ROLLER FOR SCRAPING HAIR ON THE SURFACE OF FELT SEMI-FINISHED PRODUCTS AND A DEVICE FOR SCRAPING HAIR ON THE SURFACE OF FELT SEMI-FINISHED PRODUCTS EQUIPPED WITH THIS ROLLER

摘要

The invention relates to a roller (1) for scraping hair on the surface of felt semi-finished products, which contains a basic cylindrical body (10),whereby lamellas (20) are mounted on the outer circumference of the basic cylindrical body (10) inclined to or perpendicular to its surface, parallel with its axis or obliquely to it, the lamellas (20) being on their outer side provided with scraping teeth (22) with heads (23), whereby the heads (23) of the scraping teeth (22) of each lamella (20) are shifted in the direction of the axis (11) of the basic cylindrical body (10) to the space between the heads (23) of the scraping teeth (22) of adjacent lamellas (20), and the heads (23) of mutually closest scraping teeth (22) of each group of three lamellas (20) following one another are arranged outside a helix.