1974-06-13
1976-06-29
Coan, James F.
93 37SP, B31B 146
Patent
active
039658040
ABSTRACT:
Container erection apparatus is provided which automatically erects a blank of cardboard or the like to form a container which can be changed from a transit state to a display state, even when containing its intended contents, by folding two parts of the container about a crease, the folding crease in a surface (the folding surface) thereof which is planar while the container is in the transit state so that the parts of said surface on either side of the crease come together. The apparatus erects the blank in such a manner that it leaves the apparatus in the display state, entirely ready for filling in a later piece of apparatus or manually. To this end, the apparatus is arranged to cause the said parts of the folding surface to pivot towards one another about the folding crease in such a manner that the crease moves upwardly and that end surface portions of the blank move inwardly towards one another and remain substantially horizontal during such movement. The partly-erected blank is then moved downwardly through a die to erect edge parts of said end surface portions to form end tray parts of the container.
REFERENCES:
patent: 2189105 (1940-02-01), Evans et al.
patent: 2848926 (1958-08-01), Gschwind et al.
patent: 2921506 (1960-01-01), Johnson
patent: 3359873 (1967-12-01), Carle et al.
patent: 3416653 (1968-12-01), Farquhar
patent: 3429236 (1969-02-01), Randles, Jr.
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