CH549698A - HYDRAULIC SUPPORT DEVICE. - Google Patents

HYDRAULIC SUPPORT DEVICE.

Info

Publication number
CH549698A
CH549698A CH1907072A CH1907072A CH549698A CH 549698 A CH549698 A CH 549698A CH 1907072 A CH1907072 A CH 1907072A CH 1907072 A CH1907072 A CH 1907072A CH 549698 A CH549698 A CH 549698A
Authority
CH
Switzerland
Prior art keywords
support device
hydraulic support
hydraulic
support
Prior art date
Application number
CH1907072A
Other languages
German (de)
Original Assignee
Plank David O
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 Plank David O filed Critical Plank David O
Publication of CH549698A publication Critical patent/CH549698A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/083—Shoring struts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02—Cylinders designed to receive moving pistons or plungers
CH1907072A 1972-11-08 1972-12-29 HYDRAULIC SUPPORT DEVICE. CH549698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30482472A 1972-11-08 1972-11-08

Publications (1)

Publication Number Publication Date
CH549698A true CH549698A (en) 1974-05-31

Family

ID=23178179

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1907072A CH549698A (en) 1972-11-08 1972-12-29 HYDRAULIC SUPPORT DEVICE.

Country Status (9)

Country Link
US (1) US3791151A (en)
AR (1) AR201016A1 (en)
AT (1) AT327808B (en)
BR (1) BR7308763D0 (en)
CA (1) CA978512A (en)
CH (1) CH549698A (en)
DE (1) DE2264164A1 (en)
IT (1) IT974895B (en)
NL (1) NL7314386A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732339C2 (en) * 1977-07-16 1990-03-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Longwall mining, especially longwall mining
US4453863A (en) * 1982-01-29 1984-06-12 Safety Lights Sales & Leasing, Inc. Trench shoring device
GB2160561B (en) * 1984-06-20 1987-07-29 Nippon Speed Shore An expansion beam for shoring sand guards
FR2615218B1 (en) * 1987-05-13 1991-05-17 Gundogar Ahmet SHIELDING FOR TRENCHES
US5125395A (en) * 1990-09-12 1992-06-30 Adair Edwin Lloyd Deflectable sheath for optical catheter
US5096334B1 (en) * 1990-09-28 1998-07-14 Speed Shore Corp Shoring shield
EP0573732A1 (en) * 1992-06-09 1993-12-15 Gerhard Fritscher Shoring device for supporting a trenchwall in a trench
US5232313A (en) * 1992-10-08 1993-08-03 Jennings Charles B Shoring guard
US5482404A (en) * 1993-07-27 1996-01-09 Tenbusch, Ii; Albert A. Underground pipe replacement technique
US6017170A (en) * 1998-06-01 2000-01-25 American Rescue Technologies, Inc. Adjustable self locking shoring strut
US6821057B1 (en) 2000-04-05 2004-11-23 Maksim Kadiu Magnetic shoring device
US7048471B2 (en) * 2000-04-05 2006-05-23 Maksim Kadiu Shoring device
US7056067B2 (en) * 2003-10-03 2006-06-06 Max Kadiu Trench shoring device
US7101119B2 (en) * 2004-07-27 2006-09-05 Victor M Cerda Shoring assembly and method
CN111188343B (en) * 2020-01-11 2021-09-14 湖南城市学院 Support protective structure for building foundation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US804696A (en) * 1904-11-04 1905-11-14 Friedrich Wilhelm Winterhoff Apparatus for forming stays and for connecting struts.
US3224201A (en) * 1960-08-11 1965-12-21 Speed Shore Corp Shoring apparatus
US3172339A (en) * 1962-10-02 1965-03-09 Yale & Towne Inc Hydraulic lift truck
US3362167A (en) * 1965-07-27 1968-01-09 Allied Steel Tractor Prod Inc Shoring apparatus
DE1601715A1 (en) * 1968-03-09 1970-08-13 Rolf Dohrendorf Hydraulic equipment, in particular for driving construction machines

Also Published As

Publication number Publication date
IT974895B (en) 1974-07-10
AR201016A1 (en) 1975-02-06
NL7314386A (en) 1974-05-10
DE2264164A1 (en) 1974-05-16
ATA1114272A (en) 1975-04-15
CA978512A (en) 1975-11-25
BR7308763D0 (en) 1974-09-05
AT327808B (en) 1976-02-25
US3791151A (en) 1974-02-12

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Legal Events

Date Code Title Description
PL Patent ceased