초록 ▼

The present invention forms and seals the top end of a container prior to filling and bottom sealing. The top end may have a fitment attached thereon at a variety of different positions on a form, fill and seal packaging machine. The fitment may be a screw cap, a push-in, a flip-cap type or similar

The present invention forms and seals the top end of a container prior to filling and bottom sealing. The top end may have a fitment attached thereon at a variety of different positions on a form, fill and seal packaging machine. The fitment may be a screw cap, a push-in, a flip-cap type or similar fitments. The container may be a flat top, tetrahedral or similar type container. The fitment may be applied on the exterior or the interior of the container.

대표청구항 ▼

[ I claim as my invention:] [1.] A packaging machine for fabricating a container, the container having a plurality of side panels, a top end defined by top panels and a bottom end defined by bottom panels, the packaging machine comprising:means for erecting a container blank to a partially-formed co

[ I claim as my invention:] [1.] A packaging machine for fabricating a container, the container having a plurality of side panels, a top end defined by top panels and a bottom end defined by bottom panels, the packaging machine comprising:means for erecting a container blank to a partially-formed container;at least one mandrel projecting outward from a mandrel wheel, the mandrel wheel rotating about a fixed axis; the mandrel having a body and a projection end, the projection end opposite an end of the mandrel attached to the mandrel wheel, the projection end having a predetermined contour, the mandrel disposed to receive a partially-formed container from the erecting means;a pusher for placing a partially-formed container on the mandrel with a bottom end of the partially-formed container near the mandrel wheel and the top end of the partially-formed container projecting from the mandrel;a folding device for folding the top panels of the partially-formed container to break a plurality of crease lines defining the top panels from the side panels of the partially-formed container, the folding device disposed along the rotation of the mandrel wheel;a heating device for heating the top panels of the partially-formed container, the heat device disposed subsequent to the folding device along the rotation of the mandrel wheel;a press for sealing each of the plurality of top panels to each adjacent top panel, the top end of the partially-formed container conforming to the predetermined contour of the projection end of the mandrel, the press disposed along the rotation of the mandrel wheel and capable of an oscillating motion toward and away from the projection end of the mandrel;means for applying a fitment to the partially-formed container; anda supply of fitments connected to the fitment application means.