ES370671A1 - Aparato para la excavacion de agujeros y trincheras de pro-fundidad considerable. - Google Patents

Aparato para la excavacion de agujeros y trincheras de pro-fundidad considerable.

Info

Publication number
ES370671A1
ES370671A1 ES370671A ES370671A ES370671A1 ES 370671 A1 ES370671 A1 ES 370671A1 ES 370671 A ES370671 A ES 370671A ES 370671 A ES370671 A ES 370671A ES 370671 A1 ES370671 A1 ES 370671A1
Authority
ES
Spain
Prior art keywords
trenches
excavation
deep holes
support bar
arms
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
Application number
ES370671A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CEMENTO COMPRESSO FONDISA S P
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
Publication of ES370671A1 publication Critical patent/ES370671A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • 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
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom
    • 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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)
ES370671A 1968-10-23 1969-07-23 Aparato para la excavacion de agujeros y trincheras de pro-fundidad considerable. Expired ES370671A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2288068 1968-10-23

Publications (1)

Publication Number Publication Date
ES370671A1 true ES370671A1 (es) 1971-11-01

Family

ID=11201480

Family Applications (1)

Application Number Title Priority Date Filing Date
ES370671A Expired ES370671A1 (es) 1968-10-23 1969-07-23 Aparato para la excavacion de agujeros y trincheras de pro-fundidad considerable.

Country Status (10)

Country Link
US (1) US3640353A (de)
AT (1) AT303635B (de)
BE (1) BE736488A (de)
CH (1) CH514039A (de)
DE (1) DE1952116A1 (de)
ES (1) ES370671A1 (de)
FR (1) FR2021338A1 (de)
GB (1) GB1200575A (de)
LU (1) LU59179A1 (de)
NL (1) NL6915710A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1216936A (en) * 1967-12-23 1970-12-23 Orenstein & Koppel Ag Machines for digging deep narrow trenches
US4106225A (en) * 1977-03-07 1978-08-15 Schnabel Foundation Company Method and apparatus for excavating underpinning holes
DE3805868A1 (de) * 1988-02-25 1989-09-07 Hochtief Ag Hoch Tiefbauten Seilgefuehrter schlitzwandgreifer

Family Cites Families (6)

* 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
US2499508A (en) * 1948-10-15 1950-03-07 Ilmar J Karhu Well digger
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
FR2021338A1 (de) 1970-07-24
GB1200575A (en) 1970-07-29
BE736488A (de) 1969-12-31
DE1952116A1 (de) 1970-05-21
CH514039A (de) 1971-10-15
NL6915710A (de) 1970-04-27
US3640353A (en) 1972-02-08
LU59179A1 (de) 1969-12-05
AT303635B (de) 1972-12-11

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