PROCESS FOR MAKING EXPANSION JOINT MATERIAL

A process of producing an asphalt-impregnated fiberboard comprises the steps of forming an aqueous slurry of a fibrous material, asphalt and rubber, mixing the slurry to uniformly distribute its components, dewatering the slurry to form a wet mat, pressing the wet mat to consolidate it, and drying t...

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Bibliographische Detailangaben
Hauptverfasser:	MIGLIORINI, FRED L, BETZNER, WILLIAM E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	A process of producing an asphalt-impregnated fiberboard comprises the steps of forming an aqueous slurry of a fibrous material, asphalt and rubber, mixing the slurry to uniformly distribute its components, dewatering the slurry to form a wet mat, pressing the wet mat to consolidate it, and drying the consolidated wet mat. Fiberboards made by the process can be employed as durable resilient expansion joints between various types of structural members.