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1. US6120649 - Blade holder

Office
United States of America
Application Number 09091523
Application Date 19.06.1998
Publication Number 6120649
Publication Date 19.09.2000
Grant Number 6120649
Grant Date 19.09.2000
Publication Kind A
IPC
D21G 3/00
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
3Doctors
CPC
D21G 3/005
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
3Doctors
005Doctor knifes
Applicants BTG Kalle Inventing AB
Inventors Eriksson Tore
Agents Burns, Doane, Swecker & Mathis, L.L.P.
Priority Data 9600077 09.01.1996 SE
Title
(EN) Blade holder
Abstract
(EN)

Blade holder for creping of a web travelling on a rotating cylinder (2) or for doctoring the surface of the cylinder, comprising a blade (3) directed opposite to the travelling direction of the cylinder (2), a blade carrier (41) for the blade, further comprising a pressure ledge (13) extending along the whole length of the blade and arranged to exert a pressure at or adjacent to the upper longitudinal edge of the blade (3) via pivotable pressure arms (15) evenly distributed along the length of the ledge and arranged on the blade carrier (41) to bring said edge to engagement against the cylinder (2). Each pressure arm (15) is arranged to be individually actuated by a pressure means having a double folded membrane (35) for actuation of the pressure arm (15) by means of a pressure medium.