METHOD AND DEVICE FOR SEALING TUBULAR PLASTIC PACKAGING, AND RESULTING PACKAGING

摘要

The invention relates to a method and device for sealing a tubular packaging made of a plastic material, said method including at least the following operations: a) a rolling operation, during which a rolled material (11) is rolled; b) an arranging operation, during which the ends (8, 9) of the rolled material (11) are placed near each other; c) an extruding operation, during which a molten resin cord (12) is extruded and deposited on said ends (8, 9); d) a fusing operation, during which said ends (8, 9) are melted by means of said cord (12); e) a compressing operation, during which the sealing area is compressed; and f) a cooling operation, during which the seal is cooled.