Package making – Closing packages and filled receptacles – Package or receptacle having closure flap – e.g. – carton...
Patent
1992-12-07
1993-10-05
Culver, Horace M.
Package making
Closing packages and filled receptacles
Package or receptacle having closure flap, e.g., carton...
533776, 533872, B65B 726, B65B 5100
Patent
active
052494063
ABSTRACT:
This is apparatus for closing a box of the type having a hinged cover and flanges projecting from the edges of the cover and body opposite the hinged edges. The flanges have respectively a projection and a well aligned and constructed for the projection to snap into the well when the cover is closed and the flanges are pressed together. A conveyor belt carries the box from a first point along a path past a pair of spaced apart rotating rollers which are mounted edge to edge. A guide rail above the conveyor is positioned and curved to engage the outside of the box cover and swing it over onto the body of the box as the box is carried to the rollers. The rollers are located and spaced apart for the flanges on the cover and body of the box to pass through the bite of the rollers as the box is carried by. They are rotated in opposite directions for their surfaces at their bite to be moving in the same direction and at the same speed as the conveyor belt and they are spaced close enough together to press the flanges together sufficiently for the projection on one flange to be pressed into and locked in the well of the other flange as the flanges pass through the bite.
REFERENCES:
patent: 2842920 (1958-07-01), Carkhuff et al.
patent: 2998688 (1961-09-01), Randles, Jr.
patent: 3299615 (1967-01-01), Singer
patent: 3550352 (1970-12-01), Voorhis
patent: 4030272 (1977-06-01), Gundersen
patent: 4881356 (1989-11-01), Beezer et al.
Conant John K.
Culver Horace M.
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