Package making – Methods – Annular package
Patent
1998-08-28
2000-05-30
Hong, William
Package making
Methods
Annular package
53427, 53204, 426129, 426410, B65B 4900
Patent
active
060677740
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a process as well as a device for packaging foodstuffs having an aperture, in particular of meat and sausage products having an aperture as well as gutted poultry.
BACKGROUND OF THE INVENTION
When such meat and sausage products or poultry are not directly sold at the place of slaughter or production, they will be packaged, so that the goods can be handled more easily during their transport and possibly intended storage and do not go bad prematurely. Frequently, the already packaged foodstuffs are deep-frozen, so as to increase their durability. It is desired that the packaging material should cover both the outer surfaces of the foodstuff and the inner surfaces in the vicinity of the aperture.
In this connection it is known from U.S. Pat. No. 2,844,474 to pass a tubular section first through the aperture of the foodstuff, subsequently put the end that has been passed therethrough over the foodstuff and, possibly after an additional suction process, seal the tubular section by means of the other end of the tubular section that has not been passed therethrough. For an easier passage of the tubular section an insertion pin may be used. Having passed the tubular section through the aperture of the foodstuff, which mostly has only a very small diameter, so that as a result the tubular section likewise has only a small diameter after having been passed through the aperture, the tubular section must be expanded to a very large diameter for being put over the foodstuff. It turned out to be disadvantageous that the end of the tubular section that has been passed through the aperture of the foodstuff and is then put over the foodstuff can be seized only with difficulty due to its small diameter and can therefore be expanded only with great effort. This is aggravated in particular in that when passing the tubular section through the aperture the moisture from the foodstuff, which has already accumulated at the wall of the aperture, is absorbed by the end of the tubular section, so that the same conglutinates.
It is the object of the present invention to create a process and a device as described above, which provide for a simple and easy packaging of a foodstuff having an aperture.
SUMMARY OF THE INVENTION
As regards the process, the above object is solved according to the present invention by a process for packaging foodstuff having an aperture, which comprises providing a tubular section of packaging material having a sealed end and an open end, passing the sealed end through the aperture, and then bringing the open end over the foodstuff. Since that end of the tubular section is put over the foodstuff which is located opposite the end of the tubular section that has been passed through the aperture, the proposed solution provides for an easy seizing of the end of the tubular section to be put over the foodstuff, because it was not necessary to first compress the same to the small diameter of the hollow space in the foodstuff. Moreover, there is no longer the risk that the end to be put over the foodstuff will conglutinate due to the moisture absorbed while it is passed through the aperture, and therefore putting the end over the foodstuff can only be performed with great effort or not at all.
DETAILED DESCRIPTION
This procedure is made possible by the fact that the tubular section to be passed through the aperture is first of all sealed (whereas the remaining complete sealing will only be effected in a further sealing step when the other tubular section has been put over the foodstuff). On the other hand, in the process known from U.S. Pat. No. 2,844,474 the end of the tubular section that has been passed through the foodstuff and has been put over the foodstuff has been sealed together with the other end of the tubular section by means of a sealing member provided for both ends of the tubular section together. As in this case a double layer of tubular material must be sealed by the single sealing member, it may happen that despite the sealing member a connection exists between t
REFERENCES:
patent: 4014153 (1977-03-01), Wilson
patent: 4033382 (1977-07-01), Eichin
patent: 4034536 (1977-07-01), Mahaffy et al.
patent: 5054270 (1991-10-01), McMahon
patent: 5709068 (1998-01-01), Bylenga
Hong William
Poly-Clip System GmbH & Co. KG
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