PREPARATION OF RESIN IMPREGNATED BASE MATERIAL FOR LAMINATE

PURPOSE:To obtain resin impregnated base material small in difference of dryness between the middle part and the end part by a method wherein when a resin impregnated base material is dried by blowing hot air, the quantity of hot air blown thereon is adjusted to provide the resin impregnated base ma...

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Bibliographische Detailangaben
Hauptverfasser:	KONDOU MASAO, NAGATA TERUO, NAKAI MASAO, NARUSE TETSUROU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS 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 THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain resin impregnated base material small in difference of dryness between the middle part and the end part by a method wherein when a resin impregnated base material is dried by blowing hot air, the quantity of hot air blown thereon is adjusted to provide the resin impregnated base material. CONSTITUTION:Base materials such as paper, glass cloth, glass unwoven fabric, etc. are dipped into resin varnish such as phenol resin, epoxy resin to prepare resin impregnated base material. This base 5 is introduced into a hot air drier provided with the 1st chamber 1, the 2nd chamber 2, the 3rd chamber 3, the 4th chamber 4, passed through the 1st chamber 1-the 4th chamber 4 in this order and dried by the hot air blown from nozzles 7. In this case, part 7a of the nozzles 7 have hot air blowing holes 71 on the whole front surface while holes 71 in the middle part of other nozzles 7b are covered with a shielding plate 72. Accordingly, the quantity of hot air blown on the middle part of the base material is adjusted and the dryness in the middle part becomes nearly equal to that of the end part.