GB1077857A - Hydraulically operated mine prop - Google Patents

Hydraulically operated mine prop

Info

Publication number
GB1077857A
GB1077857A GB41752/64A GB4175264A GB1077857A GB 1077857 A GB1077857 A GB 1077857A GB 41752/64 A GB41752/64 A GB 41752/64A GB 4175264 A GB4175264 A GB 4175264A GB 1077857 A GB1077857 A GB 1077857A
Authority
GB
United Kingdom
Prior art keywords
prop
hydraulically operated
ring
see
mine prop
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
GB41752/64A
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.)
MARGOT VON LINSINGEN
Original Assignee
MARGOT VON LINSINGEN
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 MARGOT VON LINSINGEN filed Critical MARGOT VON LINSINGEN
Publication of GB1077857A publication Critical patent/GB1077857A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces
    • F16J1/006—Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Earth Drilling (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Transplanting Machines (AREA)
  • Reciprocating Pumps (AREA)
  • Actuator (AREA)

Abstract

1,077,857. Hydraulic pit props. M. VON LINSINGEN, [trading as BOCHUMER EISENHUTTE HEINTZMANN & CO.], Oct. 13, 1964 [Dec. 13, 1963], No. 41752/64. Addition to 1,010,905. Heading E1E. In a hydraulic pit prop as disclosed in Specification 1,010,905 the inner prop member is provided with a resilient, yieldable abutment 16 to accommodate deformations in the outer member 1, the abutment consisting of a corrugated, spring steel ring. The ring is either formed as a split ring or made up from two or more arcuate sections, see also Fig. 2 (not shown). The prop is provided with spring retraction means 25 and inlet and safety valve means, see Fig. 1 (not shown).
GB41752/64A 1961-04-20 1964-10-13 Hydraulically operated mine prop Expired GB1077857A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEB62205A DE1229480B (en) 1961-04-20 1961-04-20 Hydraulic pit ram
DE1963B0071366 DE1240018C2 (en) 1961-04-20 1963-04-01 Hydraulic pit ram
DEB74658A DE1292604B (en) 1961-04-20 1963-12-13 Hydraulic pit ram

Publications (1)

Publication Number Publication Date
GB1077857A true GB1077857A (en) 1967-08-02

Family

ID=27209148

Family Applications (3)

Application Number Title Priority Date Filing Date
GB14243/62A Expired GB1010905A (en) 1961-04-20 1962-04-20 Hydraulically operated mine prop
GB10637/64A Expired GB1037686A (en) 1961-04-20 1964-03-13 Hydraulic operated mine prop
GB41752/64A Expired GB1077857A (en) 1961-04-20 1964-10-13 Hydraulically operated mine prop

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB14243/62A Expired GB1010905A (en) 1961-04-20 1962-04-20 Hydraulically operated mine prop
GB10637/64A Expired GB1037686A (en) 1961-04-20 1964-03-13 Hydraulic operated mine prop

Country Status (4)

Country Link
US (1) US3166991A (en)
DE (3) DE1229480B (en)
GB (3) GB1010905A (en)
NL (2) NL6411096A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636794C2 (en) * 1975-09-09 1982-06-09 Voest-Alpine AG, 1011 Wien Rock impact valve for hydraulic pit support elements
US4009645A (en) * 1975-11-03 1977-03-01 Gerhart Engineering And Machine Company Piston pump
US4073312A (en) * 1976-06-21 1978-02-14 National Distillers And Chemical Corporation Charge and relief valve
US4203354A (en) * 1976-12-20 1980-05-20 The Bendix Corporation Hydraulic piston with metallic O-ring groove and non-metallic slidable surfaces
US4165880A (en) * 1977-07-11 1979-08-28 Olsson Hans O Sealing device
DE3734547A1 (en) * 1987-10-13 1989-05-03 Festo Kg PISTON CYLINDER AGGREGATE
US5230443A (en) * 1990-06-13 1993-07-27 Du Benjamin R Condiment dispensing device
AT395047B (en) * 1990-11-21 1992-08-25 Reisner & Wolff Eng POT-LIKE HYDRAULIC CYLINDER
US5299489A (en) * 1991-05-17 1994-04-05 Reo Hydraulic Pierce & Form Pressure cylinder with low tolerance fit capable of supporting large transverse loads
US6062427A (en) * 1998-08-27 2000-05-16 Du Investments L.L.C. Beer keg and pre-mixed beverage tank change-over device
US6099264A (en) * 1998-08-27 2000-08-08 Itt Manufacturing Enterprises, Inc. Pump controller
US6343539B1 (en) 1999-11-10 2002-02-05 Benjamin R. Du Multiple layer pump diaphragm
DE19954577C1 (en) * 1999-11-12 2001-06-21 Hyco Pacoma Gmbh Lift cylinder unit for a lifting platform
US9267375B2 (en) 2010-02-19 2016-02-23 Council Of Scientific & Industrial Research Device for roof support of underground mine/tunnel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH92916A (en) * 1920-10-13 1922-02-16 W H Dorman & Co Ltd Shoring column for tunnels, mines etc.
DE857679C (en) * 1943-10-18 1952-12-01 Smith S Jacking Systems Ltd Pressurized device, such as a jack or other lifting device
DE805586C (en) * 1945-11-16 1951-05-25 Ondulex Sarl Soc Piston ring
US2584926A (en) * 1949-08-05 1952-02-05 Birmingham Small Arms Co Ltd Plunger for inflating pumps
DE847283C (en) * 1950-07-09 1952-08-21 Mannesmann Ag Hydraulic pit ram
DE941541C (en) * 1952-04-09 1956-04-12 Eisenwerk Wanheim G M B H Adjustable metal pit punch
DE1063098B (en) * 1953-07-28 1959-08-13 Pleiger Maschf Paul Compressed air feed for rock drills u. Like. With telescoping support tubes
DE1044004B (en) * 1954-05-11 1958-11-20 Maschf Hydraulic pit ram
DE1023436B (en) * 1955-11-24 1958-01-30 Hermann Schwarz Kommanditgesel Hydraulic pit ram
BE558508A (en) * 1956-06-21
BE559110A (en) * 1956-07-11
BE560243A (en) * 1956-08-25
BE560360A (en) * 1956-08-29
FR1180897A (en) * 1957-08-07 1959-06-10 Etude Hydraulique Dans L Ind E Installation of mine ceilings support
DE1103699B (en) * 1958-05-22 1961-03-30 Segments Amedee Bollee S A R L Piston ring
DE1059380B (en) * 1958-08-07 1959-06-18 Karl Gerlach Multi-part pit stamp

Also Published As

Publication number Publication date
DE1240018C2 (en) 1973-02-08
GB1010905A (en) 1965-11-24
DE1229480B (en) 1966-12-01
US3166991A (en) 1965-01-26
DE1240018B (en) 1967-05-11
GB1037686A (en) 1966-08-03
DE1292604B (en) 1969-04-17
NL6411096A (en) 1965-06-14
NL277490A (en)

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