bags and products

一种制品、背面的技术，应用在容纳颗粒状可流动组合物的袋领域，能够解决成本升高等问题

Active Publication Date: 2011-12-07
MARS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as more components are added to the bag, the cost becomes unacceptably high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] The bag of the present invention can be constructed as follows.

[0085] A plastic laminate film comprising a 12 micron thick layer of polyethylene terephthalate ("PET") bonded to a 140 micron thickness by adhesive lamination was used to form the pouch. Thick coextruded layers of metallocene linear low density polyethylene, medium density polyethylene and metallocene linear low density polyethylene (from eg Exopack, Spartanburg, SC, USA). Once the bag is formed, the coextruded polyethylene layer forms the inner surface of the bag and the PET layer forms the outer surface of the bag.

[0086] Gusset the sides of the bag. The two edges of each side gusset on each side of the bag are sealed to form two edge seals on each side resulting in a four edge (4) seal thus forming a "four side seal" bag. The bag is sealed at the bottom by conventional heat sealing, trapping the bottom of the side gussets therein and forming the bottom surface. The side gussets are also sealed at...

Embodiment 2

[0092] An alternative embodiment of the bag of the article of the present invention can be made as follows.

[0093] A plastic laminate film comprising a 12 micron thick layer of polyethylene terephthalate ("PET") bonded to a 165 micron thickness by adhesive lamination was used to form the pouch. Thick coextruded metallocene linear low density polyethylene, medium density polyethylene and metallocene linear low density polyethylene layers (from eg Exopack, Spartanburg, SC, USA) were on top. Once the bag is formed, the coextruded polyethylene layer forms the inner surface of the bag and the PET layer forms the outer surface of the bag.

[0094] Gusset the sides of the bag. The two edges of each side gusset on each side of the bag are sealed to form two edge seals on each side, resulting in four edge (4) seals, thus forming a "four side seal" bag. The bag is sealed at the bottom by a conventional heat seal, capturing the bottom of the side gussets and forming the bottom surfac...

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Abstract

Disclosed is an article of manufacture including bag having a front surface; a rear surface; two side surfaces each having a gusset therein and connecting the front and rear surfaces; a flattenable bottom surface formed by connecting the front, rear, and side surfaces; and a top surface formable by connecting the front, rear, and side surfaces. The bag has a height, a width, and a depth, and defines an internal volume. The bag is sealable and has a seal strength of at least about 1,600 pounds per square inch. The bag is formed from a plastic laminate having a thickness of from about 130 to about 200 microns and a tensile strength of at least about 3,400 pounds per square inch. The article of manufacture also includes at least about 15 pounds of a particulate, flowable composition contained therein. The bag can also have a closure system comprising a non-reusable closure and a reusable closure. Also included are methods, using the article of manufacture, of enhancing palatability of an oxidizable, particulate, flowable composition contained therein.

Description

technical field [0001] The present invention relates generally to bags for containing granular flowable compositions, particularly large and heavy bags containing granular flowable compositions. More particularly, the present invention relates to bags and closure systems for such bags, wherein the bags and closure systems can withstand a drop or drop from a height of at least about 4 feet without rupturing or splitting. Most particularly, the present invention relates to bags for containing from about 15 pounds to about 75 pounds of granular flowable compositions. Background technique [0002] Industries that use and sell bulk quantities of granular flowable compositions such as animal feed, bulk food, coffee, fertilizers, detergents, etc. are often faced with the task of packaging and shipping such compositions in containers suitable for shipping, Handling, retail, and consumer transportation and use. For compositions such as bulk animal feed, such containers are typicall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D33/16B65D33/25
CPCB65D31/10B65D33/25Y02W30/80
Inventor L·A·舒马赫G·S·科尔B·S·山茨D·P·卡麦龙R·B·菲尔德
Owner MARS INC
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