Patent ID: 7677147
Filing Date: 2010-03-16
Classification: B26D,B65H,Y10S,Y10T

Abstract:
1. Device for separating paper trimmings from the cores of paper rolls or logs, having an inner core ( 13 , 113 ) around which paper ( 12 , 112 ) is wrapped, where said paper rolls or logs are fed one after the other, to said device which comprises a mandrel ( 20 , 120 ), which receives at least one trimming ( 14 ) or at least one log ( 114 ), and said mandrel has an outer diameter that is less than the inner diameter of an inner of an inner core ( 13 , 113 ) of said at least one trimming ( 14 ) or at least one log ( 114 ), said mandrel ( 20 , 120 ) having at least one axial recess ( 23 , 123 ), directed along the mandrel ( 20 , 120 ) above the at least one axial recess ( 23 , 123 ) there being positioned at least one rotating circular blade ( 24 , 124 ) which is adapted to cut both said paper ( 12 , 112 ) and said inner core ( 13 , 113 ) wherein said mandrel ( 20 ) has a first vertical portion ( 20 ′) and a second horizontal portion ( 20 ″) in which the separation of the core ( 13 ) from the paper ( 12 ) of the at least one trimming ( 14 ) is accomplished, and wherein said mandrel comprises, positioned upstream from said second horizontal portion ( 20 ″) of said mandrel ( 20 ), at least one transport element ( 15 ′, 15 ″) for said trimmings ( 14 ), directing means ( 17 ) to arrange said trimmings ( 14 ) one after the other along a single longitudinal axis ( 18 ) and means of removal and release ( 19 ) of a single trimming ( 14 , 14 ″) on said first vertical portion ( 20 ′).