GB1549192A - Lifting apparatus - Google Patents

Lifting apparatus

Info

Publication number
GB1549192A
GB1549192A GB1713075A GB1713075A GB1549192A GB 1549192 A GB1549192 A GB 1549192A GB 1713075 A GB1713075 A GB 1713075A GB 1713075 A GB1713075 A GB 1713075A GB 1549192 A GB1549192 A GB 1549192A
Authority
GB
United Kingdom
Prior art keywords
lifting apparatus
lifting
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
GB1713075A
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.)
Purdy R C
Original Assignee
Purdy R C
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 Purdy R C filed Critical Purdy R C
Priority to GB1713075A priority Critical patent/GB1549192A/en
Publication of GB1549192A publication Critical patent/GB1549192A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
GB1713075A 1976-04-15 1976-04-15 Lifting apparatus Expired GB1549192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1713075A GB1549192A (en) 1976-04-15 1976-04-15 Lifting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1713075A GB1549192A (en) 1976-04-15 1976-04-15 Lifting apparatus

Publications (1)

Publication Number Publication Date
GB1549192A true GB1549192A (en) 1979-08-01

Family

ID=10089824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1713075A Expired GB1549192A (en) 1976-04-15 1976-04-15 Lifting apparatus

Country Status (1)

Country Link
GB (1) GB1549192A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026438A2 (en) * 1979-09-26 1981-04-08 Saarbergwerke Aktiengesellschaft Propping aid for sustaining the propping sections and for safeguarding the excavation area in rills and galleries
US4269547A (en) * 1978-05-25 1981-05-26 Harding John D Tunnel roof supporting apparatus
GB2228280A (en) * 1989-02-16 1990-08-22 Coal Ind Improvements relating to arch setting
CN102704962A (en) * 2012-06-20 2012-10-03 河南永华能源有限公司 Shed upper beam device of I-beam shed for coal mine laneway

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269547A (en) * 1978-05-25 1981-05-26 Harding John D Tunnel roof supporting apparatus
EP0026438A2 (en) * 1979-09-26 1981-04-08 Saarbergwerke Aktiengesellschaft Propping aid for sustaining the propping sections and for safeguarding the excavation area in rills and galleries
EP0026438A3 (en) * 1979-09-26 1981-05-20 Saarbergwerke Aktiengesellschaft Propping aid for sustaining the propping sections and for safeguarding the excavation area in rills and galleries
GB2228280A (en) * 1989-02-16 1990-08-22 Coal Ind Improvements relating to arch setting
EP0383456A2 (en) * 1989-02-16 1990-08-22 Coal Industry (Patents) Limited Improvements relating to arch setting
EP0383456A3 (en) * 1989-02-16 1991-08-28 Coal Industry (Patents) Limited Improvements relating to arch setting
CN102704962A (en) * 2012-06-20 2012-10-03 河南永华能源有限公司 Shed upper beam device of I-beam shed for coal mine laneway
CN102704962B (en) * 2012-06-20 2015-04-15 河南永华能源有限公司 Shed upper beam device of I-beam shed for coal mine laneway

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940415