B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 75/24 (2006.01) B65B 13/02 (2006.01) B65B 13/18 (2006.01) B65D 63/10 (2006.01)
Patent
CA 2505178
The present invention relates to: a packaging strap coil and its production method, wherein the innermost strap end is securely fixed to prevent un-winding thereof and the strap can be smoothly drawn out to the innermost end for strap-packaging of an item; a packaging strap coil unit which prevents deformation of the strap coif and a packaging machine. The strap coil 11 comprises a number of layers of a resin packaging strap 11a wound helically and corelessly around a hollow 11b defining the axis of the strap coil 11. The strap 11a is made of a thermoplastic resin at least on its external surface. In the strap coil 11, a plurality of perforations 11d are pierced in the vicinity of an innermost end of the strap 11a through to a plurality of laminated layers. Each perforation 11d provides a melt-bonded area 11e along its periphery to bond the laminated layers of the strap 11a together.
Fujita Kuniaki
Kawamoto Izuru
Marutani Tetsuya
Oba Kazuyuki
Tajika Satoru
Ridout & Maybee Llp
Sekisui Jushi Kabushiki Kaisha
LandOfFree
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