Package making – Multiple bottle or can carrier type package – Wrap
Patent
1995-12-08
1997-08-05
Culver, Horace M.
Package making
Multiple bottle or can carrier type package
Wrap
53 488, B65B 2124, B65B 2704
Patent
active
056530846
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to carton packing apparatus.
SUMMARY OF THE INVENTION
According to a first aspect of the present invention there is an apparatus is provided for use with a machine for packing cartons, each carton being formed from a blank having a first panel hingedly connected at opposite edges to respective second panels. The apparatus includes distance between the guide members being such that the first panel of successive blanks is engaged between successive guide members in the region of the hinge lines between the second panels and said first panel.
Preferably said first panel is a side panel and said second panels are end panels, the side panel being hingedly attached to a top panel which in use of the apparatus is held against movement relative to the contents of the carton. A further preferred feature is that a second series of guide members is provided for a second side panel on the opposite side of the top panel.
According to a second aspect of the present invention there is provided, an apparatus for use with a machine for packing cartons, each carton being formed from a blank having a top panel hingedly connected at opposite edges to first and second side panels, each side panel being is connected to a base panel, which blank is wrapped around the contents of the carton and the base panels secured. A gusset arrangement is provided at each open end between each side panel and the top panel and/or the base panel, each gusset arrangement comprising a tuck panel hingedly connected to the side panel and to one or more gusset panels, which in turn is/are connected to the top panel and/or the base panel. The second aspect of the invention includes distance between the guide members being such that the first side panels of successive blanks are engaged between successive guide members whilst the top panel is held against movement relative to said contents, each side panel being engaged in the region of the hinge lines between the tuck panels and the first side panels, at least one guide member for each first side panel being associated with an engagement member which is movable relative to said one guide member so as to engage the tuck flap associated with said one guide member so as to urge the tuck flap towards a position lying adjacent the first side panel.
Preferably each guide member is adapted to constitute a rear guide for one side panel and a front guide for a following side panel and the engagement member engages the rearmost tuck flap associated with the side panel.
In a preferred arrangement said engagement member comprises a link member terminating in a foot, said link member being pivotally connected to said one guide member such that the foot can move forward of the guide member to engage the tuck flap. Said link member and the foot lie between said one guide member and the contents, adjacent said one guide member.
A further preferred feature is that the leading edge of the foot adjacent the guide member is chamfered.
Conveniently the link member has a pin which engages in a groove thereby determining the orientation of the pin relative to said one guide member throughout its path and the groove is shaped so as to project the foot once the side panel is engaged between the guide members.
In a preferred embodiment the foremost tuck flap associated with the side panel engages a stationary guide wall as the blank and contents advances along the packing line, said guide wall urging said foremost flap back towards a position lying against the side panel.
An additional feature is that a vertical rotating wheel is provided just outwardly of the path of the guide members, which wheel supports the side panel as the foremost tuck panel engages the stationary guide surface. Preferably the wheel has equispaced segments of its circumference removed corresponding to the locations of the guide members.
In preferred applications the apparatus comprises an identical arrangement for the second side panels.
An embodiment of the present invention will now be described
REFERENCES:
patent: 26851 (1860-04-01), Gentry
patent: 3295291 (1967-01-01), Wood
patent: 3701231 (1972-10-01), Standley
patent: 4285185 (1981-08-01), Collura et al.
patent: 4554778 (1985-11-01), Calvert
patent: 4612753 (1986-09-01), Taylor et al.
patent: 4970843 (1990-11-01), Louret et al.
Culver Horace M.
Riverwood International Corporation
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