DE2608040B2 - Anordnung zum Überprüfen des Haltbarkeitszustandes von Waren in hermetisch verschlossenen Behältern - Google Patents
Anordnung zum Überprüfen des Haltbarkeitszustandes von Waren in hermetisch verschlossenen BehälternInfo
- Publication number
- DE2608040B2 DE2608040B2 DE19762608040 DE2608040A DE2608040B2 DE 2608040 B2 DE2608040 B2 DE 2608040B2 DE 19762608040 DE19762608040 DE 19762608040 DE 2608040 A DE2608040 A DE 2608040A DE 2608040 B2 DE2608040 B2 DE 2608040B2
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- generator
- voltage converter
- transmitter device
- range
- 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
- 238000012360 testing method Methods 0.000 claims description 9
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 238000009924 canning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 235000013324 preserved food Nutrition 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electromagnetism (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762608040 DE2608040B2 (de) | 1976-02-27 | 1976-02-27 | Anordnung zum Überprüfen des Haltbarkeitszustandes von Waren in hermetisch verschlossenen Behältern |
| CH213277A CH632596A5 (en) | 1976-02-27 | 1977-02-21 | Arrangement for testing the state of durability of goods in hermetically sealed containers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762608040 DE2608040B2 (de) | 1976-02-27 | 1976-02-27 | Anordnung zum Überprüfen des Haltbarkeitszustandes von Waren in hermetisch verschlossenen Behältern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2608040A1 DE2608040A1 (de) | 1977-09-01 |
| DE2608040B2 true DE2608040B2 (de) | 1978-10-05 |
| DE2608040C3 DE2608040C3 (enExample) | 1979-06-07 |
Family
ID=5971055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762608040 Granted DE2608040B2 (de) | 1976-02-27 | 1976-02-27 | Anordnung zum Überprüfen des Haltbarkeitszustandes von Waren in hermetisch verschlossenen Behältern |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH632596A5 (enExample) |
| DE (1) | DE2608040B2 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1588563A (en) * | 1978-02-07 | 1981-04-23 | Hajime Industries | Ultrasonic system for container inspection |
| FR2417768A1 (fr) * | 1978-02-17 | 1979-09-14 | Hajime Industries | Installation pour l'inspection de recipients en vue de la verification de qualite du contenu |
-
1976
- 1976-02-27 DE DE19762608040 patent/DE2608040B2/de active Granted
-
1977
- 1977-02-21 CH CH213277A patent/CH632596A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH632596A5 (en) | 1982-10-15 |
| DE2608040A1 (de) | 1977-09-01 |
| DE2608040C3 (enExample) | 1979-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2912712C2 (enExample) | ||
| DE2741060C2 (de) | Verfahren und Vorrichtung zur Erfassung der Zustandsänderung einer Flüssigkeit | |
| DE2732543A1 (de) | Vorrichtung und verfahren zur ueberwachung einer grenzlinie | |
| DE2528625C2 (de) | Vorrichtung zur zerstörungsfreien Oberflächenprüfung eines langgestreckten metallischen Körpers | |
| DE2509927C3 (de) | Wirbelstromprüf spulenanordnung | |
| EP0060392B1 (de) | Vorrichtung zum Prüfen von Münzen | |
| DE102014113470A1 (de) | Elektrogerät mit einem mit Isolieröl gefüllten Gehäuse sowie Messgerät und Verfahren zum Überwachen eines solchen Elektrogeräts | |
| DE19818768A1 (de) | Verfahren und Vorrichtung zum Ermitteln des Füllstands von Behältern | |
| DE3348119C2 (en) | Device for ascertaining and/or monitoring a predetermined filling level in a container | |
| DE4004965A1 (de) | Pruefverfahren und vorrichtung zur durchfuehrung desselben | |
| DE2608040C3 (enExample) | ||
| DE1902806B2 (de) | MünzprUfer | |
| DE2712890A1 (de) | Beschleunigungsaufnehmer | |
| EP0116901A2 (de) | Vorrichtung zur Ultraschallprüfung | |
| DE1917855B2 (de) | Vorrichtung zur zerstörungsfreien Werkstoffprüfung nach der Wirbelstrommethode | |
| DE19934876A1 (de) | Füllstandsmeßsystem | |
| DE2916123A1 (de) | Schaltungsanordnung zur pruefung der groesse von materialzusammensetzung von muenzen | |
| DE2918948C2 (de) | Kontaktvorrichtung | |
| DE2805656C3 (de) | Behälterprüfsystem | |
| DE1804268C3 (de) | Schaltungsanordnung zur Prüfung und oder Ausscheidung von metallischen Materialien, z.B. von Münzen in Münzfernsprechern | |
| EP0495267B1 (de) | Vorrichtung zur Prüfung von Münzen oder dergleichen metallischen Scheiben | |
| DE604675C (de) | Verfahren zum Bestimmen von Ungleichmaessigkeiten in der Oberflaeche von Draehten o.dgl. | |
| DE3404492A1 (de) | Vorrichtung zur ultraschallpruefung | |
| DE19836490C2 (de) | Schaltungsanordnung für die Prüfung von Münzen in einem Münzgerät | |
| DE3134729C2 (de) | Verfahren und Schaltungsanordnung zur Messung der Phasendifferenz zweier anschwingender, elektrischer, sinusförmiger, gleichfrequenter Wechselspannungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |