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2 061 711

(13)

C1

(51)

IPC

(21) (22)

Application

5035806/04, 1992-04-03

(22)

Actual filing date

1992-04-03

(45)

Published

1996-06-10

(72)

Inventor

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Promyshlenno-Finansovaja Gruppa Vnedrenija"

METHOD FOR RECLAIMING OF RUBBER Russian patent published in 1996 - IPC

Abstract RU 2061711 C1

FIELD: processing of used rubber, its reclaiming. SUBSTANCE: worn out rubber products are crushed by crusher of the BUZULUK type to obtain particles sizing 1.0-1.5 mm. Added to 100 g of crushed rubber is 10-20 g of synthetic piperylene rubber, mixed at 80-130 C for 10 min, and kept in thermal cabinet to let rubber swell. Then, it is passed through screw extruder. Crushed rubber is introduced into tread rubber compound. Rubber characteristics: tensile strength at 300 C 7.9-8.0 MPa; breaking strength 11.8-12.1 MPa; dynamic tensile endurance at 200 C 3205-3857 cycles. EFFECT: simplified rubber reclaiming process. 1 tbl

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RU 2 061 711 C1

Authors

Dates

1996-06-10—Published

1992-04-03—Filed

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