Shrink-wrapping method and apparatus

Details Shrink-wrapping method and apparatus Shrink-wrapping method and apparatus

B - Operations, Transporting

65

B

B65B 53/02 (2006.01) B65B 9/06 (2006.01) B65B 51/30 (2006.01) B65B 61/24 (2006.01)

Patent

CA 2064258

A thermal shrink film is continuously pulled out and is shaped into a tubular form. Individual items to be wrapped are fed into the tubular film sequentially and overlapping marginal portions of the tubular film extending lengthwise are sealed. The tubular film is sealed and cut along the transverse side of each of the items at the front end thereof and the tubular film is deformed inwardly by applying pressure thereto to decrease its content volume. Then the tubular film is sealed and cut along the transverse side of each item at its rear end to form an intermediate package. The film of the intermediate package is shrunk by heating to shrink-wrap the item.

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