MULTIPLE HEARTH FURNACE

World Intellectual Property Organization Patent

APP PUB NO WO-2008099024-A1
SERIAL NO

PCTEP2008051908

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Abstract

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A multiple hearth furnace comprises a rabble arm (26) with a tubular structure (120, 124, 186) and a solid plug body (110). The latter is received in a socket (100) arranged in an arm fixing node (28). It has an axial through boring (132) and cooling fluid supply and return channels (146) arranged around this through boring (132). A clamping bolt (150) is rotatably fitted in the through boring (132). It has a bolt head (154), which can be brought by rotation into and out of hooking engagement with an abutment surface (162) on the arm fixing node (28). A threaded end (158) of the clamping bolt (150) sticks out of the through boring (132) at the rear end of the plug body (110). A threaded sleeve (160), which is screwed onto this threaded end (158), bears on an abutment surface (162) at the rear end of the plug body (110) for exerting a clamping force onto the clamping bolt (150).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
WURTH PAUL SALULUXEMBURG LUXEMBURG

International Classification(s)

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Inventor(s)

Inventor Name Address
LONARDI EMILE L-4945 BASCHARAGE
HUTMACHER PATRICK 3282 BETTEMBOURG
TOCKERT PAUL 6830 BERBOURG
KRAEMER EDGAR HELLANGE

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