Stock material or miscellaneous articles – Sheet including cover or casing – Foamed or expanded material encased
Patent
1992-12-16
1994-08-23
Ryan, Patrick J.
Stock material or miscellaneous articles
Sheet including cover or casing
Foamed or expanded material encased
428 43, 428116, 428119, 428178, 428192, 428198, 206521, 206522, 156497, 156543, B32B 900
Patent
active
053406320
DESCRIPTION:
BRIEF SUMMARY
The invention on hand pertains to a Padding Element for the packing of objects, comprising two synthetic foil runs placed one upon the other and joined by way of welding seams. The invention furthermore comprises a Device for the manufacture of a Padding Element with a contrivance to provide synthetic foil feed and a contrivance for the welding of the same.
Materials customarily used in the packing and/or padding out of goods include Styropor chips, Styropor mouldings and synthetic mats with air cushions of various sizes produced in a deep-drawing process.
Styropor mouldings are relatively expensive to make, and are primarily used to pack identical objects manufactured in large series. Such mouldings are bulky and use up quite a lot of storage space; furthermore, getting them to the right place, at the right time, requires a great deal of time and effort. The packing/padding problem can be solved more efficiently e.g. by using the familiar Styropor chips, whereby such chips can be stored in silos at the packing station and used to fill out the space between the object to be packed and the container. However, most of us are adequately familiar with the problems encountered when unpacking goods delivered in Styropor mouldings or Styropor chips. More often than not, the object is covered in electrostatically charged Styropor particles, which are exceedingly difficult to remove. And private households in particular face a further dilemma: what to do with the Styropor packing material. In most cases, it will end up with the household refuse.
Aforementioned synthetic mats with air cushions can be cut off to the required lengths, for example from large rolls, at the point of packing. The object to be packed is then wrapped once or several times around and then inserted into the transport container. It might then be necessary to use more mat sections to fill out any remaining hollow spaces in the container. This method is too complicated to be applied to large-series goods, and problems can also be encountered with the disposal of the mats as many communities require the payment of a by-volume waste disposal charge. Nobody would even dream of attempting to reduce their waste volumes by cutting open the many hundreds (or thousands) of air cushions that make up such mats, thus permitting the air to escape.
The invention described herein is designed to provide the market with a packing/padding element suitable for use with large-series products as well as small-lot objects, whereby storage space requirements for packing and/or padding materials at the point of packing shall be low, and disposal at the place of unpacking shall be as problem-free as possible.
These requirements are met by a padding element and a device for manufacturing this padding element having the characteristics and means as described in the claims.
The Padding Element in accordance with the present invention consists of two synthetic foil runs placed one on top of the other and joined by several welding seams running essentially at right angles to one another. The welding seams create at least one self-enclosed chamber per Padding Element. Each Padding Element consists of preferably several chambers. During the production process of the Padding Element each chamber can be filled with air as required. The Padding Element can thus be given an individual shape that is ideally suited to the object to be packed, i.e. by filling the relevant chambers a little, a lot or not at all. The adaptability of the Padding Element to the object to be packed is further enhanced by fact that the length and width of the chambers can also be varied. Padding Elements that consist of one or only a few air-filled chambers can be used as filler elements in place of Styropor chips.
Whenever possible, the Padding Elements are to be produced at the point of packing, i.e. a Padding Element Device is to be installed there. This means that the Padding Elements can be manufactured to meet current requirements, or at a rate matching that of the objects to be packed, and that sto
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Bahta Abraham
Ryan Patrick J.
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