Horizontal Form-Fill-Seal Multiple Pouch Perforation
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Solution Overview
Problem
Existing horizontal form-fill-seal processes for manufacturing multiple pouches are limited in efficiently connecting and sealing pouches in a side-by-side formation, particularly in creating openings for product insertion and ensuring reliable closure.
Innovation Solution
A horizontal form-fill-seal process involving perforated sealable films, where common edges are bonded and cut to form a multiple pouch section, compressed to open pouch parts for filling, and then sealed using grippers and appropriate sealing methods to facilitate product insertion and closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If common edge side films are bonded to form multiple pouch sections, then pouch connectivity and structural integrity are improved, but manufacturing complexity increases
Solution Approach 1:
The multiple pouch section is divided into individual pouches by perforating along the common edges. This segmentation allows the pouches to be separated easily after manufacturing while maintaining structural integrity during the bonding process. The perforation creates predetermined break lines that enable clean separation of connected pouches.
Solution Approach 2:
The common edge side films are bonded together before the pouches are separated. This preliminary bonding action creates a stable multiple pouch section that can be handled and processed as a single unit during manufacturing, filling, and sealing operations, reducing complexity compared to handling individual pouches separately.
2Ease of operation
If the multiple pouch section is compressed to open pouch parts, then ease of filling is improved, but energy consumption increases
Solution Approach 1:
The multiple pouch section is dynamically compressed along its longitudinal axis to open the pouch parts for filling. This temporary deformation creates openings without requiring permanent structural changes. After filling, the pouches can be sealed while maintaining the opened configuration, enabling efficient product insertion.
3Ease of operation
If sealable films are perforated along vertical seals, then ease of separation is improved, but sealing reliability may deteriorate
Solution Approach 1:
The sealable films are perforated locally along the common vertical edges where separation is needed, while the horizontal seals that require high reliability remain intact and unperforated. This localized perforation allows easy separation of pouches along vertical lines while maintaining strong sealing at horizontal connections where product containment is critical.
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
Enables efficient and reliable manufacturing of multiple pouches with connected pouches that can be easily opened for filling and sealed, ensuring consistent product containment and packaging efficiency.
Implementation Method 1
Such perforation is typically executed by a perforation blade which pierces the opposing sealable films along the seal
Implementation Method 2
Bonding is preferably effected by what is known commonly as vertical sealers which bond the sealable films together along an axis substantially orthogonal to the general machine direction
Implementation Method 3
The multiple pouch section is compressed along a general longitudinal axis of the section (machine direction of process), by displacing the side edges of the pouch parts to bring them closer together
Implementation Method 4
The filled pouches are then sealed by a sealing mechanism to form closed pouches
Data Source
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AI summary
Horizontal form-fill-seal process for manufacturing a multiple pouch comprising: -presenting a pair of opposing sealable films (1); -bonding the films to one another with a substantially vertical seal; -cutting the opposing films to form a multiple pouch section (8) comprising at least one pouch part (D) connected to multiple other pouch parts (C, E) by common side edges; and -compressing the multiple pouch section (8) along a general longitudinal axis of the section so as to provide an opening for each pouch part.