Progressive punch

Details Progressive punch Progressive punch

B - Operations, Transporting

65

B

B65B 13/18 (2006.01) B65B 13/30 (2006.01) B65B 13/32 (2006.01)

Patent

CA 2376537

A progressive punch is used in a strapping machine for positioning and sealing an associated strap material around a load. The punch is positioned in a jaw assembly that includes a movable punch support and a fixed punch support configured to receive the associated strap therebetween. The movable and fixed supports each include at least one punch having at least two punching heads. The punching heads each have a height that is defined by a distance between an outermost peripheral point of the punching head and a plane perpendicular to the direction of movement. The heights of the punching heads are different from one another so that the punching heads progressively engage the strap, with the punching heads initially engaging the strap material at a different times from one another.

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