Tensioning arrangement
A hydraulic nut 16 (Figure 2) or (bolt 70 Figure 5) has a body 17 including an annular recess 20 to define, with an annular piston body 28, a chamber 29. The piston terminates in annular metal webs 30, 31 which define seals capable of withstanding high temperatures for long periods between chamber p...
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| creator | PERCIVAL-SMITH, HARRY DAVID |
| description | A hydraulic nut 16 (Figure 2) or (bolt 70 Figure 5) has a body 17 including an annular recess 20 to define, with an annular piston body 28, a chamber 29. The piston terminates in annular metal webs 30, 31 which define seals capable of withstanding high temperatures for long periods between chamber pressurisations. A locking ring 32 carried by the piston abuts the end face 35 of nut body wall portion 24 to support a bolt tension induced by hydraulic pressure in the chamber when such pressure is reduced. The end 33 of the locking ring is recessed, as is the corresponding face portion 35 of the nut body, to ensure that if the body wall portion 24 is deflected outwardly by chamber pressure it is able to relax and slide inwardly over the ring surface, despite the axial load being transmitted when the chamber pressure is reduced. |
| format | Patent |
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The piston terminates in annular metal webs 30, 31 which define seals capable of withstanding high temperatures for long periods between chamber pressurisations. A locking ring 32 carried by the piston abuts the end face 35 of nut body wall portion 24 to support a bolt tension induced by hydraulic pressure in the chamber when such pressure is reduced. The end 33 of the locking ring is recessed, as is the corresponding face portion 35 of the nut body, to ensure that if the body wall portion 24 is deflected outwardly by chamber pressure it is able to relax and slide inwardly over the ring surface, despite the axial load being transmitted when the chamber pressure is reduced.</description><edition>5</edition><language>eng ; fre ; ger</language><subject>BLASTING ; COMBINED OPERATIONS ; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HAULING ; HEATING ; HOISTING ; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD ; LIFTING ; LIGHTING ; MACHINE TOOLS ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; OTHER WORKING OF METAL ; PERFORMING OPERATIONS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; UNIVERSAL MACHINE TOOLS ; WEAPONS</subject><creationdate>1994</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=19940810&DB=EPODOC&CC=EP&NR=0609924A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940810&DB=EPODOC&CC=EP&NR=0609924A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PERCIVAL-SMITH, HARRY DAVID</creatorcontrib><title>Tensioning arrangement</title><description>A hydraulic nut 16 (Figure 2) or (bolt 70 Figure 5) has a body 17 including an annular recess 20 to define, with an annular piston body 28, a chamber 29. The piston terminates in annular metal webs 30, 31 which define seals capable of withstanding high temperatures for long periods between chamber pressurisations. A locking ring 32 carried by the piston abuts the end face 35 of nut body wall portion 24 to support a bolt tension induced by hydraulic pressure in the chamber when such pressure is reduced. The end 33 of the locking ring is recessed, as is the corresponding face portion 35 of the nut body, to ensure that if the body wall portion 24 is deflected outwardly by chamber pressure it is able to relax and slide inwardly over the ring surface, despite the axial load being transmitted when the chamber pressure is reduced.</description><subject>BLASTING</subject><subject>COMBINED OPERATIONS</subject><subject>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HAULING</subject><subject>HEATING</subject><subject>HOISTING</subject><subject>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</subject><subject>LIFTING</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>OTHER WORKING OF METAL</subject><subject>PERFORMING OPERATIONS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>UNIVERSAL MACHINE TOOLS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBALSc0rzszPy8xLV0gsKkrMS0_NTc0r4WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BBmYGlpZGJo6GxkQoAQB-ySFz</recordid><startdate>19940810</startdate><enddate>19940810</enddate><creator>PERCIVAL-SMITH, HARRY DAVID</creator><scope>EVB</scope></search><sort><creationdate>19940810</creationdate><title>Tensioning arrangement</title><author>PERCIVAL-SMITH, HARRY DAVID</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0609924A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1994</creationdate><topic>BLASTING</topic><topic>COMBINED OPERATIONS</topic><topic>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HAULING</topic><topic>HEATING</topic><topic>HOISTING</topic><topic>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</topic><topic>LIFTING</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>OTHER WORKING OF METAL</topic><topic>PERFORMING OPERATIONS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>UNIVERSAL MACHINE TOOLS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>PERCIVAL-SMITH, HARRY DAVID</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PERCIVAL-SMITH, HARRY DAVID</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Tensioning arrangement</title><date>1994-08-10</date><risdate>1994</risdate><abstract>A hydraulic nut 16 (Figure 2) or (bolt 70 Figure 5) has a body 17 including an annular recess 20 to define, with an annular piston body 28, a chamber 29. The piston terminates in annular metal webs 30, 31 which define seals capable of withstanding high temperatures for long periods between chamber pressurisations. A locking ring 32 carried by the piston abuts the end face 35 of nut body wall portion 24 to support a bolt tension induced by hydraulic pressure in the chamber when such pressure is reduced. The end 33 of the locking ring is recessed, as is the corresponding face portion 35 of the nut body, to ensure that if the body wall portion 24 is deflected outwardly by chamber pressure it is able to relax and slide inwardly over the ring surface, despite the axial load being transmitted when the chamber pressure is reduced.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP0609924A1 |
| source | esp@cenet |
| subjects | BLASTING COMBINED OPERATIONS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS |
| title | Tensioning arrangement |
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