Stock material or miscellaneous articles – Structurally defined web or sheet – Honeycomb-like
Reexamination Certificate
2006-05-02
2006-05-02
Xu, Ling (Department: 1775)
Stock material or miscellaneous articles
Structurally defined web or sheet
Honeycomb-like
C428S188000, C428S192000, C428S073000, C428S034400, C428S689000, C502S439000
Reexamination Certificate
active
07037567
ABSTRACT:
A honeycomb structure includes a plurality of honeycomb segments each having a number of throughholes divided from each other by partition walls and extending in the axial direction of honeycomb segment, wherein the honeycomb segments are bonded at their surfaces parallel to the axial direction to form an integrated body, such that the honeycomb segments comprise those honeycomb segments in which the outer portion 6 has a larger per-unit-volume heat capacity than the central portion does.
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Gulati “Strength and Thermal Shock Resistance of Segmented Wall-Flow Diesel Filters”, SAE Technical Paper Series, pp. 11-18.
Hashimoto Shigeharu
Ito Tadato
NGK Insulators Ltd.
Oliff & Berridg,e PLC
Xu Ling
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