Paperboard Bottle Shell Assembly for High-Speed Base Insertion
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Solution Overview
Problem
Existing containers, such as glass bottles, are heavy and prone to breakage, while alternative pulp-moulded paperboard bottles face issues with shelf life and print application, and there is a need for a cost-effective manufacturing process that matches glass bottle production speed and reliability.
Innovation Solution
A manufacturing apparatus for bottles with a paperboard shell and inner pouch, utilizing a former, clamp elements, neck press assemblies, and clamp units to shape and adhere sheet blanks, with moisture and adhesive application, and heating elements to form the bottle structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If glass bottles are used for wine storage, then durability and shelf life are improved, but weight and transportation cost increase significantly
Solution Approach 1:
The invention changes the material parameters from glass to paperboard shell with plastic liner, fundamentally altering the weight and durability characteristics. The paperboard shell provides structural integrity while the plastic liner ensures wine containment, achieving a balance between light weight and sufficient durability for wine storage and transportation.
Solution Approach 2:
The invention uses a composite structure combining paperboard outer shell with an inner plastic liner. This composite material approach allows the paperboard to provide structural strength and the plastic to provide wine compatibility and sealing, achieving both durability and light weight that neither material could provide alone.
2Weight of moving object
If pulp-moulded paperboard bottles are used, then weight is reduced, but shelf life and print application quality deteriorate
Solution Approach 1:
The invention employs a composite structure with paperboard outer shell and plastic inner liner, where the plastic liner provides the wine-compatible barrier properties necessary for extended shelf life, while the paperboard maintains the light weight advantage. This resolves the contradiction by combining materials that individually address different requirements.
Solution Approach 2:
The invention applies different material qualities to different functional requirements: the paperboard provides structural form and light weight, while the plastic liner provides wine compatibility and shelf life. The pre-printing capability is applied to the paperboard surface before assembly, ensuring high-quality print application that was lacking in pulp-moulded alternatives.
3Manufacturing precision
If flat sheet paperboard is pressed to form bottle shape, then print application and aesthetics are improved, but manufacturing complexity increases
Solution Approach 1:
The invention pre-prints the paperboard sheets before they are formed into bottle shapes. This preliminary action allows high-quality graphics and branding to be applied to the flat sheet material while it maintains its dimensional stability, avoiding the distortion and complexity issues that would arise from attempting to print on pre-formed curved surfaces.
Solution Approach 2:
The invention divides the bottle into separate components: the printed paperboard shell and the plastic liner. This segmentation allows the paperboard to be manufactured and printed separately with high precision and aesthetic quality, then assembled with the liner in a controlled process, reducing overall manufacturing complexity compared to forming a single integrated structure.
4Weight of moving object
If alternative bottle materials are used, then weight and breakage are reduced, but production speed and consistency must match glass bottle manufacturing
Solution Approach 1:
The invention pre-forms and pre-prints the paperboard sheets before final assembly. This preliminary preparation allows the components to be manufactured in advance with high precision, and then quickly assembled in a streamlined process that can match the production speeds of traditional glass bottle manufacturing, overcoming the typical slowness of alternative material production.
Solution Approach 2:
The invention employs a cyclic manufacturing process where paperboard sheets are continuously fed, formed, and assembled in periodic cycles. This periodic action, combined with pre-formed components, enables production rhythms that can synchronize with and match the high-speed continuous production lines used for glass bottle manufacturing.
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
The apparatus enables reliable and high-speed production of paperboard bottles with improved aesthetics and structural integrity, matching glass bottle production efficiency and consistency.
Implementation Method 1
The apparatus may include a heating element configured to apply heat to the adhesive to activate bonding.
Implementation Method 2
The apparatus may include a moisture application assembly configured to apply moisture to the paperboard blanks to enable shaping and forming.
Data Source
AI summary
An apparatus for manufacturing a bottle having a paperboard outer shell and an inner pouch, a side wall of the shell formed from a blank having a main body panel for forming a cylindrical main body portion and a plurality of neck panels for forming a cylindrical neck portion. The cylindrical main body portion has a first diameter, and the cylindrical neck portion has a smaller diameter. The apparatus comprises means for forming a limit feature on an inner surface of the side wall element at a distance from an end of the side wall element, and a base insertion assembly for positioning a base element of the shell with respect to the end of the side wall and inserting the base element into an opening defined by the end of the side wall until an edge region of the base element contacts the limit feature.