Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Patent
1992-03-25
1993-11-02
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
229 23R, 229907, B65D 542, B65D 4302
Patent
active
052577341
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention relates to waste paper bins.
BACKGROUND OF THE INVENTION
Waste paper bins are very widely used as receptacles for receiving paper and other waste which is thrown away, for example during the course of office work or at exhibitions or other public gatherings. The quantity of waste paper which is thrown away under particular conditions can be considerable, particularly under conditions in which a large quantity of computer printout is produced. Most existing waste paper bins are not capable of accommodating such large quantities of waste paper, and, as a result, offices, exhibition sites and the like can become littered with paper overflowing from such bins.
SUMMARY OF THE INVENTION
It is an object of the invention to provide a novel waste paper bin which can easily be produced at low cost and so as to have a large capacity for waste paper, and which can moreover be decorated with an eye-catching motif, if required.
According to the present invention there is provided a waste paper bin comprising a base having side walls formed from a sheet of flexible material by folding and a bottom wall having sides which engage the insides of the side walls, characterised by a removable lid also formed from a sheet of flexible material and having a top formed with a cut out through which waste paper may be introduced into the bin and sides in overlapping relationship with the side walls of the base.
Such a bin is advantageously formed from an inexpensive sheet material, such as cardboard, so as to be semi-disposable, that is so that the bin may be replaced by a fresh bin when it becomes worn, without requiring substantial expenditure. This renders the bin particularly suitable for use at temporary exhibitions. In addition, a decorative pattern or motif may be applied to the sheet material so as to give the bin an attractive or eye-catching appearance. It is envisaged that, in certain applications, the pattern or design applied to the bin may have a promotional purpose.
BRIEF DESCRIPTION OF THE DRAWINGS
In order that the invention may be more fully understood, a preferred form of waste paper bin in accordance with the invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of the bin;
FIGS. 2 and 3 are respectively top and bottom views of the bin; and
FIGS. 4 and 5 show cardboard sheets from which the lid and the bottom wall of the bin are formed.
DETAILED DESCRIPTION OF THE INVENTION
Referring to FIG. 1, the bin comprises a base 2 and a removable lid 3, the base 2 having a bottom wall 4 (see FIG. 3). The base 2 has eight side walls 5 formed from a single rectangular cardboard sheet by folding along parallel lines 6 and bonding the opposite edges of the sheet together by applying adhesive along an overlap 7. Two hand holds 8 are formed in opposite side walls 5 by cutting substantially U-shaped slits 9 and folding under the cardboard within the slits 9.
The removable lid 3 is formed with a circular cut out 10 and has side walls 11 which overlap the side walls 5 of the base 2 when the lid 3 is fitted on the base 2. The side walls 11 of the lid 3 are formed by cutting and folding in a manner which will now be described with reference to FIG. 4.
Referring to FIG. 4, the lid 3 is formed from a substantially square cardboard sheet with a circular cut out 10 by forming eight slits 12 and eight triangular cut outs 13 as shown, and by first folding inward the four intermediate sheet portions 14 along their fold lines 15 until the portions 14 are substantially upright at right angles to the remainder of the sheet. Two extensions 16 and 17 at opposite sides of the portion 14 are then folded slightly inwards along the fold lines 18 and 19. Next the four intermediate sheet portions 20 are folded inwardly along their fold lines 21 so that they lie adjacent the extensions 16 and 17 of the adjacent portions 14, and the tabs 22 of the sheet portions 20 are folded inwardly along their fold lines 23 and over the
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