DE396693C - Nailless transport box - Google Patents

Description

Nailless transport box. The invention aims to provide a nailless transport box, which can be mass-produced in a simple and short way Time, that is to say with the least amount of work and time invested. The side walls and the bottom of the box should be immovably connected to one another and at the same time be protected against external damage. Furthermore, with the same Fastening boxes of various sizes can be made.

The purpose of the invention is achieved by a further embodiment and improvement of the well-known nailless transport boxes, the side walls of which are in Eckpfostc n are inserted with sheet metal channels standing at right angles to one another. The improvement is that the corner posts 1 consist of a main corner angle, in the case of the U-shaped folding of a strip adjoining the longer leg two butt butted U-shaped grooves are formed, the side surfaces of which at their free longitudinal edges with angular bends in grooves in the side walls intervention.

In the drawing, embodiments of the new box are for example illustrated. Figs. I to 8 leave the formation for one embodiment and finally recognize and show the final shape of the left rear corner pillar Fig. I the punched-out pier plate, Fig. 2 an interior view in the direction of the Side wall, Fig. 3, such in the direction of the rear wall, Fig. Q. an exterior view on the side wall, Fig. 5 shows an outside view of the rear wall.

So far, only the lower corner strips have lapped horizontally on top of one another shown, while the upper corner strips for inserting the walls are still upright stand. Fig. 6 shows the horizontal overlapping of the upper corner strips as well in a pure interior view of the side wall in front.

Fig. 7 is a top view of Fig. 2 and Fig. 8 is a top view Fig. 6.

Fig. G shows the finished box from the side, Fig. Io from the front and Fig. Ii in section A-B of Fig. G. Fig. 12 shows the associated Recognize grooves in the walls. Figures 13 and 14 illustrate two more Embodiments of the corner pillars in cross section.

With reference to the first embodiment, the punched sheet a, whose inner bending edges are drawn in dashed lines and whose outer bending edges are drawn in dotted lines, results from the strips b, c, d, the inner groove r1 (see Fig. 7), from the narrow strips f, g the longitudinal fold which later engages in the wall groove n1 (Fig. 12) and from the wide strip 1a the transition fold and d: e outer wall of the outer channel r2 enclosed by the strips i and c (see Fig. 7), whose through the narrow Strip k, L formed beaded edge has to engage in the wall groove n2 (Fig. 12).

From the lower corner strips to be lapped horizontally one on top of the other in, o, after the channel profile has been completed, the one in is bent over first to then to be embraced by o below and above. This triple overlap, whose Flaps riveted to one another, which can be welded even better, offers a exceptionally strong floor support strip, which is self-supporting for every floor load that occurs the box has grown with a high free fall. It is advantageous to use the floor carriers large flat spherical heads P for easy pushing of the box without damaging the bottom with welded on.

If the gutters and the base strips are made from sheet metal a, the corner pillars with their free corners q under the gutters are pushed onto the corners of the box bottom s. If one now pushes the walls from above into the grooves rl, r2 of the pillars, which are of course still open at the top, these become through the engagement of the folded and flanged edges f, g, 1, k in the grooves nl, n2 with the entire tensile and Compressive strength of the boards, so held together practically completely rigid, so that the box absorbs any internal pressure. The strength of the corner pillars themselves can be significantly increased for particularly large boxes intended for specifically heavy loads by pressing corrugations or depressions into the work sheet a before it is bent.

As can be seen, with the same clear width and depth of the grooves rl and r2 shown, the grooves n 'and n2 of the rear wall t and side wall ic (Fig. 12) come to lie at exactly the same distance from the end edges ul, 1l of all walls. In addition, one and the same groove width and depth also fits the longitudinal folds f, g and the flanged edges k, 1, so that all the grooves can be continuously made by unskilled workers without interrupting work with one and the same stop and milling cutter setting. Since the bending, folding and flanging of the channels with known means does not present any difficulties and can be carried out quickly, a rigid box is achieved in the cheapest way with little sheet metal expenditure and without any Np gelung.

In the scope of the invention, the boards ic, t could also be used in such a way that the grooves n ', n2 come to lie on the inside. Only the corresponding outwardly directed bead would then have to be made from the sheet metal surface b ' (Fig. 13) to be widened by the pieces k, L and the longitudinal fold f', g 'by folding together the inwardly widening surface c' and the surface c 'that is to be bent towards it Extension of the surface b 'and finally joint outward bending of the extensions nestled together are formed.

Boards grooved on the outside and inside could also be used for very large boxes Find use. 'This results in the pillar profile according to Fig. 1q., Its claws each only have to absorb half the wall tension, which is therefore allowed to be very large. A shearing out of the pieces of wood between the groove and the edge is the same here Basically effectively prevented.

Once the walls have been pushed in from above and placed firmly on the floor, first the narrow upper corner strip v and then the wide w is bent inwards. These two flaps are also best welded. In the front corner pillars, a shortened flap v '(Fig. G) is already bent over the channel on the end wall x and, if necessary, also over the adjacent side wall edge, while the inwardly bent flaps w take over the guidance of the slide-in cover y, which is shown in the corners of the rear corner pillars under the welded tabs v, w find a secure hold and stop.

The sliding cover lock can also be done without a nail are, for example, through a continuous slot in the lid and the end wall and through a steel band to be pulled through these slots, the one with holes on - cover ends to be pushed together with a padlock would be.

Claims (3)

PA-TENT CLAIMS: e.g. Nail lots transport box whose side walls are inserted into corner posts having mutually perpendicular gutters, characterized in that the corner posts of -this Haupteckwinkel (la, I), in which shaped U-by folding one on the longer leg (h) adjoining the strip ( b, c, d) two butt-abutting U-shaped grooves (r1, r2) are formed, the side surfaces of which engage at their free longitudinal edges with angular bends (f, g or 1, k) in grooves (n1, n2) in the side walls . 2. Transport box according to claim r, in which at the lower ends of the corner posts inwardly curved, the crate bottom supporting tabs are provided, characterized in that these tabs (o, m) are lapped inward. 3. Transport box according to claim z and 2, characterized in that for guiding a sliding cover in a thickness corresponding to the spacing from the upper edges of the side and end walls at the upper ends of the rear corner posts by bending and lapping end strips (v, w) of the same Stop angles are formed for the cover, while a cover guide is created at the upper ends of the front corner posts by bending a tab (w) at an angle.