Patent ID: 7140163

Claim:
An apparatus comprising: a machine frame defining a work station; means for passing a lower foil formed with a plurality of upwardly open filled pockets through the station in a horizontal transport direction at a generally constant transport speed; a support table holding an upper tool immediately above the foil in the station; a parallelogrammatic linkage having at least one upper pivot on the support table, at least one lower pivot on the machine frame, and at least one link pivoted on the upper and lower pivot; table drive means mounted on the frame and including a crank connected to the link for oscillating the link about the lower pivot and thereby reciprocating the support table generally in the transport direction; a lower tool; guides on the support table, slidably carrying the lower tool, and constraining the lower tool only to vertical movement relative to the support table; and tool drive means mounted on the frame and including another crank connected to the lower tool for reciprocating the lower tool vertically relative to the support table.