GB1242762A - Mine roadway temporary support - Google Patents

Mine roadway temporary support

Info

Publication number
GB1242762A
GB1242762A GB1983569A GB1983569A GB1242762A GB 1242762 A GB1242762 A GB 1242762A GB 1983569 A GB1983569 A GB 1983569A GB 1983569 A GB1983569 A GB 1983569A GB 1242762 A GB1242762 A GB 1242762A
Authority
GB
United Kingdom
Prior art keywords
support
platform
temporary support
mine roadway
april
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
GB1983569A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB1983569A priority Critical patent/GB1242762A/en
Publication of GB1242762A publication Critical patent/GB1242762A/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

Abstract

1,242,762. Advancing mine roof supports. COAL INDUSTRY (PATENTS) Ltd. 10 April, 1970 [18 April 1969], No. 19835/69. Headings E1E and E1P. A mine roof support is provided with a cantilever extension 48 and a platform 52 mounted on the base, the platform having a part 58 which can be raised clear of the path of e.g. a machine travelling along the conveyor 22. The cantilever extension and platform part 58 are power operated by hydraulic rams 56, 62 and the support is advanced by the aid of a second support 70. (For Figure see next column)
GB1983569A 1969-04-18 1969-04-18 Mine roadway temporary support Expired GB1242762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1983569A GB1242762A (en) 1969-04-18 1969-04-18 Mine roadway temporary support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1983569A GB1242762A (en) 1969-04-18 1969-04-18 Mine roadway temporary support

Publications (1)

Publication Number Publication Date
GB1242762A true GB1242762A (en) 1971-08-11

Family

ID=10136030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1983569A Expired GB1242762A (en) 1969-04-18 1969-04-18 Mine roadway temporary support

Country Status (1)

Country Link
GB (1) GB1242762A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643942A (en) * 2018-07-16 2018-10-12 西安科技大学 Inverted arch when a kind of hydraulic pressure adjustable adjacent
CN112780287A (en) * 2021-02-03 2021-05-11 中铁二局第一工程有限公司 Violent-desertification dolomite small-section tunnel excavation system and method
CN113719285A (en) * 2021-09-23 2021-11-30 太原理工大学 Gob-side entry retaining method for fully-mechanized top coal caving face pile-spraying concrete

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643942A (en) * 2018-07-16 2018-10-12 西安科技大学 Inverted arch when a kind of hydraulic pressure adjustable adjacent
CN108643942B (en) * 2018-07-16 2023-11-10 西安科技大学 Temporary inverted arch with adjustable hydraulic pressure
CN112780287A (en) * 2021-02-03 2021-05-11 中铁二局第一工程有限公司 Violent-desertification dolomite small-section tunnel excavation system and method
CN113719285A (en) * 2021-09-23 2021-11-30 太原理工大学 Gob-side entry retaining method for fully-mechanized top coal caving face pile-spraying concrete
CN113719285B (en) * 2021-09-23 2023-08-22 太原理工大学 Pile-spraying concrete gob-side entry retaining method for fully-mechanized caving face

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