JPS6011629B

PURPOSE:To prevent the lower flexibility with a thinner fluoric rubber layer by means of a rubber layer on the circumference of a fluoric rubber film formed at a desired thickness dried after a fluoric rubber solution is applied on the surface of the mandrel. CONSTITUTION:A mandrel 3 is immersed int...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIMOTO MASATOSHI, TOMITA HISATAKA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS JOINTS OR FITTINGS FOR PIPES LIGHTING MAKING GRANULES OR PREFORMS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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 SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent the lower flexibility with a thinner fluoric rubber layer by means of a rubber layer on the circumference of a fluoric rubber film formed at a desired thickness dried after a fluoric rubber solution is applied on the surface of the mandrel. CONSTITUTION:A mandrel 3 is immersed into a tank 1 having a methyl keton solution 2 of a fluoric rubber therein. After excess solution is removed with a scraper 5, the fluoric rubber solution is evenly applied on the entire circumference of the mandrel 3 at a specified thickness. Then, after dried in the dryer at 40-60 deg.C, the mandrel 3 covered with a fluoric rubber film 7 is introduced into the extruder 8 while fed with an NBR rubber to form a inner tube layer 9 on the circumference of the film 7. Then, after provided on the circumference of the layer 9 with a polyester reinforced layer 10, it is introduced into the extruder 11 to form a covering rubber layer 12. Thereafter, the mandrel is separately by separating the joint to obtain a hose of fixed length.