FR2162172B1 - - Google Patents
Info
- Publication number
- FR2162172B1 FR2162172B1 FR7242843A FR7242843A FR2162172B1 FR 2162172 B1 FR2162172 B1 FR 2162172B1 FR 7242843 A FR7242843 A FR 7242843A FR 7242843 A FR7242843 A FR 7242843A FR 2162172 B1 FR2162172 B1 FR 2162172B1
- Authority
- FR
- France
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/24—Safety devices, e.g. for preventing overload
- E02F9/245—Safety devices, e.g. for preventing overload for preventing damage to underground objects during excavation, e.g. indicating buried pipes or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S37/00—Excavating
- Y10S37/906—Visual aids and indicators for excavating tool
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Paleontology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1971113355U JPS5148805Y2 (fr) | 1971-12-02 | 1971-12-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2162172A1 FR2162172A1 (fr) | 1973-07-13 |
FR2162172B1 true FR2162172B1 (fr) | 1975-01-03 |
Family
ID=14610156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7242843A Expired FR2162172B1 (fr) | 1971-12-02 | 1972-12-01 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3858737A (fr) |
JP (1) | JPS5148805Y2 (fr) |
DE (1) | DE2257951B2 (fr) |
FR (1) | FR2162172B1 (fr) |
GB (1) | GB1404617A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1509380A (en) * | 1975-06-14 | 1978-05-04 | Electrolocation Ltd | Underground metal pipe or cable location |
US4070625A (en) * | 1976-09-14 | 1978-01-24 | Dravo Corporation | Apparatus for measuring the distance to the floor of the cargo hold of a ship through intervening bulk material |
US4600356A (en) * | 1984-01-27 | 1986-07-15 | Gas Research Institute | Underground pipeline and cable detector and process |
DE4027020C2 (de) * | 1990-08-27 | 1994-08-25 | Heinrich Liebig Gmbh | Verfahren und Vorrichtung zur Feststellung des Vorhandenseins von metallischen Bewehrungselementen im Innern eines Beton-Bauteils |
ATE104719T1 (de) * | 1990-12-14 | 1994-05-15 | Servoindikator Hb | Anzeiger. |
SE467978B (sv) * | 1990-12-14 | 1992-10-12 | Servoindikator Hb | Pekare |
DE4233441A1 (de) * | 1992-07-21 | 1994-01-27 | Zikun Fahrzeugbau Gmbh | Hilfsvorrichtung für Fahrzeuge |
US5479729A (en) * | 1994-04-04 | 1996-01-02 | At&T Corp. | Method and apparatus for controlling excavation eqiupment |
US5592092A (en) * | 1994-10-28 | 1997-01-07 | Gas Research Institute | Pipe proximity warning device for accidental damage prevention mounted on the bucket of a backhoe |
GB2337120B (en) * | 1998-05-07 | 2003-04-09 | Radiodetection Ltd | Detecting underground conductors |
DE102008059365A1 (de) * | 2008-11-28 | 2010-06-02 | Symeo Gmbh | Positions- und/oder Ausrichtungs-Bestimmungsvorrichtung mittels Funk- oder Satelliten-gestützter Sender |
US20100321021A1 (en) * | 2009-06-23 | 2010-12-23 | Jack Alexander Siegel | Metal detection excavation apparatus and method |
CA2970327C (fr) * | 2014-12-09 | 2023-10-10 | Cmte Development Limited | Procede et systeme pour la detection d'objets conducteurs |
CA3081848A1 (fr) * | 2017-11-06 | 2019-05-09 | Brp Group Pty Ltd | Pelle de securite a detection de frequence electromagnetique (emf) pour detecter la presence de cables d'alimentation souterrains pendant une excavation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2131291A (en) * | 1936-06-16 | 1938-09-27 | Charles I Maust | Signal system for excavators |
US2409397A (en) * | 1943-10-13 | 1946-10-15 | Edward F Sheehan | Safety cutoff for power-operated hand tools |
US3418572A (en) * | 1966-02-11 | 1968-12-24 | Thomas G. Humphreys Jr. | Apparatus including variable frequency indicating means for locating and tracing conductive structures |
JPS499388B1 (fr) * | 1968-05-25 | 1974-03-04 |
-
1971
- 1971-12-02 JP JP1971113355U patent/JPS5148805Y2/ja not_active Expired
-
1972
- 1972-11-25 DE DE19722257951 patent/DE2257951B2/de active Granted
- 1972-11-27 US US309888A patent/US3858737A/en not_active Expired - Lifetime
- 1972-11-27 GB GB5479072A patent/GB1404617A/en not_active Expired
- 1972-12-01 FR FR7242843A patent/FR2162172B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4869202U (fr) | 1973-09-01 |
DE2257951A1 (de) | 1973-06-07 |
DE2257951B2 (de) | 1976-02-05 |
US3858737A (en) | 1975-01-07 |
FR2162172A1 (fr) | 1973-07-13 |
JPS5148805Y2 (fr) | 1976-11-25 |
GB1404617A (en) | 1975-09-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |