公开(公告)号：US3624353A

公开(公告)日：1971-11-30

申请号：US3624353D

申请日：1970-04-28

Applicant: TAMPELLA OY AB

Inventor： BJORKLUND NILS G H

IPC: F26B13/18 ,  H05B3/00 ,  H05B1/02

CPC classification number: H05B3/0095 ,  F26B13/183

Abstract: Drying cylinder for paper webs and equivalent having a rotatable cylindrical mantle, to the inside of which there have been attached several coaxially arranged annular heating elements. The heating elements are electrical resistances which are separately adjustable for achievement of desired temperature profile across the mantle surface of the drying cylinder.