Frustum-shaped insulation for a pollution control device

Details Frustum-shaped insulation for a pollution control device Frustum-shaped insulation for a pollution control device

2011-03-01

2011-03-01

Smith, Duane (Department: 1776)

Gas separation

Specific media material

Ceramic or sintered

C055S527000, C055SDIG030, C428S221000

Reexamination Certificate

active

07896943

ABSTRACT:
A preformed insulation mat is provided for use between the inner and outer end cone housing of a pollution control device. The preformed insulation includes a frustum-shaped mat. The mat is formed of primarily heat moldable, silica based glass fibers containing Al2O3and is molded at a selected temperature and for a selected time duration to heat set the fibers, whereby the frustum-shaped mat is seamless and self-supporting, requiring no shape no shape retaining elements or chemical binders.

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International Search Report and Written Opinion (PCT/US09/32105) issued Mar. 27, 2009.

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