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Flexible carrier having regions of higher and lower energy treatment

A corona treatment and bracket technology, applied in the field of flexible brackets

Inactive Publication Date: 2007-01-17
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These improvements are sometimes insufficient to obtain optimal adhesion between the flexible carrier and the container, especially when the container is large, heavy, and / or has a smooth outer surface

Method used

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  • Flexible carrier having regions of higher and lower energy treatment
  • Flexible carrier having regions of higher and lower energy treatment
  • Flexible carrier having regions of higher and lower energy treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0048] In the following examples, corona-treated plate samples were useful for making similar image 3 flex bracket shown in . Each flexible carrier plate is formed from ethylene-carbon monoxide copolymer, which has a density of 0.927 g / cm 3 , a melt index of 0.5 g / 10 min., and a carbon monoxide comonomer content of 0.75% by weight. The ethylene-carbon monoxide comonomer was mixed with 500 ppm of oleamide lubricant.

[0049] In Example 1, five samples were prepared with non-corona treatment, and with 1.6KW power, a line speed of 80ft / min. and a dwell time of 0.75 seconds, producing 96watts / ft 2 / min. Watt density, with similar Figure 5 Five samples were corona treated with the corona treatment equipment shown in . Corona treatment equipment is manufactured by Corona Designs under the trade name POWERHOUSE. Corona-treated carrier sheets are corona-treated several days after preparation to allow sufficient lubricant migration prior to corona treatment.

[0050] Estimating t...

Embodiment 3

[0054] Example 3 was performed using a plasma treatment available from Plasmatreat Corp under the trade name FLUME. A narrow band 0.75 inches wide is selectively plasma treated. The full power of the plasma treatment is about 0.25kw. Sample pieces were selectively processed at 20, 40, 60 and 80 feet / min. The resulting process residence times were 0.25 seconds, 0.125 seconds, 0.083 seconds, and 0.0625 seconds, respectively. Selective plasma treatment is done at all speeds, but the treatment is heavy at low speeds. These samples were not further evaluated.

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Abstract

A flexible carrier (30) for carrying a plurality of beverage containers includes a plurality of container holders (25), each having a portion with higher energy treatment (26) and a portion with lower energy treatment (24). The energy treatment is corona or plasma treatment. The portions with higher energy treatment (26) provide better carrier-to container friction. By varying the level of energy treatment and the relative size of the portions being treated, the amount of overall friction between the flexible carrier (30) and the containers can be controlled.

Description

technical field [0001] The present invention relates to a flexible carrier for carrying beverage cans and bottles. The flexible carrier has high and low energy handling areas to provide friction against the container, which is made relatively rough to prevent the container from slipping during shipping, distribution, and handling by the user, and to make it relatively easy for the user to remove the container from the carrier. Background technique [0002] The flexible bracket is used to carry various beverage containers such as four packs, six packs, eight packs, ten packs, twelve packs, etc. The flexible bracket is stretched during the process of applying to the container bracket. While the container can be made of plastic, metal or glass, the flexible bracket is made of plastic. [0003] One difficulty faced by the beverage industry is obtaining the proper balance of friction and lubrication between the flexible carrier and the filled container. If the friction is too ...

Claims

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Application Information

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IPC IPC(8): B32B3/24
Inventor 威廉姆·N.·韦弗小伊格里·E.·格伦莫罗·R.·杰森
Owner ILLINOIS TOOL WORKS INC
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