Patent · US Active

Roll

US7914430B2 · kind B2 · utility

0Cited by

8References

17Claims

0Family size

Assignee

Metso Paper Inc. · FI

Inventors

Matti Pajala · Hong Kong, CN
Aaron Mannio · Amersfoort, NL

Key dates

Filing date	Oct 4, 2005
Grant date	Mar 29, 2011
Priority date	—
Expiry date	Aug 2, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C13/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A roll is supported at the middle thereof, for a paper, board or finishing machine is composed of two sections, a so-called inner shell (54′) and an outer shell (52′), supported by one another in the middle area of the roll (50′). The nominal stiffness of the manufacturing material of the inner shell (54′) of the roll is substantially greater than the nominal stiffness of the manufacturing material of the outer shell (52′) of the roll.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.