DE7924640U1 - Card-sized, in particular card-shaped, packaging of batteries - Google Patents

Description

Card-based packaging, in particular card-based packaging of batteries

The innovation relates to a map, in particular an index card Packaging of batteries, preferably mini or so-called button batteries.

Batteries, operating in particular with alkali electrolyte batteries, also tend to at least abgedichtetster embodiment trackwise outlet of the electrolyte _s. for example potassium hydroxide, which has an extraordinarily high tendency to creep even through very tight seals. When such batteries are packaged in so-called foil packs, a wafer-thin film of liquid forms on the battery surface and, of course, also on the electrical contact surfaces, which, in addition to causing corrosion, also causes deterioration in contact and the devices in which the battery is used, impaired.

If the packaging containing the respective battery is carefully and constantly ventilated, carbonization occurs this lubricating film, whereby the carbonate crystals that are formed in the process can easily be used as a dusty covering can be wiped off.

With the usual skin or foil packaging, i.e. encasing the batteries with flexible, transparent foils, if necessary reinforced by a solid stiffening or back plate, e.g. made of cardboard, a reliable air supply is required in the | The interior of the actual battery cannot be guaranteed.

When using stiff plastic material, for example PVC, as packaging material, on the one hand, requires special measures for the desired ventilation (or air conditioning or avoidance of a greenhouse climate) and on the other hand there are very considerable deflections or bulges if the transparent plastic material with a back plate made of heat-sealable cardboard material is connected, as is considerable in the case of index card-like packaging of the batteries with printed characteristics offers informational and proper sales advantages.

The task of the innovation is therefore the formation of a form and material combination, which in the aforementioned index | card-like packaging as well as the necessary reliable loading | Ventilation of the interior of the packaging ensured and at the same time the curvature of the packaging with the simplest means in one Holds frame that ensures the card-like function of the packaging.

- 5 Accordingly, the innovation consists in the combination that one sifcs the mini-battery is arranged in a cavity of a pre-formed or pre-formed rigid plastic sheet, which is flatly connected (welded) to a flat card carrier on its back and that on the other hand in at least one channel is embossed on the plastic sheet, which freely connects the cavity with the outside world, and additional stiffening features are formed, wherein Channel and stiffening features are arranged at a large angle to each other.

It can be advantageous if the channel has an opening and at least one opening on both sides of the cavity transversely to the longitudinal extension of the card carrier and ^{U at the edge}

Stiffening expression is provided in the direction of the longitudinal extension of the card.

An embodiment of the innovation has proven itself in practice, in each of which a stiffening expression is arranged near the lateral longitudinal edge of the card and the or the Air connection channels across the entire broad side the map.

Jfc according to whether the stiffening characteristics with the packaging interior related or not, different advantages can be obtained, with the addition of a simple one Device can be provided with which ventilation can be promoted when handling the card-like packaging.

The innovation is explained in more detail below in an exemplary embodiment in a figure and partial sections A-A and B-B:

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The index card-like packaging 1 consists of a stiff packing plate 2 made of firm, heat-sealable paper or cardboard, which preferably has an index card-like shape and lettering. On one side of the diesel back plate 2 , a cover 3 made of transparent, rigid plastic (e.g. PVC), which is pre-formed with embossings, is heat-sealed in a blister-like manner a hollow air connection channel 5, preferably running transversely to the direction of the index card, is in communication with the outside atmosphere. Such an air connection channel 5 extends to the side edge of the index card packaging and, together with stiffening features 6a, 6b, is formed as a recess in the blister cover of the packaging, e.g. by deep drawing embossed, the back plate 2 - after joining together with the cover 3 - closes these cavities so that only the end openings 7 of each air connection channel 5 remain open Raisings 6a, 6b are not easily pressed in when handling and thus the functions, namely stiffening of the card against - caused by the joining of back plate 2 made of cardboard and cover 3 made of plastic - arching off and at the same time reliable air connection of the inner packaging space k are permanently maintained.

The air connection channels 3 take over because of their transverse Arrangement running across the map as a double function at the same time a strong stiffening effect. If the stiffening characteristics 6a, 6b are connected to the air connection ducts 5, you can take on an additional pumping function with regard to the air supply to the interior of the packaging when handling the card. If the stiffening features 6a. 6b, however, in itself

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have closed, their stiffening effect increases the air trapped in them (or a pressure-forming gas), which can also be under a certain overpressure, which they also protects against unintentional pressing.

Although the stiffening characteristics are close to the edge of the index card-like Packaging and arranged perpendicular to the air connection channels, i.e. arranged in their longitudinal direction they can also be arranged in a different way, depending on the type of curvature influencing desired. Even the index card-like packaging can have a device with which the ventilation of the packaging interior 4 when handling (or as conscious pumping finger pressure) can be promoted, for example by an additional Void shape in the narrower area around the packaging interior 4.

Claims (6)

Protection claims 1. Card-like, in particular index card-like packaging of batteries, preferably mini or button batteries,
marked by the combination that on the one hand the mini battery in a cavity (packaging interior 4) of a pre-stamped or
preformed rigid plastic sheet (cover 3) is arranged, which on its back is flatly connected (welded) to a flat card carrier (back plate 2) and that on the other hand, at least one channel (air connection channel 5) is embossed in the plastic sheet, which the cavity with the outside world freely connects, and additional reinforcement features (6a, 6b) are formed,
with channel and stiffening characteristics in the large V / angle
are arranged to each other. 27. De ?. 1979 New page 2 2. Combination according to claim 1, characterized in that the channel (5) on both sides of the cavity (4) ^ uer to The longitudinal extension of the card carrier (2) runs and ends has an opening (7) on the edge and at least one reinforcement expression (6a, 6b) is provided in the direction of the longitudinal extension of the card. 3. Combination according to claim 1 or 2, characterized in that in each case a stiffening expression (6a, bb) near the lateral longitudinal edge of the card is arranged and the or the air connection ducts (5) across the entire Run broadside of the map. 4. Combination according to one of claims 1-5 * characterized in that the stiffening projections (6a, 6b) do not with the Air connection channels (5) are in communication. 5. Combination according to one of claims 1-2, characterized in that that at least one reinforcement expression (6a, 6b) with the packaging interior (4) is in communication. 6. Combination according to one of the preceding claims, characterized in that that an additional cavity expression in the narrower area is provided around the packaging interior (4).