Changing the web roll

BPERFORMING OPERATIONS TRANSPORTING B65Thin material handling B65HHANDLING THIN OR FILAMENTARY MATERIAL

B65H19/00Changing the web roll

B65H19/10in unwinding mechanisms or in connection with unwinding operations B65H19/102Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing B65H19/105Opening of web rolls; Removing damaged outer layers; Detecting the leading end of a closed web roll B65H19/107Processing the trailing end of the replaced web after splicing operation B65H19/12Lifting, transporting, or inserting the web roll Removing empty core B65H19/123with cantilever supporting arrangements B65H19/126with both-ends supporting arrangements B65H19/14Accumulating surplus web for advancing to machine while changing the web roll B65H19/18Attaching B65H19/1805Flying splicing B65H19/181taking place on the replacement roll B65H19/1815the replacement web being stationary prior to splicing contact B65H19/1821the replacement web being accelerated or running prior to splicing contact B65H19/1826taking place at a distance from the replacement roll B65H19/1831the replacement web being stationary prior to splicing contact B65H19/1836the replacement web being accelerated or running prior to splicing contact B65H19/1842standing splicing B65H19/1847taking place on the replacement roll B65H19/1852taking place at a distance from the replacement roll B65H19/1857Support arrangement of web rolls B65H19/1863with translatory or arcuated movement of the roll supports B65H19/1868The roll support being of the turret type B65H19/1873with two stationary roll supports carrying alternately the replacement and the expiring roll B65H19/1878with one stationary support for the rolls B65H19/1884Details for effecting a positive rotation of web roll B65H19/1889related to driving arrangements B65H19/1894the replacement web being accelerated through contact with the expiring web B65H19/20Cutting-off the expiring web B65H19/22in winding mechanisms or in connection with winding operations B65H19/2207the web roll being driven by a winding mechanism of the centre or core drive type B65H19/2215Turret-type with two roll supports B65H19/2223Turret-type with more than two roll supports B65H19/223with roll supports being independently displaceable along a common path B65H19/2238The web roll being driven by a winding mechanism of the nip or tangential drive type B65H19/2246and the roll being supported on two rollers B65H19/2253and the roll being displaced during the winding operation B65H19/2261Pope-roller B65H19/2269Cradle B65H19/2276The web roll being driven by a winding mechanism of the coreless type B65H19/2284Simultaneous winding at several stations B65H19/2292Removing cores or mandrels from web roll after winding B65H19/24Accumulating surplus delivered web while changing the web roll B65H19/26Cutting-off the web running to the wound web roll B65H19/262using a thin or filamentary material which is wound on the new roll B65H19/265using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the web B65H19/267by tearing or bursting B65H19/28Attaching the leading end of the web to the replacement web-roll core or spindle B65H19/283by applying adhesive to the core B65H19/286by applying adhesive to the web B65H19/29Securing the trailing end of the wound web to the web roll B65H19/30Lifting, transporting, or removing the web roll Inserting core B65H19/305Inserting core