FR2302411A1 - Chapeau telescopique de soutenement - Google Patents

Chapeau telescopique de soutenement

Info

Publication number
FR2302411A1
FR2302411A1 FR7506098A FR7506098A FR2302411A1 FR 2302411 A1 FR2302411 A1 FR 2302411A1 FR 7506098 A FR7506098 A FR 7506098A FR 7506098 A FR7506098 A FR 7506098A FR 2302411 A1 FR2302411 A1 FR 2302411A1
Authority
FR
France
Prior art keywords
support telescopic
hat
telescopic hat
support
telescopic
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.)
Granted
Application number
FR7506098A
Other languages
English (en)
Other versions
FR2302411B1 (fr
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.)
LORRAINE HOUILLERES
Original Assignee
LORRAINE HOUILLERES
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 LORRAINE HOUILLERES filed Critical LORRAINE HOUILLERES
Priority to FR7506098A priority Critical patent/FR2302411A1/fr
Priority to US05/658,054 priority patent/US3991577A/en
Priority to PL1976187446A priority patent/PL108770B1/pl
Priority to CA246,644A priority patent/CA1038175A/fr
Publication of FR2302411A1 publication Critical patent/FR2302411A1/fr
Application granted granted Critical
Publication of FR2302411B1 publication Critical patent/FR2302411B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/003—Caps for supporting mine roofs with essential hydraulic elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Tents Or Canopies (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR7506098A 1975-02-27 1975-02-27 Chapeau telescopique de soutenement Granted FR2302411A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7506098A FR2302411A1 (fr) 1975-02-27 1975-02-27 Chapeau telescopique de soutenement
US05/658,054 US3991577A (en) 1975-02-27 1976-02-13 Telescopic support caps, e.g. for use in mining
PL1976187446A PL108770B1 (en) 1975-02-27 1976-02-24 Lining telescopic cross-bar
CA246,644A CA1038175A (fr) 1975-02-27 1976-02-26 Chapeau telescopique de soutenement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7506098A FR2302411A1 (fr) 1975-02-27 1975-02-27 Chapeau telescopique de soutenement

Publications (2)

Publication Number Publication Date
FR2302411A1 true FR2302411A1 (fr) 1976-09-24
FR2302411B1 FR2302411B1 (fr) 1978-09-29

Family

ID=9151806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506098A Granted FR2302411A1 (fr) 1975-02-27 1975-02-27 Chapeau telescopique de soutenement

Country Status (4)

Country Link
US (1) US3991577A (fr)
CA (1) CA1038175A (fr)
FR (1) FR2302411A1 (fr)
PL (1) PL108770B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732339C2 (de) * 1977-07-16 1990-03-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Strebausbau, insbesondere Strebrandausbau
DE8632139U1 (fr) * 1986-12-01 1987-02-26 Heiliger Martha C
US4946315A (en) * 1988-12-13 1990-08-07 Chugh Yoginder P Mine roof system
CN102182479B (zh) * 2011-04-01 2014-08-13 中煤北京煤矿机械有限责任公司 防开裂的液压支架顶梁唇口
CN110145330B (zh) * 2019-06-10 2021-01-15 华北科技学院 一种具有形变缓冲的抗冲击倾向性巷道支护装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1821020A (en) * 1929-06-17 1931-09-01 Mensforth Thomas Foot attachment for pit frops or steel arches employed as colliery or mining roof supports
US2036490A (en) * 1934-05-29 1936-04-07 Stewarts & Lloyds Ltd Support for mines and the like
US2371789A (en) * 1944-01-28 1945-03-20 Otho S Batten Means for and method of supporting the roofs or walls of underground workings
US2532168A (en) * 1948-06-12 1950-11-28 Frank J Jakoubek Mine roof and timbering jack
FR1291450A (fr) * 1961-06-09 1962-04-20 Lorenz Polygon Ausbau Gmbh Pièce de liaison articulée pour parties de soutènement minier
DE1221177B (de) * 1965-05-08 1966-07-21 Gewerk Eisenhuette Westfalia Kappenzug fuer rueckbare hydraulische Ausbaugestelle mit Vorpfaendkappen

Also Published As

Publication number Publication date
US3991577A (en) 1976-11-16
FR2302411B1 (fr) 1978-09-29
CA1038175A (fr) 1978-09-12
PL108770B1 (en) 1980-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse