DIE FOR FORMING HONEYCOMB STRUCTURE AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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app pub date -
Dec 1, 2014
filing date -
Jun 4, 2012
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Abstract
Disclosed is a die for forming a honeycomb structure, including: a second plate-shaped portion that has a second bonded surface, where a back hole for introducing a forming raw material is formed; and a first plate-shaped portion that has a first bonded surface, where a slit communicating with the back hole to form a forming raw material is formed, and a cavity communicating with the back hole and the slit is formed in the first bonded surface side, wherein the first plate-shaped portion is arranged on the second plate-shaped portion, an open end of the cavity on the first bonded surface has a diameter different from that of an open end of the back hole on the second bonded surface, and the open end of the cavity on the first bonded surface is arranged inside the open end of the back hole on the second bonded surface.
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