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Pouch having concavely-curved corners

A cornered, curved technology for sachets that addresses issues such as increased complexity

Inactive Publication Date: 2013-11-27
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, all of these methods generally add complexity and require special capabilities beyond the capabilities of the machines performing the forming, filling and sealing

Method used

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  • Pouch having concavely-curved corners
  • Pouch having concavely-curved corners
  • Pouch having concavely-curved corners

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0059] according to figure 1 and figure 2 The sachets are used on VFFS machines with Figure 6-7 Similar sealing clips are formed from thin sheets. The VFFS machine creates the overall seal by heating the sealing jaws to create a thermal bond between the individual sheets. Sheets are film materials polyethylene terephthalate, metal films (e.g. ) and a three-layer laminate of polyethylene. The flakes are provided on rolls fed into the VFFS machine and drawn onto the area where the tube is formed by sealing the fin seals in the machine direction. The tube has a leading edge which is used according to the Figure 6-7 The sealing clip seals to form a leading edge seal. A predetermined weight (~1.7kg) of granular laundry detergent is filled into the tube and allowed to settle in the tube, and use Figure 6-7 The sealing tab seals the tube to form a filled pillow sachet containing granular laundry detergent. The process is then repeated for the next sachet.

[0060] acco...

example 2

[0066] The ability of the sachets of the present invention to reduce quality defects during shipment was also tested. Here, prepare in the same manner as described in Example 1 Figure 1-2 , and fill it with a predetermined weight (~1.55kg) of granular laundry detergent. will be based on image 3 The comparison sachet is also filled with the same amount of granular laundry detergent. The sachets are manually packed one on top of the other in containers for shipping. After reaching the destination, the number of film punctures or lost seals is counted and multiplied by the total number of bags to determine the defect rate as follows:

[0067] Table 2

[0068]

Example 1

Compare sachet A

defect rate in ppm

0

2137

[0069] The sachets of the present invention exhibit reduced quality defects during shipment compared to standard sachets having substantially 90° angled volume corners.

[0070] Those skilled in the art will appreciate t...

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PUM

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Abstract

A pouch (100) has a sheet (120) containing at least one layer of a film material. The sheet forms a tube (142) that is closed with a seal (122) to form a volume (144). The seal (122) contains a first edge (128) and the sheet contains a second edge (130) in connected relation to the first edge (128). A curved seal (132) joins the first edge (128) with the second edge (130). A sealing jaw (150) and a method for forming such a pouch are also described.

Description

[0001] Cross References to Related Applications [0002] This patent application claims the benefit of the first PCT Chinese patent application CN2010 / 000038 filed on January 10, 2011. technical field [0003] The present invention relates to sachets. In particular, the invention relates to sealed pouches formed from film materials. Background technique [0004] Pouches are usually formed from laminates or films and can be used to hold many types of items such as food, shampoo, detergent, pharmaceuticals and the like. In order to prevent them from leaking, they are often sealed on all sides to form a fixed volume to contain products such as granular or liquid detergents. However, finding the balance between sachet waste and strength against breakage and leakage has been a challenge. The strength of the seal is directly proportional to the sealing area itself. If the pouch is sealed with too large a sealing area on the sides, the given volume per area of ​​film is small,...

Claims

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Application Information

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IPC IPC(8): B65D33/16
CPCB65D75/12B65D75/48B65D75/566
Inventor G·巴塔查尔吉马哲
Owner THE PROCTER & GAMBLE COMPANY
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