| US 7,491,057 B2 | ||
| Firing furnace, manufacturing method of a ceramic member using the firing furnace, ceramic member, and ceramic honeycomb filter | ||
| Takamitsu Saijo, Ibi-gun (Japan); Yuichi Hiroshima, Ibi-gun (Japan); and Koji Higuchi, Ibi-gun (Japan) | ||
| Assigned to Ibiden Co., Ltd., Ogaki-shi (Japan) | ||
| Filed on Jul. 06, 2005, as Appl. No. 11/174,483. | ||
| Claims priority of application No. 2004-233626 (JP), filed on Aug. 10, 2004; and application No. PCT/JP2005/002626 (WO), filed on Feb. 18, 2005. | ||
| Prior Publication US 2007/0202455 A1, Aug. 30, 2007 | ||
| Int. Cl. F27B 11/00 (2006.01) | ||
| U.S. Cl. 432—206 [432/9; 432/247] | 8 Claims |
| 1. A manufacturing method for producing a ceramic member in a firing furnace including a muffle and a space for housing a
formed body to be fired inside the muffle, a heater or a heat generator serving as the heater and placed outside the muffle,
and a plurality of heat insulating carbon layers, fixed by carbon stoppers, and enclosing said heater or said heat generator,
said method comprising:
a step of firing the formed body with the firing furnace to form said ceramic member; and
a step of heating said muffle and said space for housing the formed body while suppressing with said plurality of heat insulating
carbon layers a temperature increase on outer ones of the heat insulating carbon layers and while fixing the plurality of
heat insulating carbon layers with the carbon stoppers.
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