Patent ID: 6467407
Filing Date: 2002-10-22
Classification: B41L

Abstract:
A stencil printing machine comprising:a printing drum in a cylindrical shape having a peripheral wall having an ink-permeable perforated portion and an ink-nonpermeable nonperforated portion around the ink-permeable perforated portion to have a perforated stencil sheet on an outer peripheral face of the peripheral wall, said nonperforated portion having a thickness greater than that of the perforated portion and projecting inwardly from an inner peripheral face of the perforated portion, said printing drum rotating around a central axis line thereof; ink supplying means provided inside the printing drum for supplying ink onto the inner peripheral face of the peripheral wall; an inner roller provided inside the printing drum in parallel with the printing drum and having an inner portion contacting the perforated portion and an outer portion contacting the nonperforated portion, said outer portion providing a contact pressure with the nonperforated portion greater than that of the inner portion with the perforated portion when printing; and an outer roller provided outside the printing drum in parallel with the printing drum and brought into contact with the outer peripheral face of the peripheral wall.