Package making – Methods – Filling preformed receptacle and closing
Patent
1996-07-10
1997-12-09
Moon, Daniel
Package making
Methods
Filling preformed receptacle and closing
53436, 53459, 141 10, 141114, 141313, B65B 104
Patent
active
056947470
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
1. Technical Field
The invention relates to a process for making a cushion, a quilt, or the like, according to the preamble to claim 1, a filling material cartridge suitable for carrying out the process, a process for making the cartridges of filling material, and a envelope suitable for carrying out the process.
2. Prior Art
Up till now, cushions, quilts, or the like have been made by means of a envelope being filled with a particular quantity of filling material at the manufacturer or retailer, after which the envelope is closed before the final article is presented to the retailer or the end customer. At least, the end customer always receives a completely filled article such as a cushion, e.g. a pillow, a quilt, e.g. a bed cover, or the like. More often, the essentially closed envelopes have a filling opening which can be opened and closed again.
For example, a filling machine from the Lorch Company is used to fill cushions and blows a weighed out quantity of filling material into the cushion envelope, after this material has been further cleaned if need be. When the previously weighed out quantity of filling material is blown in, often a part of the filling material gets caught in the filling machine and its individual mechanisms. This filling material must be subsequently filled by hand.
If the cushion or the cover is filled with filling material by hand, for example, then the filling material that has been filled is usually clumpy. Therefore, the filling material in the filled cushion or in the filled quilt must be fluffed up again.
The completed cushions, quilts, or the like have a relatively large volume since in addition to the filling material, there is also a great deal of air in them.
In order to reduce this volume during transport, cushions that are already completely filled are packed into a plastic envelope, for example. This plastic envelope containing the cushion is compressed to withdraw a part of the air contained in it and consequently has a smaller volume than the cushion itself when it is ready for use. As a result, a smaller volume is required for transport of the finished cushion to the place it will be used.
Packed cushions of this kind are difficult to sell and their contents must be fluffed up before they are used. Also, the envelope becomes creased when the cushion is compressed.
Since as a rule, cushion envelopes are already filled with the filling material on the manufacturing end, the end customer has to purchase cushions with a predetermined fill ratio. Filling one and the same size of cushion with different fill ratios significantly increases the inventory at the manufacturer and at the retailer.
INVENTION
The object of the invention is to give the end customer in particular, the opportunity to make a cushion, a quilt, or the like according to his wishes. Furthermore, the transport volume of the article should be reduced as much as possible.
This object is attained by the process according to the present invention. The process of the present invention is a process for making a cushion, a quilt, or the like, having an essentially closed envelope that has a closable filling opening and a filling material of individual aggregates. The individual aggregates are, for example fiber aggregates, down, feathers, pieces of foam material. The reversibly compressible aggregates, which are in a separate filling material cartridge that has a far lower volume than the maximum volume of the envelope and which are thus under high pressure, are introduced into the envelope through the opening along with at least a part of the filling material cartridge is opened inside the envelope, and the envelope is filled as the aggregates expand out from the filling material cartridge.
The essential consideration in attaining the object is to provide envelope manufacture separate from filling. Furthermore, the filling material is compressed for transport purposes. In this way, the end user can combine a envelope with a particular fill quantity, as he sees fit.
Because the filling materi
REFERENCES:
patent: 2057121 (1936-10-01), Trevellyan
patent: 2653744 (1953-09-01), Behr
patent: 3213587 (1965-10-01), Carruthers
patent: 3611524 (1971-10-01), Broyles
patent: 4094126 (1978-06-01), Lamb
Moon Daniel
Paradiso John
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