B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/11, 156/24
B65B 9/22 (2006.01) B65B 9/06 (2006.01) B65B 59/00 (2006.01)
Patent
CA 1291414
ABSTRACT FORM-FILL-SEAL MACHINE A forming shoulder for an HFFS machine comprises a pair of side wires 3a and 3b each comprising an upper limb 11 joined to a lower limb 14 at an elbow 12 and each supported near a respective end of a support bar 16. The width of the tube, defined by side walls where the tube passes inwardly of the two lower limbs 14 and by a floor (defined by the marginal portions of the film 10) and a ceiling (defined by the central portion 10a of the film spanning the gap between the two elbows 12), is adjustable by re-positioning of the side wires 3a and 3b on the support bar 16 and the height of the tube is adjustable by replacement of one pair of side wires by a different pair having an alternative geometry.
492010
Smart & Biggar
W.r. Grace & Co.,-Conn.
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