MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202531037857 A) filed by Indian Jute Industries Research Association on April 20, 2025, for Automatic Fibre Opener Machine For Mechanical Extraction Of Natural Fibres..

Inventors include Shri Joyjit Mukherjee; Shri Buddhadeb Das; Dr. Amit Paul; and Dr. A K Sharma.

The application for the patent was published on October 23, 2026, under issue no. 43/2026.

Abstract: ABSTRACT TITLE: AUTOMATIC FIBRE OPENER MACHINE FOR MECHANICAL EXTRACTION OF NATURAL FIBRES. The present invention relates to a mechanical system for extracting natural fibres (Sunnhemp, Kenaf, Bamboo, etc.), as an automatic fibre extraction machine comprising at least three or multiple pairs of grooved rollers having reciprocating movement for enhanced fibrillation of fibre bundles through crushing and shearing, wherein selectively controlled forward and reverse movement of grooved rollers with profile cut plays an important role in fibrillation process where during forward movement the rollers apply compressive and tensile force to the treated fibre reed which helps in loosing the gummy materials sticking to the fibre reeds and during reverse motion, reeds are subjected to opposite shear force through multiple sets of rollers which open up the fibre reed and helps in fibrillation. in order to efficiently separate fibres from the woody non-cellulosic parts of chemically or enzymatically treated natural fibre reeds. (Figure 1)

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