Patent Publication Number: US-4094405-A

Title: Sales packaging

Description:
This invention relates to a container of cardboard or similar material for the reception in common of several folding boxes for objects sensitive to pressure and requiring the access of air, especially for flower seeds or flower bulbs. 
     In the packing of flower seeds and flower bulbs or of other fragile objects requiring access of air, a container having two opposed requirements of sufficient strength with respect to the transport stresses and sufficient possibility of access for outside air to the objects, is needed. Sales packages hitherto known for seeds or flower bulbs, in which folding boxes receiving of various types were &#34;blistered&#34; in common onto a cardboard plate, are unsatisfactory above all because of difficulties in ventilation. 
     The basis of this invention is the improvement of the sales package mentioned at the outset in such a way that both the above-mentioned requirements are optimally fulfilled with a container which is easily manufactured. 
     The problem presented is solved, according to this invention, by providing folding compartments which are attached at their bottoms to a base plate of a flat slab-shaped sales container of cardboard material or the like. The base plate has side walls, the upper edges of which are connected to a cover wall ring surrounding a folding compartment zone. The inner edges of the cover wall ring have supporting walls leading to the base plate, circumscribing the folding compartment zone. Attached to the upper edge of one side wall is a cover foldable onto the cover wall ring. Both the closed folding compartments and the closed container have passage openings allowing a ventilation from outside extending into the folding boxes. 
     In such a construction of the sales package the individual folding boxes can be constructed without external pressure strains and can be made of cheap thin cardboard paper cutouts, whereas the formation of the sales container with a cover wall ring and side walls depending therefrom yields an optimal pressure stability of the container even if for its production there is used a correspondingly thin and inexpensive cardboard material. 
     According to a preferred embodiment of the invention, the sales container consists of a foldable cardboard cutout forming a bottom wall, and a base plate, which along the lower edges of the supporting walls of the assembled box has a slit for receiving a tab formed at the bottom of the walls. The base plate, according to a further embodiment of the invention, consists of a corrugated cardboard having mounted on its upper side a sheet of cardboard. This configuration is doubly advantageous, i.e., reinforcement of the bottom of the packing container is obtained, allows the container to be made of a correspondingly thinner and less expensive cardboard material and, on the other hand, the deep slits corresponding to the thickness of the base plate, can be formed which assure a secure anchoring of the tabs inserted in them of the supporting walls. 
     According to one embodiment of the invention, it is preferred if at least a part of the passage openings consist of slit openings formed in walls of the sales container not connected with each other. Through the elimination of special connecting strips otherwise usual between adjacent walls of boxes or similar packages, a welcome simplification of the sales package results. 
    
    
     The subject invention can be readily understood with reference to the drawings in which: 
     FIG. 1 shows the sales package in a perspective view obliquely from above; 
     FIG. 2 shows a cardboard cutout of a container receiving several folding compartments of the sales package according to FIG. 1, in a plan view; 
     FIG. 3 shows a base plate serving to reinforce the bottom wall of the sales container according to FIG. 2, in a view corresponding to FIG. 1; 
     FIG. 4 shows the cutout of a folding compartment designed as a folding rosette for flower seeds, in a plan view; 
     FIG. 5 shows another embodiment of a folding compartment intended for the reception of flower bulbs in a flat slab form in a view corresponding to FIG. 1. 
    
    
     The container represented in FIG. 1 is foldable out of a cardboard cutout 2 (FIG. 2) and is reinforced by a base plate 4 (FIG. 3) settable on its base wall 3, as well as fold rosettes 5 glued onto the middle zone of the base plate 4 above, each of which is intended to receive expediently different types of flower seeds (not represented.) While the folding rosettes 5 can consist of an easily foldable thin cardboard paper, somewhat stronger, but likewise still easily workable cardboard material is preferred for the sales container, which would not result in a sufficiently pressure-proof sales container. 
     According to FIG. 1 the sales container 1 has upper edges 6a, 6b, 6c and 6d attached to a cover ring 9 and defining the periphery thereof. Side walls 7a, 7b, 7c and 7d extend perpendicularly downward from respective upper edges. A folding compartment zone 8 defined by an opening in ring 9 from the inner edge of which there depend supporting walls 10 directed perpendicularly downward to the base plate 4. The supporting walls 10 have on their outer edges in each instance, a tab 10a, with which they engage, in the folded container 1 according to FIG. 1, an allocated slit 11 of the base plate 4 (cf. FIG. 3) and thereby can be securely locked in their perpendicular position. 
     The folding rosette compartment 5, as shown in FIG. 4, includes a hexagonal base 5a, having cover wall parts 5b extending outwardly from the sides thereof. The wall parts 5b are oval-shaped, each one of them having an arcuate notch, located at the lower right end thereof, adjacent to the base. 
     When the folding rosette 5 is spread out horizontally in a flat open position relative to the base, the wall parts will not overlap one another due to the aforementioned notches. 
     As seen in FIG. 1, the wall parts 5b are adapted to be folded overlappingly from their hexagonal base 5a, forming a cover for the base and defining a central slit-form access opening 5c for the outside air, in fan-form configuration. 
     The folding rosettes 5, have, therefore, sufficient access to the outside air due to the openings 5c. Also, in the case of the closed sales container 1, there is yielded an adequate possibility of access for the outer air to the folded compartment zone 8 through cover 12 which can be folded open only flatly on the outside of the cover wall ring 9. Only a single fluing is needed at the inside of the cover 12 on the engagement place of the side wall 7b which serves also as a gluing strip, along with a further side wall 13 of the cardboard cutout 2 situated between the bottom wall 3 and the cover 12, to which it is glued. Tab 12a may be glued to cover 12, if desired. In particular, insert strips 14a and 14c connecting to the outer edges of the side walls 7a and 7c are thrust in the folded sales container 1 over the bottom wall 3, so that on the finished container 1 between the bottom wall 3 and the side walls 7a and 7c underneath the insert strips 14a and 14c gaps 15 remain for access of air into the annular space 9a underneath the cover wall ring 9. There are also connecting openings 16 formed between the supporting walls 10. For further improvement of the ventilation of the annular space 9a, at least one side wall can have additional ventilation openings 16, as is illustrated, for example, on the side wall 7d. 
     From FIG. 3 it is evident that the bottom plate 4 consists of a corrugated cardboard 18 coated on its upper side with a sheet of cardboard 17. The bottom plate 4 contributes not only to an advantageous reinforcement of the bottom wall 3, but the greater wall thickness and strength resulting leads to correspondingly deep slits 11, in which there is a dependable locking of the tabs 10a of the supporting walls 10 may be accomplished. 
     The otherwise usual formation of the cardboard cutout 2 with the crease lines connecting and individual wall parts of the sales container 1, are shown, for example, also in the place of the upper edges 6a, 6b, 6c and 6d of the side walls 7a, 7b, 7c and 7d is to be seen sufficiently well from FIG. 2 and, therefore, requires no detailed description. 
     As shown in FIG. 5, instead of the folding rosettes 5, there could be glued to the bottom wall 3 of the sales container 1 also larger folding boxes 19 suited, for example, for the reception of flower bulbs. The folding box 19 is folded otherwise, likewise from a usual box cutout (not represented in detail) has a shallow slab form and forms ventilation slits 21 along the side edges situated between its side walls 20a and 20b. Through a corresponding precreasing of the cover wall 22 on the box cut-out the folding boxes 19 additional ventilation openings 23 in the side walls 20a and 20b can be formed. 
     Although for reasons of folding technique, a polygonal inner edge of the cover wall ring 9 offers itself, a form other than the hexagonal form represented is possible. In particular, in the case of a reception of slab-form folding boxes 19 there is recommended for the reaction of a larger folding box zone 8 the choice of a polygon have still more corners for the inner edge of the cover wall ring 9. So that the side wall 7d consisting only of simple cardboard material is not weakened, it can, further, be advantageous to provide such ventilation holes in the place of the double wall formed at the two side walls 7b and 13. If for the package represented, for ease of manufacturing, the simple cardboard and cardboard paper material is preferred, it nevertheless lies within the scope of the invention, especially in the case of relatively large sales packages, to use cardboard or pasteboard material improved in a usual manner, for example, coated also with plastic. Finally, the cardboard cutout 2 can be made differently than represented and the folding boxes 19 could be executed differently, for example, without the ventilation openings 23.