Container Jacket Sheet Laminate Registration
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Solution Overview
Problem
Existing methods for forming containers with an inner bag and outer jacket are inefficient due to the need for individual jacket blanks to be aligned and registered with the bag sheet, which complicates the production process and increases waste.
Innovation Solution
A method involving a laminate of sheets for forming bags and jackets, where jacket blanks are cut from the jacket sheet after joining with the bag sheet, allowing for simultaneous conveyance and eliminating the need for separate alignment, with options for adhesive, ultrasonic, heat, or pressure joining, and creasing for fold lines to create desired shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If individual jacket blanks are conveyed and aligned separately with the bag sheet, then registration precision can be achieved, but the production process becomes complex and time-consuming
Solution Approach 1:
The patent merges the bag sheet and jacket sheet into a single laminate structure where the jacket sheet is adhered to the bag sheet. This integration allows both components to be conveyed and processed together as one unit, eliminating the need for separate alignment operations while maintaining precise registration through the bonded interface.
Solution Approach 2:
The patent applies adhesive to join the jacket sheet to the bag sheet before cutting and processing. This preliminary joining action ensures that the components remain precisely registered throughout the subsequent processing steps, eliminating the need for complex alignment mechanisms during cutting and forming operations.
2Manufacturing precision
If individual jacket blanks are aligned and registered separately, then positioning accuracy is improved, but production time increases
Solution Approach 1:
By combining the bag sheet and jacket sheet into a laminated structure, the patent enables simultaneous conveyance and processing of both components. This eliminates the time-consuming separate alignment operations while maintaining positioning accuracy through the adhesive-bonded interface that keeps components fixed relative to each other.
Solution Approach 2:
The laminate structure allows continuous conveyance and processing of both bag and jacket components together through the production line. This continuous processing eliminates interruptions for separate alignment operations, maintaining high productivity while preserving positioning accuracy throughout the entire production sequence.
3Manufacturing precision
If separate alignment operations are performed for jacket blanks, then registration precision is achieved, but material waste increases
Solution Approach 1:
The laminate structure integrates the bag sheet and jacket sheet into a single processed unit, allowing both components to be cut and formed simultaneously. This eliminates the need for separate alignment operations that would generate waste from misaligned or defective components, thereby reducing overall material loss.
Solution Approach 2:
By joining the sheets together before cutting, the patent ensures that both components are processed as a unified structure. This preliminary joining prevents material waste that would result from separate alignment failures or mismatches, as the adhesive bond ensures consistent positioning throughout the cutting and forming processes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method simplifies the production process by eliminating the need for separate jacket blank alignment, reduces waste, and allows for efficient formation of containers with sealed bags and structural support, including apertures for visibility, while maintaining the integrity of the bag material.
Implementation Method 1
The method of joining is preferably by using adhesive
Implementation Method 2
passing the laminate through a creasing mechanism so as to form fold lines in the jacket blanks
Implementation Method 3
The edges of the sheet for forming the bags are then sealed together. This may be achieved, for example, by using heat and/or pressure
Implementation Method 4
The edges of the sheet for forming the bags are then sealed together. This may be achieved, for example, by using heat and/or pressure
Implementation Method 5
alternative or additional methods of joining may be used, such as ultrasonics
Data Source
AI summary
A method is disclosed for forming containers having an inner bag and a surrounding outer jacket. The method comprises conveying a sheet 26 for forming the bags of the containers, conveying a sheet 24 for forming the outer jackets of the containers and joining said sheets 24,26 to each other to form a laminate. A series of jacket blanks are then cut in the sheet 24 for forming the jackets by a cutting mechanism 44 and so as to define the outer perimeters of the jacket blanks, wherein said cutting is performed after said sheets have been joined and such that said jacket blanks are joined to said sheet for forming the bags.