SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTION

A sealing arrangement for shaft and tunnel construction. The elastic tension forces that arise when the sealing systems are pressed against each other by reducing the joint clearance, after the systems have been brought into contact with each other, are reduced or completely avoided relative to prio...

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Hauptverfasser:	HOEFT HEIKO, HENTSCHEL VOLKER
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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creator	HOEFT HEIKO HENTSCHEL VOLKER
description	A sealing arrangement for shaft and tunnel construction. The elastic tension forces that arise when the sealing systems are pressed against each other by reducing the joint clearance, after the systems have been brought into contact with each other, are reduced or completely avoided relative to prior art, and the required surface contact pressure is achieved by means of a self-sealing force effect of the media pressure. In order to achieve the force effect, the geometry of the sealing elements of the sealing system is designed such that the elements comprise pressure surfaces relative to a vacuum or atmosphere after contacting each other. A differential pressure acts on the pressure surfaces, resulting in the force ensuring the required surface contact pressure on the surface, by means of which the sealing elements contact one another at the contact plane.
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The elastic tension forces that arise when the sealing systems are pressed against each other by reducing the joint clearance, after the systems have been brought into contact with each other, are reduced or completely avoided relative to prior art, and the required surface contact pressure is achieved by means of a self-sealing force effect of the media pressure. In order to achieve the force effect, the geometry of the sealing elements of the sealing system is designed such that the elements comprise pressure surfaces relative to a vacuum or atmosphere after contacting each other. A differential pressure acts on the pressure surfaces, resulting in the force ensuring the required surface contact pressure on the surface, by means of which the sealing elements contact one another at the contact plane.</description><language>eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120517&DB=EPODOC&CC=US&NR=2012121338A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120517&DB=EPODOC&CC=US&NR=2012121338A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HOEFT HEIKO</creatorcontrib><creatorcontrib>HENTSCHEL VOLKER</creatorcontrib><title>SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTION</title><description>A sealing arrangement for shaft and tunnel construction. The elastic tension forces that arise when the sealing systems are pressed against each other by reducing the joint clearance, after the systems have been brought into contact with each other, are reduced or completely avoided relative to prior art, and the required surface contact pressure is achieved by means of a self-sealing force effect of the media pressure. In order to achieve the force effect, the geometry of the sealing elements of the sealing system is designed such that the elements comprise pressure surfaces relative to a vacuum or atmosphere after contacting each other. A differential pressure acts on the pressure surfaces, resulting in the force ensuring the required surface contact pressure on the surface, by means of which the sealing elements contact one another at the contact plane.</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDANdnX08fRzV3AMCnL0c3f1dfULUXDzD1II9nB0C1Fw9HNRCAn183P1UXD29wsOCQp1DvH09-NhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGhkZAaGxs4WhoTJwqAJS8KKY</recordid><startdate>20120517</startdate><enddate>20120517</enddate><creator>HOEFT HEIKO</creator><creator>HENTSCHEL VOLKER</creator><scope>EVB</scope></search><sort><creationdate>20120517</creationdate><title>SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTION</title><author>HOEFT HEIKO ; HENTSCHEL VOLKER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2012121338A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>HOEFT HEIKO</creatorcontrib><creatorcontrib>HENTSCHEL VOLKER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HOEFT HEIKO</au><au>HENTSCHEL VOLKER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTION</title><date>2012-05-17</date><risdate>2012</risdate><abstract>A sealing arrangement for shaft and tunnel construction. The elastic tension forces that arise when the sealing systems are pressed against each other by reducing the joint clearance, after the systems have been brought into contact with each other, are reduced or completely avoided relative to prior art, and the required surface contact pressure is achieved by means of a self-sealing force effect of the media pressure. In order to achieve the force effect, the geometry of the sealing elements of the sealing system is designed such that the elements comprise pressure surfaces relative to a vacuum or atmosphere after contacting each other. A differential pressure acts on the pressure surfaces, resulting in the force ensuring the required surface contact pressure on the surface, by means of which the sealing elements contact one another at the contact plane.</abstract><oa>free_for_read</oa></addata></record>
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subjects	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
title	SEALING ARRANGEMENT FOR SHAFT AND TUNNEL CONSTRUCTION
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