WO2016075843A1 - 電磁流量計 - Google Patents
電磁流量計 Download PDFInfo
- Publication number
- WO2016075843A1 WO2016075843A1 PCT/JP2014/083277 JP2014083277W WO2016075843A1 WO 2016075843 A1 WO2016075843 A1 WO 2016075843A1 JP 2014083277 W JP2014083277 W JP 2014083277W WO 2016075843 A1 WO2016075843 A1 WO 2016075843A1
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- Prior art keywords
- lining
- tube
- double
- sided tape
- flange
- Prior art date
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- 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
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- 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
- G01F1/588—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 combined constructions of electrodes, coils or magnetic circuits, accessories therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Definitions
- Embodiments of the present invention relate to an electromagnetic flow meter.
- an electromagnetic flow meter in which the inner surface of a pipe and the end surface of a flange provided with a groove are integrally covered with a lining.
- the electromagnetic flow meter of the embodiment includes, for example, a pipe, a lining, and a first double-sided tape.
- a fluid to be measured flows through the tube.
- the lining has a first portion that covers at least the inner surface of the tube.
- the first double-sided tape is interposed between the inner surface and the first portion, and bonds the tube and the lining.
- FIG. 1 is an exemplary perspective view of the electromagnetic flow meter of the first embodiment.
- 2 is a cross-sectional view taken along the line II-II in FIG. 3 is a cross-sectional view taken along the line III-III in FIG.
- FIG. 4 is an enlarged view of a part of FIG.
- FIG. 5 is an exemplary cross-sectional view of a measurement tube of the electromagnetic flow meter according to the second embodiment.
- the same components are included in the embodiments disclosed below. Therefore, below, the same code
- the axial direction indicates the axial direction of the central axis Ax of the measuring tube 4
- the radial direction indicates the radial direction of the central axis Ax
- the circumferential direction indicates the circumferential direction of the central axis Ax.
- the electromagnetic flow meter 1 includes, for example, a detector 2 and a converter 3 (display device, electronic device).
- the detector 2 includes a tube body 7 in which a flow path 7a is provided, and a detection unit 14 that detects a fluid to be measured that flows through the flow path 7a.
- the detection unit 14 includes a pair of electrode units 9 and 9 (see FIGS. 2 and 3) that are in contact with the fluid to be measured, and at least a pair of coil units 8 and 8 that generate a magnetic field.
- a line connecting the pair of electrode portions 9 and 9 is substantially orthogonal to the central axis Ax (axial center, see FIGS. 2 and 3) of the tube body 7 (measurement tube 4).
- the paired coil units 8 and 8 generate a magnetic field in a direction perpendicular to the line connecting the pair of electrode portions 9 and 9 and the central axis Ax.
- the converter 3 includes a housing 10 provided with a display device 12 and the like, and a control unit (not shown). The converter 3 is fixed to the detector 2 via the connecting portion 13. A wiring (harness, cord) and the like for electrically connecting the converter 3 (control unit) and the detector 2 (detection unit 14) are provided inside the coupling unit 13.
- the electromagnetic flow meter 1 when a magnetic field is generated inside the tube body 7 by the coil units 8, 8 forming a pair, and the fluid to be measured flows in a direction orthogonal to the magnetic field, the magnetic field and the fluid to be measured are orthogonal to each other. An electromotive force is generated. The electromotive force generated by the fluid to be measured is detected by the pair of electrode portions 9 and 9. Then, a detection signal corresponding to the electromotive force is sent from the pair of electrode portions 9 and 9 to the control unit of the converter 3. The control unit calculates (detects) the magnitude (value) of the electromotive force from the detection signal. And a control part calculates a flow volume from the magnitude
- the display device 12 has a display screen 12a.
- the display device 12 is supported by the housing 10 so that the display screen 12a is visible.
- the display device 12 is housed in the housing 10 and is covered with the panel 11.
- the panel 11 is provided with a transparent (for example, colorless and transparent) cover portion 11a (a transmission portion, a light transmission portion, and a window).
- the display screen 12a of the display device 12 is visually recognized through the cover 11a.
- the display device 12 is, for example, a liquid crystal display (LCD, Liquid Crystal Display) or the like.
- the tube body 7 includes, for example, a measurement tube 4 (tube), a flange 5, a lining 6, and a housing portion 20.
- the tube body 7 can be connected to another tube body (the tube body to be measured, not shown) through which the fluid to be measured flows.
- the detection unit 14 and the control unit detect the flow rate of the fluid to be measured that has flowed into the tube body 7 from another tube body.
- the measuring tube 4 is configured in a cylindrical shape (for example, a cylindrical shape) centered on the central axis Ax (see FIG. 2) of the tubular body 7.
- the measuring tube 4 includes an outer surface 4a (outer peripheral surface, outer surface, surface opposite to the flow channel 7a, first surface), an inner surface 4b (inner peripheral surface, inner surface, surface on the flow channel 7a side, second surface Surface).
- the flange 5, the accommodating portion 20, and the like are provided on the outer surface 4 a of the measuring tube 4, and the lining 6, the electrode portion 9, and the like are provided on the inner surface 4 b of the measuring tube 4.
- the measurement tube 4 can be made of, for example, a nonmagnetic metal material such as SUS (stainless steel) or a synthetic resin material such as polyvinyl chloride.
- the flange 5 is formed in an annular shape (for example, an annular shape) along the outer surface 4a of the measuring tube 4.
- the flange 5 is coupled (fixed) to the outer surface 4a of the measuring tube 4 by welding (welded portion Wf1 in FIG. 2), for example.
- the flange 5 is provided on each of the end 4c on the one side in the axial direction of the measuring tube 4 and the end 4d on the other side.
- FIG. 1 when it demonstrates without distinguishing a pair of flanges 5 and 5 specially, they are also only called the flange 5.
- the flange 5 has an end surface 5a (surface, coupling surface).
- the end surface 5a is a surface that overlaps (opposes) the object to be coupled (a flange of another tube coupled to the tube 7).
- the flange 5 is provided with a plurality of holes 5 b (mounting holes) penetrating the flange 5 along the axial direction.
- a coupling tool (not shown) (for example, a bolt or the like) that couples the tube body 7 and a coupling target (a flange of another tube body coupled to the tube body 7) is inserted into the hole 5b.
- the flange 5 can be made of, for example, a nonmagnetic metal material such as SUS (stainless steel) or a synthetic resin material such as polyvinyl chloride.
- the accommodating part 20 includes, for example, a wall part 15 (end plate part, vertical wall part, first cover member), a wall part 19 (end plate part, vertical wall part, second cover member), and a wall part 16 (peripheral wall). Part, cover part, third cover member).
- the wall portions 15 and 19 are provided with an interval in the axial direction, and project from the outer surface 4a of the measuring tube 4 in a flange shape in a direction intersecting the axial direction (for example, an orthogonal direction).
- the wall portion 16 is located on the outer peripheral portion of the wall portions 15 and 19 (the end portion on the side opposite to the measurement tube 4) and extends along the axial direction.
- the wall portion 16 is configured in a cylindrical shape (for example, a cylindrical shape) along the outer surface 4 a of the measuring tube 4.
- the wall portion 16 is provided over the wall portion 15 and the wall portion 19 and is coupled (fixed) to the outer peripheral portions of the wall portions 15 and 19 by, for example, welding (welded portion Wf2 in FIG. 2).
- the inner peripheral part (end part on the measurement tube 4 side, end part on the opposite side to the wall part 16) of the wall parts 15 and 19 is, for example, the outer surface of the measurement pipe 4 by welding (welded part Wf3 in FIG. 2). It is coupled (fixed) to 4a.
- a base member 17 (yoke member, core member), a coil unit 8, and a support member 18 (holding member) are accommodated.
- the wall portion 16 covers the base member 17, the coil unit 8, and the support member 18 along the outer surface 4 a of the measurement tube 4.
- the base member 17 is made of a magnetic material such as steel or silicon steel plate, for example.
- the base members 17 are provided on both sides in the radial direction (vertical direction) with the central axis Ax (see FIGS. 2 and 3) of the measurement tube 4 interposed therebetween.
- FIG. 1 when it demonstrates without distinguishing a pair of base members 17 and 17 specially, they are also only called the base member 17.
- the base member 17 includes, for example, a first portion 17a and a second portion 17b.
- the first portion 17a is configured in an arc shape (arch shape) along the outer surface 4a in a line of sight in the axial direction of the measurement tube 4 (not shown).
- the first portion 17a extends in a thin plate shape along the axial direction.
- the first portion 17a can be coupled (fixed) to the outer surface 4a of the measuring tube 4 by, for example, welding.
- the second portion 17b protrudes outward in the radial direction from the first portion 17a.
- Each of the pair of base members 17, 17 can be provided with a number of second portions 17 b corresponding to the number of coil units 8 mounted on the electromagnetic flow meter 1, for example.
- the second portion 17b is coupled (fixed) to the first portion 17a by, for example, welding or a coupling tool.
- the coil unit 8 has a cylindrical coil 8a (excitation coil).
- the coil unit 8 can be configured, for example, by hardening a coil 8a such as a copper wire wound in a cylindrical shape with a predetermined (arbitrary) number of turns by impregnation treatment or the like.
- the coil unit 8 is attached to the base member 17 in a state where the second portion 17b is inserted into the cylinder of the coil 8a.
- the coil unit 8 is configured by only the cylindrical coil 8a.
- the coil unit 8 may be configured by, for example, a cylindrical coil bobbin and a coil wound around the coil bobbin. .
- the support member 18 is provided corresponding to each of the pair of base members 17 and 17, for example, and is positioned on the opposite side to the first portion 17 a of the coil unit 8.
- the support member 18 can be coupled (fixed) to the second portion 17b by, for example, welding or a coupling tool.
- the coil unit 8 is positioned between the first portion 17 a and the support member 18.
- the support member 18 suppresses the coil unit 8 from coming out of the base member 17 in the radial direction.
- the magnetic field (magnetic flux) generated inside the coil unit 8 (second portion 17b) is spread along the outer surface 4a of the measuring tube 4 by, for example, the first portion 17a, and from one base member 17 to the other. It flows so as to cross the inside of the measuring tube 4 toward the base member 17. And it flows in into the wall part 16 through the clearance gap from the other base member 17, flows in the wall part 16 along the circumferential direction, and returns to the one base member 17 through the clearance gap.
- such a magnetic circuit is configured.
- a lining 6 is provided inside the measurement tube 4.
- the lining 6 includes, for example, a cylindrical portion 6a and a flare portion 6b.
- the cylindrical portion 6a is configured in a cylindrical shape (for example, a cylindrical shape) along the inner surface 4b of the measurement tube 4, and covers (covers) the inner surface 4b.
- the inner surface of the cylindrical part 6a constitutes a flow path 7a.
- the flare portion 6b is formed in an annular shape (for example, a plate shape and an annular shape) along the end surface 5a of the flange 5, and covers (covers) the end surface 5a.
- the flare portion 6b is provided at both ends of the cylindrical portion 6a in the axial direction, and projects in a flange shape in a direction crossing the axial direction (for example, an orthogonal direction).
- the flare portion 6b can cover, for example, a middle portion from the inner edge portion (the radially inner end portion) of the end surface 5a toward the outer edge portion (the radially outer end portion). That is, in this embodiment, the flare portion 6b covers the inner edge portion of the end surface 5a to the front portion of the hole 5b (see FIG. 1), and the hole 5b is open.
- the flare portion 6b has an end face 6c.
- the end surface 6 c is a surface opposite to the end surface 5 a of the flange 5 and constitutes the outer surface of the tubular body 7.
- the lining 6 is provided across, for example, the measurement tube 4 and the flange 5.
- the lining 6 protects the inner surface 4b of the measuring tube 4 and the end surface 5a of the flange 5 by a cylindrical portion 6a and a flare portion 6b connected to each other.
- the lining 6 can be made of, for example, a synthetic resin material such as a fluororesin.
- the cylindrical portion 6 a is an example of a first portion of the lining 6
- the flare portion 6 b is an example of a second portion of the lining 6.
- the lining 6 is configured in a sheet shape having a predetermined thickness, for example.
- the sheet-like lining 6 and the measuring tube 4 are bonded (that is, bonded) to each other via the double-sided tape 30.
- the double-sided tape 30 is provided between the inner surface 4 b of the measuring tube 4 and the cylindrical portion 6 a of the lining 6.
- the double-sided tape 30 includes a sheet-like (thin film-like) base material 31, a first adhesive layer 32 provided on the surface 31 a (first surface) of the base material 31, and a base And a second adhesive layer 33 provided on the surface 31b (second surface) of the material 31.
- the first adhesive layer 32 is interposed between the base material 31 and the inner surface 4b, and the second adhesive layer 33 is interposed between the base material 31 and the cylindrical portion 6a.
- the first adhesive layer 32 and the second adhesive layer 33 are made of, for example, an anaerobic adhesive. Anaerobic adhesives are adhesives that cure by blocking air.
- the lining 6 can be attached (attached) to the inner surface 4 b of the measuring tube 4 using the double-sided tape 30. Therefore, according to the present embodiment, for example, the operation of attaching (adhering) the lining 6 to the measurement tube 4 can be performed more easily or more quickly.
- the first adhesive layer 32 and the second adhesive layer 33 can be variously changed according to the material of the measuring tube 4 and the lining 6, for example, a silicone-based or epoxy-based adhesive material, or an instantaneous adhesive. Or the like.
- the base material 31 can be made of, for example, an acrylic or silicone resin material.
- the double-sided tape 30 is provided in a continuous surface shape having no defect region (hole, bubble, etc.) over the entire inner surface 4b, for example. Thereby, it is possible to further suppress the lining 6 from being peeled off from the measurement tube 4 when a negative pressure is generated in the measurement tube 4.
- the double-sided tape 30 is provided across the inner surface 4b and the welded portion Wf1 between the measurement tube 4 and the flange 5 on the flow path 7a side. . That is, the welded portion Wf1 is covered with the double-sided tape 30.
- the double-sided tape 30 is not provided in the welded part Wf1, for example, the lining 6 is pushed toward the welded part Wf1 by water pressure, so that the welded part Wf1 is applied to the inner surface of the lining 6 (that is, the flow path 7a). There is a risk that an uneven portion corresponding to the shape of the film will be formed.
- the formation of the uneven portion in the flow path 7a can be suppressed by the double-sided tape 30 (base material 31) interposed between the lining 6 and the welded portion Wf1.
- the double-sided tape 30 is provided over the entire area of the inner surface 4b, an uneven portion corresponding to the shape of the inner surface 4b is formed in the flow path 7a as in the case where the double-sided tape 30 is partially provided, It is possible to suppress the formation of uneven portions in the flow path 7a due to the portion where the double-sided tape 30 does not exist.
- the cylindrical portion 6a of the lining 6 is bonded (adhered) to the inner surface 4b of the measuring tube 4 while being rounded into a cylindrical shape along the inner surface 4b.
- the lining 6 may be attached (pasted) to the measuring tube 4 in a state where the double-sided tape 30 is bonded (adhered) to the inner surface 4b, or the double-sided tape 30 is bonded (attached).
- the bonded lining 6 may be attached (attached) to the inner surface 4b.
- Such an attachment method can be appropriately changed according to the diameter of the measurement tube 4, for example.
- the end portions 6e on both sides in the circumferential direction of the cylindrical portion 6a are inclined with respect to the radial direction in the line of sight in the axial direction.
- the edge part 6e of the lining 6 inclines, it can suppress that the water which flows through the flow path 7a leaks to the measurement tube 4 side.
- the clearance gap of the boundary part of the center part Ax side (diameter direction inner side) of the edge part 6e can be comprised so that it may be block
- the pair of electrode portions 9, 9 is provided at a position spaced from the boundary portion of the end portion 6e.
- a double-sided tape 40 is provided between the end surface 5 a of the flange 5 and the flare portion 6 b of the lining 6.
- the double-sided tape 40 is provided on a sheet-like (thin film-like) base material 41 and a surface 41a (first surface) of the base material 41, and is a first adhesive layer interposed between the base material 41 and the end surface 5a. 42 and a second adhesive layer 43 provided on the surface 41b (second surface) of the base material 42 and interposed between the base material 41 and the flare portion 6b.
- the materials of the base material 41, the first adhesive layer 42, and the second adhesive layer 43 are the same as the materials of the base material 31, the first adhesive layer 32, and the second adhesive layer 33 of the double-sided tape 30. Can be configured.
- the double-sided tape 40 is provided over the whole area of the end surface 5a. If the double-sided tape 40 is partially provided on the end surface 5a, the outside air is measured from the gap between the end surface 5a where the double-sided tape 40 does not exist and the flare 6b (the inner surface 4b and the cylindrical portion). 6b). In that respect, according to the present embodiment, since the double-sided tape 40 is provided over the entire end surface 5a, the outside air is measured between the end surface 5a and the flare portion 6b on the measuring tube 4 side (the inner surface 4b and the cylindrical portion). 6b) is easily suppressed. Therefore, for example, it can be further suppressed that the lining 6 is peeled off from the measurement tube 4 when a negative pressure is generated in the measurement tube 4.
- the double-sided tape 40 is bonded in advance to the end surface 5a side of the flange 5, for example, and a flare portion 6b formed by thermal deformation is attached (pasted) to the flange 5 in this state. ).
- the edge part 6e of the both sides of the circumferential direction of the flare part 6b can be comprised so that the clearance gap between boundary parts may be block
- the double-sided tape 30 is an example of a first double-sided tape
- the double-sided tape 40 is an example of a second double-sided tape.
- the electromagnetic flow meter 1 includes the measurement tube 4 (tube) through which the fluid to be measured flows and the cylindrical portion 6a (first portion) that covers at least the inner surface 4b of the measurement tube 4. And a double-sided tape 30 (first double-sided tape) that is interposed between the inner surface 4b and the cylindrical portion 6a and bonds the measuring tube 4 and the lining 6 together. Therefore, according to the present embodiment, for example, peeling of the lining 6 from the measuring tube 4 can be suppressed by the double-sided tape 30 having a relatively simple configuration. Therefore, for example, the electromagnetic flow meter 1 having a simpler configuration can be easily obtained, and the labor and cost required for manufacturing the electromagnetic flow meter 1 can be easily reduced.
- the measurement tube 4 and the lining 6 are coupled (adhered) to each other via the double-sided tape 30,
- the peeling of the lining 6 from the measuring tube 4 is more easily suppressed.
- steps such as blasting can be reduced, and as a result, generation of dust can be suppressed.
- a liquid adhesive is applied by a brush or the like to bond (adhere) the lining 6 and the measuring tube 4
- the electromagnetic flow meter 1 is interposed between the end face 5 a of the flange 5 and the flare portion 6 b (second part) of the lining 6 and adheres the flange 5 and the lining 6.
- a tape 40 (second double-sided tape) is further provided. Therefore, according to the present embodiment, for example, peeling of the lining 6 from the measuring tube 4 is more easily suppressed.
- At least one of the double-sided tape 30 (first double-sided tape) and the double-sided tape 40 (second double-sided tape) is a sheet-like substrate. 31, 41, first adhesive layers 32, 42 provided on the surfaces 31a, 41a (first surface) of the base materials 31, 41, and surfaces 31b, 41b (second surface) of the base materials 31, 41 ), And at least one of the first adhesive layers 32 and 42 and the second adhesive layers 33 and 43 (for example, both in this embodiment) is provided. Consists of anaerobic adhesive. Therefore, according to the present embodiment, for example, the operation of attaching the lining 6 to the measurement tube 4 and the flange 5 is easily performed more quickly.
- the electromagnetic flow meter 1A of the embodiment shown in FIG. 5 has the same configuration as the electromagnetic flow meter 1 of the first embodiment. Therefore, also according to this embodiment, the same result (effect) based on the same configuration as that of the first embodiment can be obtained.
- the lining 6 has a plurality of members 6A to 6C arranged adjacent to each other.
- the lining 6 is constituted by three members 6A, 6B, 6C arranged along the circumferential direction of the measuring tube 4.
- the lining 6 is attached to (attached to) the measurement tube 4 in a state where the end portions 6e of the members 6A to 6C adjacent to each other are in contact with each other.
- Double-sided tape 30, 40 can be provided corresponding to each member 6A, 6B, 6C.
- the gap at the boundary portion on the central axis Ax side (in the radial direction) of the end 6e can be configured to be closed by welding or the like, for example.
- a pair of electrode parts 9 and 9 are provided in the position spaced apart from the boundary part of the edge part 6e. Therefore, according to the present embodiment, for example, it is easier to attach the lining 6 (that is, the members 6A to 6C) to the measurement tube 4 and the flange 5 than when the lining 6 is configured by one member. In addition, it is easier to carry out more smoothly or more accurately.
- the case where the members 6A to 6C (divided bodies) of the lining 6 are divided in the circumferential direction is illustrated, but may be divided in the axial direction, or may be divided in the circumferential direction and the axial direction. May be.
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Abstract
Description
図1,2に示されるように、電磁流量計1は、例えば、検出器2と、変換器3(表示器、電子機器)と、を備える。検出器2は、内部に流路7aが設けられた管体7と、流路7aを流れる被測定流体を検出する検出部14と、を有する。検出部14は、被測定流体に接触する一対の電極部9,9(図2,3参照)と、磁界を生成する少なくとも一対のコイルユニット8,8と、を有する。一対の電極部9,9を結ぶ線は、管体7(測定管4)の中心軸Ax(軸心、図2,3参照)と略直交している。対を成すコイルユニット8,8は、一対の電極部9,9を結ぶ線と中心軸Axとに直交する方向に磁界を生成する。変換器3は、表示装置12等が設けられた筐体10と、制御部(図示されず)と、を有する。変換器3は、連結部13を介して検出器2に固定されている。連結部13の内部には、変換器3(制御部)と検出器2(検出部14)とを電気的に接続する配線(ハーネス、コード)等が設けられている。
図5に示される実施形態の電磁流量計1Aは、上記第1実施形態の電磁流量計1と同様の構成を備えている。よって、本実施形態によっても、上記第1実施形態と同様の構成に基づく同様の結果(効果)が得られる。
Claims (4)
- 被測定流体が流れる管と、
少なくとも前記管の内面を覆う第一の部分を有したライニングと、
前記内面と前記第一の部分との間に介在し、前記管と前記ライニングとを接着する第一の両面テープと、
を備えた、電磁流量計。 - 前記管の端部にはフランジが設けられ、
前記ライニングは、前記フランジの端面を覆うとともに、前記第一の部分と繋がった第二の部分を有し、
前記端面と前記第二の部分との間に介在し、前記フランジと前記ライニングとを接着する第二の両面テープ、をさらに備えた、請求項1に記載の電磁流量計。 - 前記第一の両面テープおよび前記第二の両面テープのうち少なくとも一方は、シート状の基材と、前記基材の第一の面に設けられた第一の接着層と、前記基材の第二の面に設けられた第二の接着層と、を有し、
前記第一の接着層および前記第二の接着層のうち少なくとも一方は、嫌気性接着剤で構成された、請求項1または2に記載の電磁流量計。 - 前記ライニングは、互いに隣接して配置される複数の部材を有した、請求項1に記載の電磁流量計。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US15/309,360 US20170261358A1 (en) | 2014-11-13 | 2014-12-16 | Electromagnetic flowmeter |
KR1020167000503A KR20160073957A (ko) | 2014-11-13 | 2014-12-16 | 전자 유량계 |
CN201480039899.6A CN105917196A (zh) | 2014-11-13 | 2014-12-16 | 电磁流量计 |
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JP2014230921A JP2016095206A (ja) | 2014-11-13 | 2014-11-13 | 電磁流量計 |
JP2014-230921 | 2014-11-13 |
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JP (1) | JP2016095206A (ja) |
KR (1) | KR20160073957A (ja) |
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US10823597B2 (en) * | 2017-12-14 | 2020-11-03 | Arad Ltd. | Ultrasonic water meter including a metallic outer body and polymeric inner lining sleeve |
USD1020498S1 (en) * | 2021-10-14 | 2024-04-02 | Xiaoying WU | Liquid gear flowmeter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5546202U (ja) * | 1978-09-19 | 1980-03-26 | ||
JPH01105090A (ja) * | 1987-10-15 | 1989-04-21 | Norio Takei | 粘着剤ライニング層を具えるラインパイプ |
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- 2014-11-13 JP JP2014230921A patent/JP2016095206A/ja active Pending
- 2014-12-16 WO PCT/JP2014/083277 patent/WO2016075843A1/ja active Application Filing
- 2014-12-16 KR KR1020167000503A patent/KR20160073957A/ko not_active Application Discontinuation
- 2014-12-16 US US15/309,360 patent/US20170261358A1/en not_active Abandoned
- 2014-12-16 CN CN201480039899.6A patent/CN105917196A/zh not_active Withdrawn
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Also Published As
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CN105917196A (zh) | 2016-08-31 |
KR20160073957A (ko) | 2016-06-27 |
JP2016095206A (ja) | 2016-05-26 |
US20170261358A1 (en) | 2017-09-14 |
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