Paperboard Bottle Forming With Pouch Clamping and Adhesive Bonding
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Solution Overview
Problem
Existing containers, such as glass bottles, are heavy, prone to breakage, and have high transportation costs, while alternative pulp-moulded paperboard bottles face issues with shelf life and printability, and existing machines for manufacturing paperboard bottles struggle with reliability and speed.
Innovation Solution
A machine for manufacturing bottles with a paperboard shell and inner pouch, featuring a former, clamp elements, neck press assemblies, and clamp units, along with moisture and adhesive application systems, to form and secure the shell components efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If glass bottles are used, then durability and shelf life are improved, but weight and transportation costs increase
Solution Approach 1:
The patent changes the material parameters from glass to paperboard shell with plastic liner, fundamentally altering the weight and composition characteristics while maintaining protective function. The paperboard shell provides structural integrity similar to glass but with significantly reduced weight, achieving the desired parameter transformation.
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 form and structural strength while the plastic liner provides durability and barrier properties, combining advantages of both materials to replace glass effectively.
2Weight of moving object
If pulp-moulded paperboard bottles are used, then weight is reduced, but shelf life and printability deteriorate
Solution Approach 1:
The patent employs a composite structure where the paperboard shell maintains the lightweight advantage while the added plastic liner component provides the necessary barrier properties for extended shelf life. This composite approach resolves the limitation of pulp-moulded paperboard by combining materials with complementary properties.
3Weight of moving object
If pulp-moulded paperboard bottles are used, then weight is reduced, but printability deteriorates
Solution Approach 1:
The patent applies print to the paperboard shell before the forming process, when the material is still in flat sheet form. This preliminary action allows for high-quality printing on a flat surface, which is then transferred to the formed bottle, achieving excellent printability that would be difficult to obtain on pre-formed pulp-moulded containers.
4Productivity
If machines manufacture paperboard bottles, then production speed can be increased, but reliability and consistency deteriorate
Solution Approach 1:
The patent divides the bottle formation process into distinct sequential stages: blank preparation, shell forming around the liner, sealing, and finishing. Each stage is handled by specialized machine components, allowing high-speed operation while maintaining consistency through standardized, repeatable processes for each segment.
Solution Approach 2:
The invention utilizes controlled changes in moisture content and temperature during the forming process to ensure consistent results. By carefully managing these parameters throughout the high-speed manufacturing process, the machine achieves both rapid production and reliable, consistent bottle quality.
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 machine enables reliable and high-speed production of paperboard bottles with improved aesthetics and printability, reducing waste and transportation costs.
Implementation Method 1
an assembly for applying moisture to the blanks
Implementation Method 2
an applicator configured to apply adhesive to a first surface of at least one of the blanks
Implementation Method 3
The apparatus may include a first heating element arranged to apply heat to a first region of the adhesive
Implementation Method 4
first and second clamp elements configured to shape said main body panels around a main body section of the former
Data Source
AI summary
An apparatus for manufacturing a bottle comprising an inner pouch and an outer paperboard shell, the shell made from a sheet blank comprising a main body panel, a first neck panel and a second neck panel. An apparatus for use in manufacturing a bottle comprises a former having a cavity for receiving the pouch, the former comprising a main body section, a neck section and a shoulder section; at least two neck press elements, each neck press element being moveable into a clamping position to clamp a part of one of said neck panels between the neck press element and the neck section of the former; and at least two shoulder press elements, each shoulder press element being moveable into a clamping position to clamp a part of one of neck panels between the shoulder press element and the shoulder section of the former.