Transverse Bottom Gusset Orientation for Variable Height Packages

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Solution Overview

Problem

Conventional bottom-gusseted packages are limited in height by the width of the polymeric film web, restricting their maximum height and versatility in formation.

Innovation Solution

The method involves forming a bottom gusset positioned transversely of the longitudinal axis of the polymeric film web, allowing for packages of any selected height, with the gusset extending upwardly and inwardly from the package panels, and incorporating a sleeve-forming web for recloseable fasteners or dispensing spouts, enabling flexible package configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If the conventional method of forming bottom-gusseted packages by pleating the web parallel to the longitudinal axis is used, then the package structure is simple and formation is straightforward, but the maximum height of the package is limited by the width of the polymeric web

Engineering Contradiction:
Improvepackage heightVSAvoidpackage configuration flexibility
Core Design Contradiction:
Length of moving objectVSAdaptability or versatility

Solution Approach 1:

The patent changes the orientation of the bottom gusset from being formed parallel to the longitudinal axis of the web to being positioned transverse to the longitudinal axis. This dimensional reorientation allows the package height to be determined by the length of the web rather than its width, thereby increasing the maximum achievable package height and improving adaptability to different package configurations

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Length of moving object

If the web width is increased to achieve greater package height, then the maximum package height increases, but the forming equipment complexity and handling difficulty increase

Engineering Contradiction:
Improvepackage heightVSAvoidforming equipment complexity
Core Design Contradiction:
Length of moving objectVSDevice complexity

Solution Approach 1:

Instead of increasing web width to achieve greater package height, the patent reorients the gusset formation to utilize the web length dimension. This allows standard-width webs to produce taller packages by changing the gusset orientation to transverse, thereby achieving greater height without requiring wider webs or more complex forming equipment

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Productivity

If the bottom gusset is positioned transverse to the longitudinal axis, then packages of any selected height can be formed efficiently, but the formation method deviates from conventional techniques requiring new forming approaches

Engineering Contradiction:
Improvepackage formation efficiencyVSAvoidforming process simplicity
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The patent positions the bottom gusset transverse to the longitudinal axis of the web, which allows packages of any selected height to be formed efficiently using the web length rather than being constrained by web width. This reorientation enables greater production flexibility and efficiency despite requiring modified forming approaches

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS9272481B2Bottom-gusseted package and method
Publication Date: 2016.03.01 INNOFLEX
  • US9272481B2 patent drawing
  • US9272481B2 patent drawing
  • US9272481B2 patent drawing

AI summary

A bottom-gusseted package comprises a package body, and a bottom gusset positioned transversely of a longitudinal axis of the package body. A top sleeve portion of the package body can be configured to include a recloseable fastener, a dispensing spout, or an upper package seal. Formation of the bottom-gusseted package is effected by positioning individual sleeves transversely of the longitudinal axis of a flexible web which forms the package body. During package formation, the flexible web is cut to form individual packages, and each individual sleeve can be cut to form a bottom gusset in one package, and a top sleeve portion in an adjacent package.