BR7201203D0 - Aparelho para escavacao de furos e valas - Google Patents

Aparelho para escavacao de furos e valas

Info

Publication number
BR7201203D0
BR7201203D0 BR001203/72*[A BR120372A BR7201203D0 BR 7201203 D0 BR7201203 D0 BR 7201203D0 BR 120372 A BR120372 A BR 120372A BR 7201203 D0 BR7201203 D0 BR 7201203D0
Authority
BR
Brazil
Prior art keywords
trenches
excavation
appliance
holes
Prior art date
Application number
BR001203/72*[A
Other languages
English (en)
Portuguese (pt)
Inventor
G Botto
Original Assignee
Fondisa Cost Cemento Compr
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 Fondisa Cost Cemento Compr filed Critical Fondisa Cost Cemento Compr
Publication of BR7201203D0 publication Critical patent/BR7201203D0/pt

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)
BR001203/72*[A 1971-03-01 1972-03-01 Aparelho para escavacao de furos e valas BR7201203D0 (pt)

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
BR7201203D0 true BR7201203D0 (pt) 1973-05-10

Family

ID=11178196

Family Applications (1)

Application Number Title Priority Date Filing Date
BR001203/72*[A BR7201203D0 (pt) 1971-03-01 1972-03-01 Aparelho para escavacao de furos e valas

Country Status (12)

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

Families Citing this family (5)

* 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
DE50209376D1 (de) * 2001-10-23 2007-03-15 Bosch Gmbh Robert Getriebe-antriebseinheit mit einem adapter
DE102017004270A1 (de) * 2017-05-03 2018-11-08 Liebherr-Werk Nenzing Gmbh Schlitzwandgreifer mit hybridem Antrieb
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

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

Also Published As

Publication number Publication date
US3750770A (en) 1973-08-07
ZA721203B (en) 1972-11-29
CH550291A (de) 1974-06-14
IT987518B (it) 1975-03-20
ES400972A2 (es) 1975-01-16
BE779940R (fr) 1972-06-16
FR2128474A2 (cs) 1972-10-20
FR2128474B2 (cs) 1977-12-23
GB1382454A (en) 1975-01-29
NL7202530A (cs) 1972-09-05
DE2209876A1 (de) 1972-11-02
CA961510A (en) 1975-01-21

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