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6736875 |
Composite cordierite filters
Composite cordierite honeycomb structures especially suitable for diesel exhaust filtration applications comprise a non-oxide polycrystalline phase constituting 10-70% by weight, with the remainder...
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6716512 |
Honeycomb structure and process for production thereof
A honeycomb structure having, in the axial direction, a number of through-channels separated by partition walls, which honeycomb structure contains refractory particles and a vitreous component and...
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5859729 |
Zoom lens device with four lens unit
A zoom lens device including a total of four lens units, which are in order of lens units from the lens unit closest to an object side, a first lens unit having a positive refractive power, a...
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5648029 |
Method of manufacturing inserts preferably for machining of heat resistant materials
A method of manufacturing whisker reinforced ceramic bodies with new and improved properties. By replacing the tool pressing with injection molding, surprisingly a more homogeneous structure and...
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5601764 |
Process for making TiC-base/SiC whisker composite ceramic cutting tools
A ceramic cutting tool of a TiC-based sintered body containing 40 wt % or more of TiC, and 5 to 40 wt % of SiC whisker uniformly dispersed in the sintered body, said SiC whisker having a diameter...
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5574957 |
Method of encasing a structure in metal
An improved method is disclosed for encasing an object in a shell or layer of outer material. The encased object and the outer material are formed from sinterable metal or ceramic particulate...
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5568652 |
Rapid setting compositions and method of making and using same
A method of making a homogeneous formable mixture involves simultaneously mixing organic binder which can be cellulose ethers, cellulose ether derivatives, and combinations of these, powder...
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5566667 |
Smoke filter with automated clogging prevention for open-hearth fireplaces
This invention discloses a filter-and-fan assembly that can be installed into new fireplaces or retrofitted into existing fireplaces, for filtering dust and smoke out of the hot exhaust gases that...
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5449647 |
Silicon carbide whisker reinforced cutting tool material
There is now provided an oxide based ceramic cutting insert for chipforming machining of heat resistant alloys comprising a ceramic oxide based matrix and 5-50% by volume of homogeneously dispersed...
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5445786 |
Heat-resistant metal monolith and manufacturing method therefor
A heat-resistant metallic monolith manufactured by forming metal powders into a honeycomb structure and by sintering the structure, a heat-resistant metal oxide coated on the surface of the cell...
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5306565 |
High temperature ceramic composite
A composite ceramic structure which does not fail catastrophically and thus is useful as a ceramic rolling contact bearing assembly is disclosed. The structure is a ceramic monolith bonded through...
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5221645 |
Composite shaped articles comprising reinforced vitreous matrices
Composite shaped articles, well adapted for aerospace applications, include a vitreous matrix and an effective amount of a reinforcing agent therefor, preferably a fibrous and ceramic reinforcing...
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5130277 |
Ceramic composite material and process of manufacturing thereof
A MgO/SiC composite material in which SiC particles with nano-meter order in size are dispersed within MgO matrix grains can be prepared by hot-pressing the mixture of fine MgO and SiC powders....
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4961757 |
Reinforced ceramic cutting tools
Cutting tools are disclosed which are comprised of composite bodies comprising a ceramic matrix reinforced by ceramic whiskers. The ceramic matrix may be alumina or silicon nitride, and may contain...
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4948758 |
Fiber-reinforced composite comprising mica matrix or interlayer
Ceramic matrix composite articles comprising a ceramic, glass-ceramic or glass matrix and a fiber reinforcement phase disposed within the matrix consisting of amorphous or crystalline inorganic...
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4946807 |
Composite ceramic material reinforced with silicon carbide whiskers
A composite ceramic material reinforced with silicon carbide whiskers consists essentially of 5 to 45% by weight of SiC whiskers, 3 to 20% by weight of at least one selected from the group...
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4935387 |
Fiber-reinforced composite comprising mica matrix or interlayer
Ceramic matrix composite articles comprising a ceramic, glass-ceramic or glass matrix and a fiber reinforcement phase disposed within the matrix consisting of amorphous or cyrstalline inorganic...
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4920838 |
Method of cutting with ceramic cutting tool having improved toughness behavior
This invention relates to a cutting tool material with improved toughness behavior. The improved toughness behavior is obtained by using carefully selected reinforcing materials. The objectives of...
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4889836 |
Titanium diboride-based composite articles with improved fracture toughness
Composite articles, cutting tools and wear parts are prepared by densification of a mixture comprising whiskers, fibers, or particles of hard refractory transition metal carbides, nitrides or...
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4871621 |
Method of encasing a structure in metal
An improved method for encasing objects in metal is disclosed as are the novel encased objects so prepared. An object is wrapped with a sheet comprising sinterable particulate or powdered metal and...
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4868142 |
Method of manufacturing a molten metal-resistant ceramic fiber composition
A method of manufacturing a molten metal-resisting ceramic fiber composition includes mixing ceramic fibers, a frit, ceramic additives, a low temperature binder, and water. The mixture is formed...
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4863490 |
Titanium diboride-based composite articles with alumina dispersoids, having improved fracture toughness
Composite articles, cutting tools, and wear parts are prepared by densification of a mixture comprising alumina whiskers, chopped fibers, or particles uniformly distributed in a titanium diboride...
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4853350 |
Extruded whisker-reinforced ceramic matrix composites
Whisker-reinforced ceramic matrix composites comprising a principal crystal phase selected from the group of anorthite, barium-stuffed cordierite, and mixed cordierite/anorthite are prepared by...
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4849381 |
Ceramic cutting tool with improved toughness behavior
This invention relates to a cutting tool material with improved toughness behavior. The improved toughness behavior is obtained by using carefully selected reinforcing materials. The objectives of...
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