet 1
2 and 13 are fused together by tightening the holes 15 of the perforated steel plate 14. Next, the lining material 11a is inserted into the detection tube 1. Then, after forming flanges 16 opposing the shift flange end surface 1a at both ends of the second lining material 11a by widening, the lining material 11 is fused to the end surface of the seventh rank 1a of the detection tube 1 by heating. Detection tube 1 with internal width cut
can be manufactured.
以上説明したように、本発明によればプラスチックシー
ト間にこれよシ短い多孔鋼板を介装しこれを加熱するこ
とによって管状のライニング材を形成し、このライニン
グ材を検出管内に挿入した後、ライニング材の両端に口
広げ加工により形成された７ランジを加熱によって検出
管の７ランジ端面に融着させることによシ、ライニング
材の剥離を確実に防止できる検出管を得ることができる
。As explained above, according to the present invention, a short perforated steel plate is interposed between plastic sheets and heated to form a tubular lining material, and after inserting this lining material into a detection tube, By heating and fusing the seven flange formed at both ends of the lining material to the end face of the seven flange of the detection tube, it is possible to obtain a detection tube that can reliably prevent the lining material from peeling off.
また、従来のように寸法精度を考慮して補強部材を加工
する必要がなくなシ、きわめて経済的かつ容易に製造で
きる検出管を得ることもできる。Furthermore, there is no need to process the reinforcing member in consideration of dimensional accuracy, unlike in the past, and it is possible to obtain a detection tube that can be manufactured very economically and easily.
第１図は従来の検出管を示す断面図、２：〜２図は本発
明に係る電磁流量計の検出管製造方法により製造された
検出管を示す断面図、第３図は検出管のライニング構造
を示す＠様図、第４図は検出管のライニング構造を拡大
して示す断面図である。
１・・・・検出管、１ａ ・・・・フランジ、１１．１
１ａ・・・ｅライニング材、１２．１３・・・・プラス
チックシート、１４・・・・多孔鋼板、１６・・拳・フ
ランジ。
特許出願人 山弐ノ・ネウエル株式会社代理人
山川政樹（ほか１名）
第１図
−
第２図
第３図Figure 1 is a cross-sectional view showing a conventional detection tube, Figures 2 to 2 are cross-sectional views showing a detection tube manufactured by the method for manufacturing a detection tube for an electromagnetic flowmeter according to the present invention, and Figure 3 is a lining of the detection tube. FIG. 4 is an enlarged sectional view showing the lining structure of the detection tube. 1...Detection tube, 1a...Flange, 11.1
1a...e lining material, 12.13...plastic sheet, 14...porous steel plate, 16...fist/flange. Patent applicant Agent: Yamani-no-Newel Co., Ltd.
Masaki Yamakawa (and 1 other person) Figure 1 - Figure 2 Figure 3
Claims (1)
これを加熱することによって両端部分に前記多孔鋼板が
埋設されてない管状のライニング材を形成し、このライ
ニング材を両端にフランジを有する検出管内に挿入した
後、前記ライニング材の両端に口広げ加工によシ前記フ
ランジ端面に対接するフランジを形成し、次いで加熱に
よシ前記検出管のフランジ端面に融着させることを特徴
とする電磁流量針の検出管製造方法。By inserting a shorter perforated steel plate between the plastic sheets and heating it, a tubular lining material in which the perforated steel plate is not embedded at both ends is formed, and this lining material is inserted into a detection tube having flanges at both ends. After the lining material is inserted into the detection tube, both ends of the lining material are widened to form flanges that are in contact with the flange end surfaces, and then heated and fused to the flange end surfaces of the detection tube. A method for manufacturing a needle detection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1237383A JPS59137822A (en) | 1983-01-28 | 1983-01-28 | Manufacture of detecting pipe for electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1237383A JPS59137822A (en) | 1983-01-28 | 1983-01-28 | Manufacture of detecting pipe for electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59137822A true JPS59137822A (en) | 1984-08-08 |
Family
ID=11803460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1237383A Pending JPS59137822A (en) | 1983-01-28 | 1983-01-28 | Manufacture of detecting pipe for electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59137822A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0581017A1 (en) * | 1992-07-24 | 1994-02-02 | Krohne AG | Flow meter for fluids |
| EP2012096A1 (en) | 1999-03-26 | 2009-01-07 | Endress+Hauser Flowtec AG | Magnetic-inductive flow rate value transmitter |
| WO2009021787A1 (en) * | 2007-08-14 | 2009-02-19 | Endress+Hauser Flowtec Ag | Pipeline or measuring tube having at least one layer which insulates at least in certain regions, and process for the production thereof |
| EP1519160A3 (en) * | 1995-09-29 | 2010-02-10 | Invensys Systems, Inc. | Flow tube liner |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5075260A (en) * | 1973-11-05 | 1975-06-20 |
-
1983
- 1983-01-28 JP JP1237383A patent/JPS59137822A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5075260A (en) * | 1973-11-05 | 1975-06-20 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0581017A1 (en) * | 1992-07-24 | 1994-02-02 | Krohne AG | Flow meter for fluids |
| EP1519160A3 (en) * | 1995-09-29 | 2010-02-10 | Invensys Systems, Inc. | Flow tube liner |
| EP2012096A1 (en) | 1999-03-26 | 2009-01-07 | Endress+Hauser Flowtec AG | Magnetic-inductive flow rate value transmitter |
| WO2009021787A1 (en) * | 2007-08-14 | 2009-02-19 | Endress+Hauser Flowtec Ag | Pipeline or measuring tube having at least one layer which insulates at least in certain regions, and process for the production thereof |
| US9109932B2 (en) | 2007-08-14 | 2015-08-18 | Endress + Hauser Flowtec Ag | Pipeline or measuring tube having at least one layer which insulates at least in certain regions, and method for the manufacture thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5773723A (en) | Flow tube liner | |
| US4157194A (en) | Thermoplastic multi-walled pipes | |
| KR920012805A (en) | Leak-proof connection between pipe members in fluid transport system and connection method | |
| JPS59137822A (en) | Manufacture of detecting pipe for electromagnetic flowmeter | |
| JPH02270536A (en) | Device for detecting changes in phisical conditions of fusible plastic material | |
| JP2002039821A (en) | Lining pipe | |
| JPH1047557A (en) | Clearance setting method and member for welded pipe joint | |
| JPH084930B2 (en) | How to join pipes | |
| JPH0245589Y2 (en) | ||
| US4203475A (en) | Method for lining a flange face for lined pipe and product of method | |
| JPH03124B2 (en) | ||
| JPS59178319A (en) | Manufacture of measuring pipe for electromagnetic flow meter | |
| JPH08247810A (en) | Vortex flowmeter and manufacture thereof | |
| JPS59198318A (en) | Electromagnetic flow meter | |
| JPS58144714A (en) | Manufacture of measuring pipe of electromagnetic flowmeter | |
| JPH0780933A (en) | Production of flanged resin lining steel pipe | |
| JPH0237012Y2 (en) | ||
| JPS5824593U (en) | fluid pipe fittings | |
| JPH0239214Y2 (en) | ||
| JPS5863490U (en) | insulation pipe | |
| JPH07132555A (en) | Preparation of resin lining steel pipe with flange | |
| JPS6138393U (en) | fitting | |
| JPH06147387A (en) | Pipe coupling for two-layer pipe | |
| JPH039592Y2 (en) | ||
| JPS59217497A (en) | Double tube heat exchanger |