US 4,888,242 AGranted

Graphite sheet material

AssigneeToyo Tanson Co., Ltd.

InventorsKoichiro Matsuo, Kazuhiro Maekawa, Teruhisa Kondo

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Abstract

A refractory heat-insulating graphite sheet material characterized in that the material comprises a graphite sheet.

Claims12

Dependent claims

A refractory heat-insulating graphite sheet material characterized in that the material comprises an expanded graphite sheet having an impurity content of not higher than 100 ppm.

Dependencies are inferred from the claim text.

Facts

Application: 07/053,645Filed 26 May 1987
Priority: JP 61-12189327 May 1986
Granted: 19 Dec 1989
Term ends: Not estimatedThe source records don’t support an estimate.

Classification29 codes

B32B 3/28
Characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or…
B32B 9/007
Comprising one layer of ceramic material, e.g. porcelain, ceramic tile: comprising carbon, e.g. graphite, composite carbon
C03B 5/43
Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls: use of materials for furnace walls, e.g.…
C04B 35/522
Based on carbon, e.g. graphite: graphite

Family

No related US applications are recorded in the indexed filing history.

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