Filter Tube Production Line With In-Line Web Embossing
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Solution Overview
Problem
Existing plants for producing filter tubes face issues with pre-embossed paper rolls occupying excessive space, difficulty in handling and transporting, and risk of embossing damage during storage, leading to inefficiencies and compromised product quality.
Innovation Solution
Incorporating an embossing unit into the production line to emboss the paper web in real-time, eliminating the need for pre-embossed rolls, which reduces storage space requirements, enhances production flexibility, and minimizes damage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pre-embossed paper rolls are used, then the connecting strips have a pleasant texture for the smoker, but the rolls occupy larger space and are difficult to store and transport
Solution Approach 1:
The embossing operation is performed in advance on the paper web before it is wound into rolls. This allows the paper to have the desired texture while being stored and transported in a compact, smooth-rolled state, eliminating the space problem while preserving the texture quality for final application.
Solution Approach 2:
The production process is segmented into distinct stages: web embossing, web winding into rolls, and final unrolling/application. The embossing is applied to the web in a flat state before winding, separating the embossing function from the rolling/storage function, thus allowing compact storage while maintaining texture quality.
2Ease of operation
If pre-embossed paper rolls are used, then the connecting strips have a pleasant texture for the smoker, but the embossing may be damaged during storage compromising product quality
Solution Approach 1:
The embossing is performed on the paper web before it is wound into rolls for storage. During storage and transport, the rolls maintain a smooth external surface that protects the embossed pattern from damage. The embossing is preserved within the roll structure without being exposed to external pressures or handling that could compromise its integrity.
3Volume of stationary object
If rolls with smaller dimensions are used, then storage space is reduced, but the rolls require frequent changes
Solution Approach 1:
The paper web is embossed before winding into rolls, allowing the use of larger diameter rolls without compromising the embossed quality. These larger rolls contain more paper length, reducing the frequency of roll changes while maintaining the desired texture quality, thus improving production continuity without increasing storage space requirements.
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 solution improves operating efficiency by reducing roll volume, ensuring higher quality products by controlling embossing intensity, and maintaining product integrity during handling and storage.
Implementation Method 1
an embossing unit, located along said feed path in position interposed between said unwinding unit and said applicator device, said embossing unit being configured to print an embossing on said web
Data Source
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AI summary
A plant (1) for the production of filter tubes, comprising feed means for feeding a succession of hollow tubular elements and a filter tip attachment machine (N) for combining, at a combiner drum (E), at least one filter segment with each hollow tubular element so as to form a respective group of segments. The plant (1) comprises an applicator device (G) operatively positioned downstream of the combiner drum (E) and configured to receive a web (S) unwound from an unwinding unit (A), to divide the web (S) into connecting strips and to apply each connecting strip in a flag-like manner on a respective group of segments. The plant (1) comprises an embossing unit (100), disposed at a position interposed between the unwinding unit (A) and the applicator device (G) along a feed path of the web (S) to print an embossing on said web (S).