Leaf spring mounted reciprocating fin clamp for milk-carton-type container closing system

Abstract From the Canadian patent

In the manufacture of packing containers of the non-returnable type for e.g. milk the forming and closin of the ridge like top of the filled packing container represents the final phase in the manufacture. The top is provided with sealing panels which are intended jointly to form a top fin on the closed packing container. An arrangement for the processing of a packing container by means of compression and sealing of the top fin in accordance with the invention comprises two processing jaws which are movably suspended in leaf spiring elements and are movable symmetrically between an active position and a rest position.