US1785416A - Box partitioning - Google Patents

Description

` 25 hereinafter referred to, the invention con- Patented Dec. 16, 1930 UNITED STATES PATENT OFFICE LEON E. LA BOMBARD, or WALTHAM, AND MELvIN H. SIDEBOTHAM, OE WEST NEW'- TON, MASSACHUSETTS, ASSIGNOES To SPECIALTY AUTOMATIC MACHINE COMPANY, E CHELSEA, MASSACHUSETTS, A CORPORATION 0E AIVIASSACHUSETTS Box PARTITIONING Application led December 2,- 1929. ASerial No. 411,030.

This invention relates to partitions of the folding or collapsible type adapted to be so opened or set up and placed Vin boxes as to form substantially square cells or pockets for receiving fragile articles such as eggs, or other articles. Partitions of this type are usually made of pasteboard in the form of strips'pa'rtially slotted or slitted transversely toenable the Stripsto cross each other and be interengaged.

While the material of which paper box partitioning'is made is'of a quite inexpensive grade, yet when the production runs up into the millions the cost is' considerable. For this reason the principal object of our present invention is to vreduce the amount of material required to make the Strips.

Another object of the invention is to provide 4box partitioning which is attractive in designtso that when a packed box is opened the presence of the partitioning will add to,

rath-er than detract from, the display of eggs or other articles in the cells or pockets. With the above objects in view, and others sists in the partitioning substantially as hereinafter described and claimed.

Ofthe accompanying drawings I: w Figures land 2 are elevations of the two lengths of strips employed for makin a partition'ing unit of the kind illustrated y Figure 3.

Figure 3 is a perspective view of a complete unit ready for insertion in the long formof box commonly employed.

Similar reference characters indicate similar parts or features in all of the views.

'- Each strip a, or `b has a Iseries-of concavities in one edge and a series of convexities in its opposite edge. The edgeof each concavity is straight'at its mid-length as-'illustrated at c, and at both ends of the straight portion is ogee-shaped, as at 0. The edge ofeach convexity is straight at its mid-length as .illustrated at d and at both ends of the straightA portion is ogee-shaped, as at d.'

Alternatingwith the convexities d d. vare notches the portions e` of which have divergwidth of the strip. The spaces between the edges e are narrow, substantially equalling the thickness of the material of which't'he the opp-osite edges of the strips are the result of cutting or dieing out those portions of the vstrips which have the recesses e.

All of the strips are 4alike 4except as to length, and when assembled as illustrated by and the recesses which alternate with the oonstrips are made. The shallow notches f in v vexiti'es a7.,- result in the edges of the Strips having a somewhat scalloped appearance which, as shown by Figure 3, is quite attrace tive. This matter of appearance however is not the chief advantage of the form or structure of the strips. V

In themanufacture of the strips they are so cut or died outvthat the straightl and ogee-shaped edges c, c', correspon-.d with the straight and ogee-shaped edges d, d. When a sheet or web of material is being Idivided to form the strips, the line of cut which forms the edges c, c', of one strip forms,

at thevsame time,the edges d, d', of the next strip. Thereis veryI little waste. In practice we find that a saving is effected of approximately 17 percent of the material, overnwhat is required when Strips are formed with one edge str'aight as fin lLetters Patent No.

- 1,534,006 granted to ns April 14, 1925.

When the strips are assembled to form partitlonlng units such as illustrated by Figlure 3, the notches e, .e, of the strips interengage, -Such assembling is facilitated by the Haring notches e the diverging side edges ofwhich guide the members 'which are pushed .thereinto.' When `the crossing members are pushed to final assembled position, the straight spaced- 'edges e of each notch receive between them an uncut portion of a crosslng strip. t g

Each strip has straighted'ge portions alternating with recesses, said straight portions providing'for4 lirm, steady, bearing on the bottom of the box in which a unit is lolil cated. And this is true whichever way a unit or collection of strips is inserted in a box. This is because every strip,whether a longitudinal one or atransverse one, has a series of.straigl1t-edge portions d along one edge, and another series of shorter straightedge portions which are interrupted by the small notches f long its opposite edge. Such multiplicity of straight bearing edgesprevents the existence of any curved vbearing edges which are so flexible as to be subject to lateral bending. And yet the strips have such concavities and convexities as to c'ect a very material saving in the cost of production. And furthermore, since the notches e, e extend in from the bottoms of concave edge portions, their presence can not have any weakening effect on the opposite edge convexities which bear on the bottom of a box.

The result of this structure is that when thecrossed strips are assembled and pushed to the bottom of a box, the pressure caused by the downward movement of the frictionally inter-engaged notches e, e is transmitted to convex portions of the strips. And

since the edges of said convex portions are so shaped as to present elongated bearings on the bottom4 ot the box, there is little or no tendency of said convex portions to bend or curl up ldue to contact with the bottom of the box.

Having now described our invention, we claim: Y

.-1. Box partitioning comprising twosets of strips crossing each` other, both edges of each strip presenting alternating convexities and concavities, the convex portions of one edgev being opposite 4the concave portlons of.

' the otheredge, and one edge of each strip having notches alternating with its convexities,the` middle portions of the convexities and concavities presenting straight edge portions, there beingonly one straight projecting edge of substantial length on each strip for each pocket whereby an elongated bear- -ing foot is provided.

2. Box partitioning, comprising two sets ofstrips crossing each other, both edges of each strip presenting alternating convexities and concavitiesthe convex portions of one edge being opposite the concave portions of the other edge, and one Vedge of each strip having notches alternating with its convexities, themiddle portions of the convexities and concavities presenting straight edge portions, there being only one straight project-` ing edge osubstantial length on each strip for each pocket whereby an elongated bearing foot is provided the edge portions which connect the convexities and concavities being ogee-shaped.

In .testimony whereof we have affixed our signatures.

LEON E. LA BOMBARD. MELVIN H. SIDEBOTHAM.

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