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Autoroll Machine Company, LLC

Autoroll Machine Corporation

Michael E Bissel

William M Karlyn

David A Scher

Robert E Wesinger

Benjamin S Adner

Ian Bedford

Alec J Gronberg

A pad printing machine is arranged for enabling the transfer and application of multiple layers of ink from an ink source both into and onto an ink receiving member. The pad printing machine comprises a depth enhanced ink well (about 0.0015 to about 0.0035 inches deep) for peripherally enclosing an absorbable pattern of ink, a vertically and horizontally displaceable temperature controlled ink transfer print pad, and a temperature controlled printable item support print fixture for supporting an ink receiving printable item member, to enable multiple layers of ink to be simultaneously transferred after pickup by the print pad as one layer, and inversely and simultaneously applied as multiple layers into and onto the ink receiving printable item member on the support print fixture.

Thermally controlled pad print ink transfer arrangement

An apparatus and process for the manufacture of silk-screens is provided for use in the printing of halftones, e.g. in a four color printing process. The angle at which the mesh of a silk-screen should be relative to the screen frame to eliminate or at least minimize or localize moire' is predetermined for each of the color film separations. This angle is then carried to stretching apparatus for the woven fabric from which the silk-screens are to be made. The stretching appararatus has a table that is provided with a plurality of rotatable members. A screen frame is placed on each of the rotatable members and the rotable member is rotated to the angle determined by the pre-registration apparatus. The fabric is stretched to the desired tension and the screen frames having been provided at the desired angles are adhered to the stretched fabric, resulting in the mesh in each silk-screen being at the correct angle with respect to the screen frame.

Process for the preparation of silk-screens for use in printing half

Process and apparatus for simultaneously preparing a plurality of silk

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Beverly, MA, United States of America

Michael E Bissel