Special receptacle or package – With pallet feature – Knockdown or collapsible type
Patent
1988-04-21
1990-04-17
Fidei, David T.
Special receptacle or package
With pallet feature
Knockdown or collapsible type
206604, 206605, 206632, B65D 2734
Patent
active
049172476
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The invention refers to an essentially gastight package for packing pieces of goods, especially subdivided or subdividable packing goods with a wrapper made of a flat, foldable packing material and having at least two strip-shaped doubling areas of the packing material in which the two layers of the packing material which define each doubling area are connected with each other at the insides of their packing material via a strip-shaped sealing zone whereby the wrapper is opened by severing it at at least one of these doubling areas. The packages according to the invention should, however, not exclusively be designed as tubular bags. Further, the invention refers to an advantageous method of making the package according to the invention.
PRIOR ART
A package of this kind is described in the European patent application No. 85104700.1 (publication no. 0162291) with reference to FIG. 3. This package which is a tubular bag for packing chocolate has a fold extending from the wrapper in the area of a parting notch of the chocolate bar and being provided within the strip-shaped area in which both flanks of the fold are sealed together with several separated linear perforations along a break line. The package is opened by holding the latter with the hands at both sides of the fold and by snapping off the package about an axis parallel to the longitudinal extension of the fold with simultaneous breaking of the chocolate bar thereby peeling off the sealed connection of the flanks of the fold until the perforations are exposed whereupon the material bridges between the perforations are torn to obtain a slotted opening through which parts of the chocolate bar can be withdrawn. Such a snapping off during the opening results in a wrapper which is more or less crumpled especially in the area of the created opening. This is undesired especially when the package is only partly emptied and should be stored for some time. Moreover, this package can be used only for relatively hard packing goods.
SUMMARY OF THE INVENTION
The invention is based on the object to provide a package of the above-stated kind which can easily be opened in such a manner that the original shape of the package is not essentially altered during opening and withdrawal of packing goods and which can also be used for relatively soft packing goods.
This object is attained by a package in accordance with the invention which is characterized in that in a package with at least even surface area the wrapper includes at this surface area two spaced strip-shaped doubling areas in which in a manner known per se respective two layers of packing material defining the doubling area are connected to each other at their inner sides via a strip-shaped sealing zone and in accordance with the invention laterally enclose a tearing up zone of the wrapper. Advantageously, both folds are arranged in the vicinity of two opposing edges of the even surface area of the package.
According to an advantageous feature of the package in accordance with the invention, the package is characterized in that the tearing up zone is laterally defined by outer edges of the doubling areas enclosing the tearing up zone.
According to another advantageous feature of the invention, the package in accordance with the invention is characterized in that the tearing up zone is laterally defined by predetermined break lines of the packing material which are respectively arranged in the exposed layers of the doubling areas within the strip-shaped sealing zones wherein the doubling areas enclose the tearing up zone.
According to a further advantageous feature of the package in accordance with the invention, the package is characterized in that the doubling areas are respectively folded over in the direction away from the center of the tearing up zone and toward the surface of the package. Advantageously, the layers of packing material of the folded down doubling areas lying on the surface of the package are connected at least over a part of their surface with the surface of the packa
REFERENCES:
patent: 1680946 (1918-08-01), Kalina
patent: 2334413 (1943-11-01), Kerr
patent: 3306492 (1967-02-01), Kugler
patent: 3674195 (1972-07-01), Stone
patent: 3761013 (1973-09-01), Schuster
patent: 3967729 (1976-07-01), Tanner, II
patent: 4279344 (1981-07-01), Holloway, Jr.
Fidei David T.
Teich AG
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