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METHOD FOR PRODUCING A CERAMIC HONEYCOMB FILTER
A method for producing a ceramic honeycomb filter comprising a ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls made of a material comprising cordierite as a main crystal, and plugs formed in predetermined flow paths of said ceramic honeycomb structure, comprises charging a plugging material comprising at least 100 parts by mass of ceramic particles, 5 to 20 parts by mass on a solid basis of colloidal oxide and 1.5 to 4 parts by mass of a binder into the predetermined flow paths of said ceramic honeycomb structure, and drying said plugging material by microwave heating or high-frequency dielectric heating to form said plugs; said ceramic particles having a particle size distribution comprising at least a first peak and a second peak lower than said first peak, said first peak being in a particle size range of 100 to 200 µm, and said second peak being in a particle size range of 10 to 30 µm.
METHOD FOR PRODUCING A CERAMIC HONEYCOMB FILTER
A method for producing a ceramic honeycomb filter comprising a ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls made of a material comprising cordierite as a main crystal, and plugs formed in predetermined flow paths of said ceramic honeycomb structure, comprises charging a plugging material comprising at least 100 parts by mass of ceramic particles, 5 to 20 parts by mass on a solid basis of colloidal oxide and 1.5 to 4 parts by mass of a binder into the predetermined flow paths of said ceramic honeycomb structure, and drying said plugging material by microwave heating or high-frequency dielectric heating to form said plugs; said ceramic particles having a particle size distribution comprising at least a first peak and a second peak lower than said first peak, said first peak being in a particle size range of 100 to 200 µm, and said second peak being in a particle size range of 10 to 30 µm.
METHOD FOR PRODUCING A CERAMIC HONEYCOMB FILTER
VERFAHREN ZUR HERSTELLUNG EINES KERAMIK-WABENFILTERS
PROCÉDÉ DE FABRICATION D'UN FILTRE À NID D'ABEILLE EN CÉRAMIQUE
NOGUCHI ATSUHIRO (author) / SOGA WATARU (author)
2020-03-04
Patent
Electronic Resource
English
Method and apparatus for producing ceramic honeycomb filter
| European Patent Office | 2020
MANUFACTURING METHOD OF CERAMIC HONEYCOMB FILTER AND CERAMIC HONEYCOMB FILTER
| European Patent Office | 2019