METHOD FOR CONTROLLING LIQUEFIED GAS-MIXING TIMING IN ON SITE-SPRAYING TYPE FOAM MAKER

PROBLEM TO BE SOLVED: To provide a new method for controlling a liquefied gas-mixing timing, hardly causing problems wherein excessive feed or insufficient feed of carbon dioxide is sometimes caused because of the not synchronized feeding timing of the liquefied gas in a conventional spray foaming d...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIWATARI HIDEKAZU, MYOJIN AKIRA, BABA KAZUHIRO, KUBOTA YUKIO, OKUYA TATSUYA, CHO SHUNGYO, YOSHIDA HITOYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a new method for controlling a liquefied gas-mixing timing, hardly causing problems wherein excessive feed or insufficient feed of carbon dioxide is sometimes caused because of the not synchronized feeding timing of the liquefied gas in a conventional spray foaming device in a site-spraying type using the liquefied gas such as carbon dioxide as a foaming agent. SOLUTION: The method for controlling the liquefied gas-mixing timing includes feeding two or more kinds of plastic foam raw materials to a spray gun G while mixing the liquefied gas with at least one thereof, detecting the ejecting operation of the spray gun G and mixing the liquefied gas so as to be synchronized with the detection when ejecting all of the raw materials in a pressurized state from the spray gun G while mixing them. COPYRIGHT: (C)2009,JPO&INPIT