Bags

Inactive Publication Date: 2005-04-21
INT CONSOLIDATED BUSINESS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0012] The roll is orientated in its container so that the projections of each successive bag is the end that always extends and projects from the container for the roll, and thus provide for ease of gripping and without the tendency for the end of the next bag to move back into the container when the leading bag is separated therefrom at the line of weakness between the bags. A further advantage of the invention, when in the form of a roll of bags, is that bags are only joined together at the tops of the projections and thus the remainder of those ends of the bags are already open and separation at a line of weakness across the entire end, of what will be the open end of the bag, is not necessary as in the case with the roll of bags disclosed in Australian patent specification no. 611639.
, when in the form of a roll of bags, is that bags are only joined together at the tops of the projections and thus the remainder of those ends of the bags are already open and separation at a line of weakness across the entire end, of what will be the open end of the bag, is not necessary as in the case with the roll of bags disclosed in Australian patent specification no. 611639.

Problems solved by technology

The other ends (opened ends) of the bags are joined to another adjacent bag but with a further line of weakness defining the valleys and projections which will be produced to provide the flaps for both those bags when they are separated from each other.
In this situation there is a tendency for the sealed end of that next bag to roll or move back into the interior of the container making it difficult to locate and grip the sealed end of the next bag to draw it from the container.
The effect of three gussets formed from four gusset folds along one longitudinal edge presents difficulties in aligning the folded portions of the roll when forming the cut out regions which form the flaps or ties, whilst the resulting bag is also not consumer friendly, being hard to open, and likely to tangle when being inserted in a bin, due to the relatively large number of folds that need to be separated from each other.
In addition the single fold along one longitudinal edge of the bag formed from only two thin layers of bag material results in a weak point at the sealed end of the bag which under the weight of refuse in the bag can fail resulting in refuse gravitating, or leaking, from the bag.

Method used

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Examples

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Embodiment Construction

[0017] Referring to FIGS. 1 and 2 of the drawings, there is provided a roll of bags 10, each bag 11 having a welded end 12 and an open end 13 having a series of alternating valleys and projections formed thereon with said projections providing flaps or tie parts 14. The welded end of one bag is joined by a line of weakness 15 to the tops of the projections or flaps 14 of the next bag in the roll.

[0018] The roll is orientated in its container (not shown) so that the projections or flaps 14 of each successive bag is the end that always extends and projects from the container for the roll, and thus provide for ease of gripping and without the tendency for the end of the next bag to move back into the container when the leading bag is separated therefrom at the line of weakness 15 between the bags. A further advantage of the invention is that bags are only joined together at the tops of the projections or flaps 14 and thus the remainder of those ends of the bags are already open and se...

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PUM

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Abstract

Disclosed is a bag (11), and a method of making the bag, having a welded end (12) and an open end (13) having a series of flaps or tie parts (14) formed thereon. The bag is formed from a tubular body folded upon itself along its longitudinal central region whereby no more than two gussets are formed along each longitudinal edge of the bag. A roll (10) of bags (11) is also disclosed in which the welded end (12) of one bag is joined by a line of weakness (15) to the flap or tie parts (14) of the next bag in the roll.

Description

TECHNICAL FIELD [0001] This invention relates to bags, and more particularly, but not exclusively, plastic bags for the disposal of refuse, garbage and the like and which may be used for disposing of household waste, such as kitchen waste, as well as the carrying of fruit and vegetables and supermarket goods, and otherwise known as produce bags. [0002] The invention particularly relates to such bags having flaps formed on their open ends, which flaps, after the bag has received its contents, can be tied together to close the opening of the bag and prevent its contents from spilling out during subsequent handling. The flaps also provide a handle formed by the tied portions of the flaps, whereby the bag can be carried, for example from the kitchen to be deposited in a refuse bin as may be provided to households by local Government Authorities, or for carrying goods to or from the checkout counter in a supermarket. Flaps also save space in the bag when tied thus saving material cost an...

Claims

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Application Information

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IPC IPC(8): B65D33/00B65D33/16
CPCB65D33/1608B65D33/002B31B2160/10B31B2155/00B31B2155/0012B31B2155/003B31B2170/30
InventorWITHERS, PHILIP CRAIG
OwnerINT CONSOLIDATED BUSINESS