Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1981-07-20
1983-12-06
Ross, Herbert F.
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
229 44R, B65D 508, B65D 536
Patent
active
044188625
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The invention relates to a box for instance for storing powder and comprising six side walls, at least three of said side walls being extended to form a cover, and to a cut and stored blank therefor.
BACKGROUND ART
Hexagonal boxes are known, cf. for instance Danish patent specification No. 127,280 and U.S. Pat. No. 3,174,675. These known boxes are, however, provided with a higher number of panels at the ends, said panels having to be individually folded, whereby the opening and closing of the boxes are complicated. Furthermore, the high number of separated panels implies that leaks between the panels easily occur, which permits penetration of the content such as for instance powder, of the box.
DISCLOSURE OF INVENTION
The object of the invention is to provide a hexagonal box permitting a quick opening and closing, and whereby both the top and the bottom cover comprises a high tightness and rigidity in such a manner that the box may be employed for storing powdered material.
The hexagonal box according to the invention is characterised in that the top and/or the bottom cover comprises at least one panel, which at folding lines is connected with the end rims of three side walls and comprises a central main flap and two pairs of side flaps connected thereto through folding rims, said side flaps comprising two or three triangles connected through folding rims, whereby the main flap forms a central portion, which in the closed position extends to at least four corners and usually is substantially perpendicular to the side walls of the box, each pair of side flaps comprising an oblique triangular rigid portion extending from the main flap and abutting the side walls at a varying distance from the upper hexagonal rim of the box and furthermore forming an inner obtuse angle therewith, whereas the smaller triangular flap(s) in the closed position abut the side walls in question and--in case of the bottom cover--preferably all are connected to these side walls through folding lines, and whereby the main flap is connected to both adjacent side walls through folding lines.
In this manner the box may be closed quickly and simply by means of only one or optionally two panels. The connection between the panels and the side walls as well as the particular shaping of the triangle flaps permit a tight cover and simultaneously provide the box with a certain rigidity, as the oblique triangle flaps projecting inwards are slightly fixed between the main flap and the adjacent side walls. Furthermore, the oblique flaps keep the content away from the end rim of the adjacent side walls, whereby the tightness of the box is improved.
The said cover is particularly suited for forming a bottom, as the box may then be formed in a very simple manner by folding an oblong cut and scored blank comprising a top cover, three side walls located side by side, a rectangular bottom cover, and three additional side walls also located side by side, and optionally an additional top cover. The bottom of the box is produced by situating the side walls perpendicular to the rectangular panel of the bottom, whereafter the side walls are assembled to form a hexagonal cylinder by bending the two largest triangle flaps of the bottom into an oblique position in such a manner that the side walls merely abut each other. At the same time the four smallest triangle flaps thereby abut the adjacent side walls. At the end of the thus situated side walls, the top cover is present, which may subsequently be folded and closed downwards into the hexagonal cylinder.
According to a particularly preferred embodiment of the box according to the invention the cover comprises only one panel with one main flap and six triangular side flaps, two of said side flaps being isosceles and oblique, whereas the four remaining side flaps closely abut the adjacent longitudinal sides. Like the cover, the bottom comprises a main flap and six triangular side flaps shaped in the same manner as the corresponding portions of the cover, and whereby the bottom panel in b
REFERENCES:
patent: 1555054 (1925-09-01), Berkawitz
patent: 1623715 (1927-04-01), Berkowitz
patent: 1892715 (1933-01-01), Wellman
patent: 2019787 (1935-11-01), Leopold
patent: 2165906 (1939-07-01), Reich
patent: 3305079 (1967-02-01), Bowman
patent: 4094457 (1978-06-01), Spillson
Colgate-Palmolive Company
Grill Murray M.
Ross Herbert F.
Stemwedel John A.
Sylvester Herbert S.
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