Heat-treating-furnace roll and method of heat-treating metal strip therewith专利检索-耐火粘土玻璃和陶瓷专利检索查询-专利查询网

Heat-treating-furnace roll and method of heat-treating metal strip therewith

阅读：932发布：2021-02-12

专利汇可以提供Heat-treating-furnace roll and method of heat-treating metal strip therewith专利检索，专利查询，专利分析的服务。并且Roll of the invention includes a roll body of metal and a sleeve, made up of fused silica particles sinter bonded with colloidal silica or cement, or a mixture of fused silica particles and particles of other oxides sinter bonded with colloidal silica or cement, or sinter bonded fireclay granules, fixedly surrounding the roll body. Method of the invention consists of the steps of supporting strip which is being heattreating at a temperature above 1000*F by a surface consisting of sintered fused silica particles, sintered fused silica mixed with other oxide particles, or sintered fireclay granules to inhibit formation of accretions on the supporting surface.，下面是Heat-treating-furnace roll and method of heat-treating metal strip therewith专利的具体信息内容。

权利要求

2. The heat treatment of metal strip according to claim 1 in which said strip is supported during the heat treatment by a surface consisting of sinter bonded fused silica.

3. The heat treatment of metal strip according to claim 1 in which said strip is supported during the heat treatment by a surface consisting of sinter bonded fused silica having a content of up to 20 percent of at least one of the group consisting of fireclay, CaO, MgO, Al2O3, ZrSiO4, and Cr2O3.

4. The heat treatment of metal strip according to claim 1 in which said strip is supported during the heat treaTment by a surface consisting of granular fireclay sinter bonded with a cold set binder. 5. A roll for supporting objects at elevated temperatures comprising a roll body, porous sleeve surrounding said roll body, said sleeve being composed of one of the group consisting of sinter bonded fused silica; sinter bonded fused silica having a content of up to 20 percent of at least one of the group consisting of fireclay, CaD, MgO, A12O3, ZrSiO4, and Cr2O3.

6. A roll according to claim 5 in which said sleeve has a maximum thermal coefficient of expansion from 0* to 1800*F of approximately 0.5 X 10 6.

7. A roll according to claim 5 in which said sleeve has a maximum thermal coefficient of expansion from 0* to 1800*F of approximately 0.3 X 10 6.

8. A roll according to claim 5 in which said sleeve consists substantially of fused silica fines sinter bonded with a colloidal silica binder.

9. A roll according to claim 5 in which said sleeve consists substantially of fused silica fines sinter bonded with a cement binder.

10. A roll according to claim 5 in which said sleeve consists substantially of a mixture of fused silica fines and up to 20 percent of at least one of the group consisting of fireclay, CaO, MgO, A12O3, ZrSiO4, and Cr2O3, said mixture being sinter bonded with a colloidal silica binder.

11. A roll according to claim 5 in which said sleeve consists substantially of a mixture of fused silica fines and up to 20 percent of at least one of the group consisting of fireclay, CaO, MgO, A1203, ZrSiO4, and Cr2O3, said mixture being sinter bonded with a cement binder.

12. A roll for supporting objects at elevated temperatures comprising a roll body, a porous sleeve surrounding said roll body, said sleeve being composed substantially of granular fireclay sinter bonded with a cold set binder.

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Heat-treating-furnace roll and method of heat-treating metal strip therewith

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