OPENING METHOD AND OPENING APPARATUS FOR AGRICULTURAL FILM

摘要

PROBLEM TO BE SOLVED: To provide an opening method and opening apparatus capable of making a double one side opening agricultural film obtained by an inflation molding machine into one sheet agricultural film and shipping matter from the original sheet of a film. SOLUTION: The original sheet of a twofold one side opening agricultural film formed by pressing a sleeve-like film obtained by an inflation molding machine and being slitted along the folding line of one side is opened through the use of an opening device comprising two pieces of guide rolls or guide frames and undertaking driving rolls.