F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 13/14 (2010.01) B29C 70/58 (2006.01) B32B 5/02 (2006.01) F01N 3/28 (2006.01) F16L 59/02 (2006.01) B01D 53/94 (2006.01)
Patent
CA 2528737
The invention provides a preform insulating end cone (30, 60) suitable for forming the end cone of a pollution control device (10), said preform (30, 60) comprising a cone shaped intumescent or non-intumescent sheet material (40) with or without a plurality of splits (49) enabling said sheet material (40) to be cone shaped and a shape retaining element in intimate contact with said intumescent sheet material (40), said shape retaining elements enabling said intumescent sheet material (40) to maintain a cone shape. The invention also provides methods of making preform insulating end cones (30, 60) of the invention.
Harding Ian R.
Hornback Loyd R. III
Langer Roger L.
Peisert Joseph C.
Sanocki Stephen M.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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