JPH0458888B2 - - Google Patents
Info
- Publication number
- JPH0458888B2 JPH0458888B2 JP59226028A JP22602884A JPH0458888B2 JP H0458888 B2 JPH0458888 B2 JP H0458888B2 JP 59226028 A JP59226028 A JP 59226028A JP 22602884 A JP22602884 A JP 22602884A JP H0458888 B2 JPH0458888 B2 JP H0458888B2
- Authority
- JP
- Japan
- Prior art keywords
- extrusion
- cylinder
- fluid
- flow rate
- downstream
- 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
- 238000001125 extrusion Methods 0.000 claims description 141
- 239000012530 fluid Substances 0.000 claims description 139
- 238000004891 communication Methods 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000012795 verification Methods 0.000 claims description 22
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000003556 assay Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 29
- 238000005259 measurement Methods 0.000 description 16
- 230000008901 benefit Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 230000036961 partial effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 108091008695 photoreceptors Proteins 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/11—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a seal ball or piston in a test loop
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54656883A | 1983-10-28 | 1983-10-28 | |
| US641029 | 1984-08-15 | ||
| US641452 | 1984-08-16 | ||
| US546568 | 2000-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60173418A JPS60173418A (ja) | 1985-09-06 |
| JPH0458888B2 true JPH0458888B2 (enrdf_load_stackoverflow) | 1992-09-18 |
Family
ID=24181002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59226028A Granted JPS60173418A (ja) | 1983-10-28 | 1984-10-29 | 小型流量検定器 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS60173418A (enrdf_load_stackoverflow) |
| DE (1) | DE3439153C2 (enrdf_load_stackoverflow) |
| GB (2) | GB2149125B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4627267A (en) * | 1985-07-19 | 1986-12-09 | Flow Technology, Inc. | Apparatus and method for determining the flow characterstic of a volumetric flowmeter |
| JPS62280622A (ja) * | 1986-05-28 | 1987-12-05 | Tokyo Tatsuno Co Ltd | 検量装置 |
| DE102016100770A1 (de) * | 2016-01-19 | 2017-07-20 | Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft | Ventilsystem |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1494206A (en) * | 1974-06-12 | 1977-12-07 | Secretary Industry Brit | Retardation of discrete bodies transported by fluid flow within pipes |
| GB1599162A (en) * | 1977-07-29 | 1981-09-30 | Nat Carbonising Co Ltd | Meter provers |
| GB2088566A (en) * | 1980-11-28 | 1982-06-09 | Shepherd Richard | Meter provers and methods of proving flow meters |
| US4372147A (en) * | 1981-03-17 | 1983-02-08 | Waugh Controls Corporation | Flow meter prover apparatus and method |
| EP0072916A3 (en) * | 1981-07-27 | 1984-12-05 | Flow Technology, Inc. | Apparatus for determining the characteristic of a flowmeter |
-
1984
- 1984-10-25 DE DE3439153A patent/DE3439153C2/de not_active Expired - Fee Related
- 1984-10-26 GB GB08427074A patent/GB2149125B/en not_active Expired
- 1984-10-29 JP JP59226028A patent/JPS60173418A/ja active Granted
-
1987
- 1987-10-05 GB GB08723292A patent/GB2196742B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2149125A (en) | 1985-06-05 |
| GB2196742B (en) | 1988-11-16 |
| JPS60173418A (ja) | 1985-09-06 |
| GB2196742A (en) | 1988-05-05 |
| GB8427074D0 (en) | 1984-12-05 |
| DE3439153A1 (de) | 1985-05-09 |
| GB8723292D0 (en) | 1987-11-11 |
| DE3439153C2 (de) | 1995-06-22 |
| GB2149125B (en) | 1988-09-21 |
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