Thin flexible metal squeegee blade for rotary screen printer
AssigneeStork Amsterdam B.V.
InventorJacobus Gerardus Vertegaal
Life of this patent
Estimating the term…
Abstract
A rotary screen printing machine of the type including at least one cylindrical stencil is provided with a squeegee blade for each stencil to force a printing paint or paste through apertures in the stencil onto a textile web or sheet of paper. The squeegee blade comprises a thin flexible resilient metal strip having a thickness less than 1% of the width of the portion of such strip protruding from its holder. One edge of the squeegee blade is attached to a squeegee holder and the other or trailing edge of the blade contacts the inner face of the stencil. A covering layer of a synthetic plastic may be provided on the surface of the blade directed toward the inner face of the stencil.
Claims10
A squeegee blade for a rotary printing machine and comprising a thin flexible resilient metal strip having an edge thereof attached to a squeegee holder within a cylindrical screen stencil of the rotary printing machine such that a portion thereof freely protrudes from the holder, said blade having a transverse trailing edge for contacting the inner surface of a stencil in the region of the zone of the stencil contacting the material to be printed, said blade having a thickness of less than 1.0% of the width of its freely protruding portion, said blade being flexible through an angle ranging from 90.degree. to 3.degree. with respect to the inner surface of the stencil to vary selectively the quantity of printing fluid pressed through the stencil by the blade trailing edge.
Dependencies are inferred from the claim text.