B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 1/26 (2006.01) B65B 7/18 (2006.01) B65B 51/22 (2006.01)
Patent
CA 2095175
Abstract An Apparatus for Folding In the Bottom of a Cardboard Pack A description is given of an apparatus for folding in the front face of a pack (1, 1') made of cardboard coated with plastics material, the front face of whichpack is quadrangular in the plan view in the folded in condition and has a transverse sealing seam (5) which can be folded over, having a fold member (b) and a companion fold member (a), which are both driven movably along specific paths of movement by at least one lever mechanism (8-13), and amongst which a conveyer is arranged at a spacing away in the Y-extent, which conveyer moves thepacks (1, 1') in the X-extent, wherein the Y-axis is vertical to the X-axis and the zero point of the axes (X, Y) is disposed in the end fold position of the two fold members (a, b). So that the bottom of a pack can be folded in in one single step without any sub- division into pre-folding and re-folding steps, and so that no component parts of the machine engage in the pack, preferably not even over the open pack, it is provided that a Y-Z-plane extending in the Z-extent is disposed in the Y-axisand is intersected vertically by the X-axis, that the paths of movement of both fold members (a, b) extend symmetrically to each other relative to the Y-Z-plane, wherein the paths of movement in the X-Y-plane is described as a superposing of a translatory movement and a rotational movement of the respective fold member. that each fold member (a,b) is secured to a connecting lever (12) which is driven in a controlled manner, that arranged symmetrically to the zero point of the twoaxes (X, Y) is a centering device for the pack, and that the space for the folding in device is free of structural components above the centering device. Figure 1
Shapiro Cohen
Tetra Laval Holdings & Finance S.a.
LandOfFree
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