METHOD AND APPARATUS FOR CONTINUOUS PRODUCTION OF PLASTIC CORRUGATED SHEET Russian patent published in 1997 - IPC

Abstract RU 2086413 C1

FIELD: manufacture of plastic corrugated sheets. SUBSTANCE: method involves extruding and covering sheet material at both sides with protective films by applying them onto heated extruded material; squeezing in space between ironing calender rolls. Gaging, corrugation, cooling and pulling are carried out by means of system of continuously movable temperature-controlled pipes. Apparatus has temperature-controlling system for forming members, mechanism for fixing and regulation of space between endless chains and ironing calander to provide for joining of extruded sheet material and protective films. Ironing calander is positioned between forming members in the course of advancement of material. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 cl, 3 dwg

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RU 2 086 413 C1

Authors

Vasil'Ev I.M.

Dates

1997-08-10Published

1994-09-28Filed