BE779940R - Appareillage pour creuser des forages et tranchees - Google Patents

Appareillage pour creuser des forages et tranchees

Info

Publication number
BE779940R
BE779940R BE779940A BE779940A BE779940R BE 779940 R BE779940 R BE 779940R BE 779940 A BE779940 A BE 779940A BE 779940 A BE779940 A BE 779940A BE 779940 R BE779940 R BE 779940R
Authority
BE
Belgium
Prior art keywords
trenches
digging
bores
equipment
digging bores
Prior art date
Application number
BE779940A
Other languages
English (en)
Original Assignee
Cemento Compresso Fondisa S P
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cemento Compresso Fondisa S P filed Critical Cemento Compresso Fondisa S P
Application granted granted Critical
Publication of BE779940R publication Critical patent/BE779940R/fr

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
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N19/00—Lubricant containers for use in lubricators or lubrication systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)
BE779940A 1971-03-01 1972-02-28 Appareillage pour creuser des forages et tranchees BE779940R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21195/71A IT987518B (it) 1971-03-01 1971-03-01 Apparecchiatura per lo scavo di fori e trincbe di notevole pro fondita

Publications (1)

Publication Number Publication Date
BE779940R true BE779940R (fr) 1972-06-16

Family

ID=11178196

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779940A BE779940R (fr) 1971-03-01 1972-02-28 Appareillage pour creuser des forages et tranchees

Country Status (12)

Country Link
US (1) US3750770A (fr)
BE (1) BE779940R (fr)
BR (1) BR7201203D0 (fr)
CA (1) CA961510A (fr)
CH (1) CH550291A (fr)
DE (1) DE2209876A1 (fr)
ES (1) ES400972A2 (fr)
FR (1) FR2128474B2 (fr)
GB (1) GB1382454A (fr)
IT (1) IT987518B (fr)
NL (1) NL7202530A (fr)
ZA (1) ZA721203B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253024A (zh) * 2020-12-08 2021-01-22 中国石油天然气集团有限公司 油气井油管清砂装置及清砂方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2740101C2 (de) * 1977-09-06 1986-04-24 Casagrande & C. S.p.A., Fontanafredda Bohrgreifer
DE19848792C1 (de) * 1998-10-22 2000-05-04 Netzsch Mohnopumpen Gmbh Tauchpumpeneinrichtung zur Verwendung in einem Bohrloch
ES2280569T3 (es) * 2001-10-23 2007-09-16 Robert Bosch Gmbh Unidad de accionamiento de engranajes con adaptador.
DE102017004270A1 (de) * 2017-05-03 2018-11-08 Liebherr-Werk Nenzing Gmbh Schlitzwandgreifer mit hybridem Antrieb

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618294A (en) * 1926-03-30 1927-02-22 Olson Joseph Underreamer
US2203246A (en) * 1938-11-01 1940-06-04 Estate Of Emil H Zum Berge Underreamer
US2645458A (en) * 1950-07-29 1953-07-14 Yost Merrill Hole boring rig
US3113629A (en) * 1960-11-29 1963-12-10 Benoto Sa Boring apparatus whose opening is adjustable
US3194329A (en) * 1964-06-11 1965-07-13 Calweld Inc Hydraulic grab bucket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253024A (zh) * 2020-12-08 2021-01-22 中国石油天然气集团有限公司 油气井油管清砂装置及清砂方法
CN112253024B (zh) * 2020-12-08 2023-03-24 中国石油天然气集团有限公司 油气井油管清砂装置及清砂方法

Also Published As

Publication number Publication date
GB1382454A (en) 1975-01-29
FR2128474A2 (fr) 1972-10-20
IT987518B (it) 1975-03-20
US3750770A (en) 1973-08-07
CH550291A (de) 1974-06-14
ZA721203B (en) 1972-11-29
FR2128474B2 (fr) 1977-12-23
ES400972A2 (es) 1975-01-16
BR7201203D0 (pt) 1973-05-10
DE2209876A1 (de) 1972-11-02
NL7202530A (fr) 1972-09-05
CA961510A (en) 1975-01-21

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