B - Operations – Transporting – 41 – D
Patent
B - Operations, Transporting
41
D
18/1054, 18/902
B41D 7/00 (2006.01) B41C 3/06 (2006.01)
Patent
CA 1070467
THERMOPLASTIC DUPLICATION PLATE MANUFACTURING APPARATUS Abstract of the Disclosure An apparatus for manufacturing thermoplastic duplica- tion plates having a relief image thereon from thermoplastic resin sheets. To this end, the apparatus includes a cylinder heated to a predetermined temperature onto the surface of which a sheet is fed and by which the resin sheet is, while clinging thereto, transported towards a transcription clearance. A movable platen supported for movement between a standby position and an operated position cooperates with the hollow cylinder to define the transcription clearance and supports a matrix having a relief pattern thereon. During the transportation of the thermoplastic resin sheet towards the transcription clearance, it becomes substantially semi-fluidized so that, as the sheet engages the matrix in the transcription clearance, the thermo- plastic resin penetrates deep into the indentations in the matrix forming the relief pattern, thereby producing a thermo- plastic duplication plate, when the resin sheet cools. This apparatus has the advantage that the matrix is not curved so that the relief image transferred to the thermoplastic sheet is not distorted.
255899
Aisu Nobuo
Morino Ikuo
Na
Nippon Paint Co.
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