GB1490351A - Excavating equipment - Google Patents

Excavating equipment

Info

Publication number
GB1490351A
GB1490351A GB923874A GB923874A GB1490351A GB 1490351 A GB1490351 A GB 1490351A GB 923874 A GB923874 A GB 923874A GB 923874 A GB923874 A GB 923874A GB 1490351 A GB1490351 A GB 1490351A
Authority
GB
United Kingdom
Prior art keywords
plough
mineral
cutting
feb
edges
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
GB923874A
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.)
ENERGY SEC OF STATE FOR
Original Assignee
ENERGY SEC OF STATE FOR
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 ENERGY SEC OF STATE FOR filed Critical ENERGY SEC OF STATE FOR
Priority to GB923874A priority Critical patent/GB1490351A/en
Priority to DE19752508584 priority patent/DE2508584A1/en
Priority to BE153847A priority patent/BE826097A/en
Priority to FR7506416A priority patent/FR2262729A1/fr
Publication of GB1490351A publication Critical patent/GB1490351A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1066—Making by using boring or cutting machines with fluid jets

Abstract

1490351 Mineral-mining ploughs ENERGY SECRETARY OF STATE FOR 26 Feb 1975 [28 Feb 1974] 9238/74 Heading E1F In a mineral-mining plough having one or more cutting blades there is formed in the or at least some of the blades adjacent the cutting edge or edges thereof one or more nozzles through which are ejected by means associated with the plough -high velocity pulses of liquid for cutting or eroding away mineral ahead of the cutting edge or edges of the plough. The means for creating the pulses of liquid may be a one or two stage fluid intensifier system functioning in the manner as described in Specification 1488797, which is referred to.
GB923874A 1974-02-28 1974-02-28 Excavating equipment Expired GB1490351A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB923874A GB1490351A (en) 1974-02-28 1974-02-28 Excavating equipment
DE19752508584 DE2508584A1 (en) 1974-02-28 1975-02-27 SHEAR DEVICE
BE153847A BE826097A (en) 1974-02-28 1975-02-27 IMPROVEMENTS TO HAVING EQUIPMENT
FR7506416A FR2262729A1 (en) 1974-02-28 1975-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB923874A GB1490351A (en) 1974-02-28 1974-02-28 Excavating equipment

Publications (1)

Publication Number Publication Date
GB1490351A true GB1490351A (en) 1977-11-02

Family

ID=9868069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB923874A Expired GB1490351A (en) 1974-02-28 1974-02-28 Excavating equipment

Country Status (4)

Country Link
BE (1) BE826097A (en)
DE (1) DE2508584A1 (en)
FR (1) FR2262729A1 (en)
GB (1) GB1490351A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125850A (en) * 1982-07-03 1984-03-14 Hoverdale Engineering Limited Cutting mineral faces and the like
AU2019449030B2 (en) * 2019-06-05 2022-02-03 China University Of Mining And Technology, Beijing Mining machine applicable to fluidized mining of ore bodies and mining method

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2713781C3 (en) * 1977-03-29 1983-02-24 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Process and device for the combined hydraulic-mechanical underground extraction of mainly hard mineral raw materials
DE2749830C2 (en) * 1977-11-08 1985-10-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Planing chisel
DE2751790C2 (en) * 1977-11-19 1986-01-23 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Device for pre-cutting a hanging and / or lying slot in the combined mechanical and hydraulic extraction of coal and the like.
DE2813142C3 (en) * 1978-03-25 1986-07-31 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Combined cutting tool for cutting minerals in contact with a mining work surface
DE2813143C3 (en) * 1978-03-25 1980-12-04 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Device for driving and expanding an underground route
FR2458672A1 (en) * 1979-06-06 1981-01-02 Gewerk Eisenhuette Westfalia Hydraulic mining machine water supply system - has water and electricity supply rails along face conveyor for high pressure pump
DE3236994C1 (en) * 1982-10-06 1984-01-19 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Slitting device for coal mining in steeply inclined and edge stratification

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125850A (en) * 1982-07-03 1984-03-14 Hoverdale Engineering Limited Cutting mineral faces and the like
AU2019449030B2 (en) * 2019-06-05 2022-02-03 China University Of Mining And Technology, Beijing Mining machine applicable to fluidized mining of ore bodies and mining method
US11261732B2 (en) 2019-06-05 2022-03-01 China University Of Mining And Technology, Beijing Mining machine applicable to fluidized mining of ore bodies and mining method

Also Published As

Publication number Publication date
DE2508584A1 (en) 1975-09-04
BE826097A (en) 1975-06-16
FR2262729A1 (en) 1975-09-26

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Legal Events

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