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2 233 930

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(51)

IPC

(21) (22)

Application

2003123529/12, 2003-07-29

(24)

Start date

2003-07-29

(22)

Actual filing date

2003-07-29

(45)

Published

2004-08-10

(72)

Inventor

Gomzjakov S.A.Pogodin S.P.Samozhenkov V.M.Sotnikov A.A.Khramov V.A.Manvelova N.E.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

PAPER FOR CORRUGATION AND CONTAINER USING THE SAME Russian patent published in 2004 - IPC

Abstract RU 2233930 C1

FIELD: pulp-and-paper industry, in particular, production of paper and containers from said paper.

SUBSTANCE: paper is made from fibrous material including paper wastes, high-yield semi-finished product, and coat applied in gluing press. Paper includes chemical-thermomechanical pulp used as high-yield semi-finished product and having milling extent of 40-50⁰ Schopper-Riegler. Said pulp is produced by double-staged chemical processing with sodium hydroxide solution and, simultaneously, steaming in screw-type apparatus. Said pulp contains waste paper with milling extent of 50-60⁰ Schopper-Reigler, said materials being used in predetermined ratio. Coat weight is 0.2-2.5 g/m². Containers using above paper are described.

EFFECT: increased rigidity and strength characteristics of paper for corrugation, optimal production costs of paper and containers.

3 cl, 1 tbl, 3 ex

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RU 2 233 930 C1

Authors

Gomzjakov S.A.

Pogodin S.P.

Samozhenkov V.M.

Sotnikov A.A.

Khramov V.A.

Manvelova N.E.

Dates

2004-08-10—Published

2003-07-29—Filed