B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/32.14
B65B 13/18 (2006.01) B29C 65/20 (2006.01) B65B 13/32 (2006.01)
Patent
CA 1161742
ABSTRACT OF THE DISCLOSURE In an apparatus for girding packages with endless syn- thetic-resin strips, an assembly for bonding the ends of a web segment to one another comprises a press in the form of a fixed surface and a spring-loaded press bar shiftably mounted in a rotat- ing truncated drum along a diameter thereof. An outer tangential- ly extending surface of the bar has a rotation path interrupted by the fixed surface. The drum also carries a blade forming one side of a wedge-shaped channel for guiding a trailing web-segment end during a bonding phase of an operating cycle. Upon the begin- ning of the bonding phase a leading web portion surrounds the package and traverses the drum channel. The rotation of the drum causes the press bar to clamp the web to the fixed surface, whereupon the blade cuts the web and produces a web segment having a trailing end. A heating mandrel pivoted into a wedge-shaped space between a leading web-segment end and the fixed surface on one side and the trailing web-segment end and the press bar on the other side slips over a surface of the trailing web-segment end, while being pushed towards a rest position by the rotation press bar. The press bar squeezes the heated segment end to the other end in a sweeping motion.
380512
Berning & Sohne Gmbh & Co.
Borden Ladner Gervais Llp
LandOfFree
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