Patent Analysis of High precision sensors for detecting a mechanical load of a mining tool of a tunnel boring machine Updated Time 12 June 2021 Patent Registration Data Publication Number US10151201 Application Number US15 302043 Application Date 02 April 2021 Publication Date
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Get PriceSW earthworm boring its way deep underground The United States Atomic Energy Commission and the United States Energy Research and Development Administration took out Patents in the 1970s for nuclear subterrenes The first patent in 1972 went to the Atomic Energy Commission
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Get PriceThis 1975 patent further specifies that the machine is intended to excavate tunnels up to 12 meters in diameter or more This means tunnels of 40 ft or more in diameter The kerf is the outside boundary of the tunnel wall that a boring machine gouges out as it bores through the ground or rock
Get PriceTitle of application Articulated boom dipper bucket assembly for a tunnel boring machine Applicant name Zokor Int Opponent name Davy Thornaby Board
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Get PriceSUBTERRENES THE SECRET NUCLEAR POWERED TUNNEL BORING MACHINE US PATENTS FOR IT DUM SUBTERRENES THE SECRET NUCLEAR POWERED TUNNEL BORING MACHINE US PATENTS FOR IT DUMBS & MORE If you re gonna fight fight like you re the third monkey on the ramp to Noah s Ark and brother its starting to rain
Get PriceMaking by using boring or cutting machines E21D 9 08 takes precedence; mining picks E21C 35 18 Definition statement This place covers Tunnel boring machines for which no driving shield is mentioned E21D 11 00 Lining tunnels galleries or other underground cavities large underground
Get PriceA tunnel boring machine for boring a tunnel through hard and soft grounds includes a front body a cutter head mounted to the front body and having a cutter for boring a hard round and a drive unit rotatably supporting the cutter head for driving the cutter head A main beam is operatively connected to the cutter head drive unit and extends rearward therefrom
Get PriceAbstract Tunnel boring machine comprising a number of swingable arms 11 12 13 14 provided with boring tools 41 42 43 44 for the working of the tunnel wall outside its normal diameter The arms may be swung outwardly into an active position or retracted into an inactive position These tools may be independently actuated and facilitate the
Get PriceUS7832960B2 tunnel boring machine Patents A tunnel boring machine is provided comprising a cutter head a main beam a first second and third shield; and a ground conditioning work zone within the first shield a gripper assembly a segment erector arm for lining the tunnel and at least one propulsion
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Get PriceLength Total tunnel length is seven kms with two TBM s Two terminal stations serve as a starting point for each tunnel boring machine One disassembly station and seven intermediate structures comprise the tunnel boring project The 7km long project is subdivided into three sections
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Get PriceTunnel boring machines TBMs could be the ultimate power tool They re monstrous weighing millions of pounds and exerting forces measured in thousands of tons and they can dig through some of the hardest rock on earth Plus most come with an entire railroad and train as ancillary equipment What
Get PriceTunnel boring machine Construction and Mining Technique AB Title Tunnel boring machine United States Patent 5228752 Abstract Tunnel boring machine whose driving shaft 4 adjacent to the boring head 6 is journalled in a bearing 12 which is intended to take up only radial forces Shaft 4 is at its other end journalled in
Get PriceFIELD mining SUBSTANCE method of boring hard rock by means of tunnel boring machine equipped with disks of hardened steel projecting from cutting head consists in supply of foamed water liquid to cutting head; this composition corresponds to surface active substance SAS and lubricating material polyethylene oxide with molecular wt from to
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Get PriceThe earliest form of the Tunnel Boring Machine was known as a Tunnelling Shield The idea first occurred to Marc Isambard Brunel a French naval officer in England in 1818 The ecosystems around us often influence great discoveries and this is no exception After observing a shipworm Brunel noticed how their shell plates allowed the worm to
Get PricePatents on Boring Machines Subterrene patent US3967463A Continuous tunnel boring machine and method US7832960B2 All conditions tunnel boring machine US3830545A Shield tunneling
Get PriceThe Boring Company TBC unleashed its new tunnel boring machine TBM named Prufrock in Las Vegas recently Prufrock may help Elon Musk s tunneling company build
Get PriceA tunnel boring machine TBM created the twin tube portion using the technique of pressure balanced mining Construction officially broke ground in 2021 During project planning Metro performed a building and utility protection assessment which determined several buildings were at risk from the planned tunnelling activity
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