NONWOVEN FABRIC MANUFACTURE METHOD Russian patent published in 1997 - IPC

Abstract RU 2073756 C1

FIELD: light industry, in particular, manufacture of nonwoven protective and isolating materials for irrigation and drainage construction systems. SUBSTANCE: method involves preparing basic material; mixing, oiling, shredding, combing; forming fabric and securing it by needle piercing to form nonwoven material. Method allows density and breaking strength of nonwoven fabric to be increased by 1.5-2 times. Operating mode and parameters of process are recited in Specification. EFFECT: improved quality of nonwoven fabric by increased density and breaking strength. 1 dwg, 1 tbl

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RU 2 073 756 C1

Authors

Levykina Anna Mikhajlovna

Maslova Tamara Dmitrievna

Dates

1997-02-20—Published

1994-07-13—Filed