B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
156/2.15
B65H 81/02 (2006.01) B65B 11/04 (2006.01) B65B 53/02 (2006.01)
Patent
CA 1068209
WRAPPING PROCESS AND APPARATUS. Olov Erland Gustavsson, Kung?lv, Sweden. Claims priority, application Sweden, October 18, 1976. 7611564-1. ABSTRACT OF THE DISCLOSURE. In a process and apparatus for forming a multi-layer protective envelope around an object that is generally prismatic or cylindric in shape the object, while being rotated about a stationary, horizontal axis, is wrapped-around with a web of thin, heat- shrinkable and heat-sortenable plastic film having a width that exceeds the length of the object, successive portions of said web after having arrived at the periphery of the object and as the object rotates being exposed to a heating radiation while passing a zone extending along the full length of the object and also inwardly over portions of the end surfaces thereof. Layer after layer of said film will thereby shrink to tightly surround the object, including at least the radially outer marginal portions of the ends thereof, and also laminate together into a tough unitary casing. - 1 -
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