método para o processamento de uma mistura de borracha ou de um composto para a fabricação de pneus, o dito processamento compreendendo pelo menos um ciclo de mistura e um ciclo de extrusão

• Main Authors: DANIELE BALASSO, ANTONIO PRONI, GIANLUIGI HOTELLIER
• Format: Patent
• Language: Portuguese
• Published: 30.11.2010
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A rubber mixture or compound is processed by mixing the ingredients and extruding the mixture. The processing steps are controlled by detecting process parameters. The detected values are compared to reference values, and depending on the deviation from these values, an evaluation is attributed. The evaluation is then used to determine in real time the subsequent steps of the production cycle. Processing a rubber mixture or compound involves mixing the initial ingredients, and extruding the mixture to obtain a semi-finished product. The processing steps are controlled by detecting process parameters. The detected values of the process parameters are compared to reference values, and depending on the deviation from these values, an evaluation is attributed to the semi-finished product. The semi-finished product are then classified on the basis of the evaluation attributed. Successive steps for processing the semi-finished product are established depending on the classification.