Methods and plants for creating cellulose-based webs
JP2026517589APending Publication Date: 2026-06-02COMAS CONSTR MASCH SPECIALI SPA
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- COMAS CONSTR MASCH SPECIALI SPA
- Filing Date
- 2024-03-25
- Publication Date
- 2026-06-02
AI Technical Summary
Technical Problem
Existing methods for producing webs from tobacco-based mixtures are not optimized for cellulose-based materials with high cellulose content and low liquid content, leading to unsuitable processing due to differences in viscosity, elasticity, density, and other mechanical properties.
Method used
A method involving double vertical lamination and scraping of semi-finished products, combined with multi-stage horizontal lamination, is used to produce a continuous cellulose-based web, utilizing a compact and simplified plant setup.
Benefits of technology
The method achieves a high-quality continuous web with controlled thickness and density, optimizing processing for cellulose-based materials while reducing energy consumption.
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Smart Images
Figure 2026517589000001_ABST
Abstract
A method for producing a continuous web (N) from a cellulose-based material comprises the steps of supplying a first amount of at least one liquid and a second amount of a dry fibrous and / or ground or powdered product into a mixing space (V) of a kneader (100), wherein the dry product comprises cellulose. The method comprises the steps of mixing a second amount of the dry product with a first amount of the liquid in the kneader (100) to obtain a mixture, and subsequently forming a continuous web (N) from the mixture. In particular, the step of forming a continuous web (N) is achieved by performing a first step of laminating the mixture through a first pair of rollers (200) to obtain a laminated semi-finished product, and a second step of laminating the laminated semi-finished product through a second pair of rollers (300) to obtain a continuous web (N).
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