公开(公告)号：US3772214A

公开(公告)日：1973-11-13

申请号：US3772214D

申请日：1971-12-15

Applicant: FUJIKURA LTD

Inventor： NAKAMOTO T ,  SHINGO Y ,  TAKEUCHI M ,  OGAWA M

IPC: B01D53/94 ,  B01J23/72 ,  B01J23/755 ,  B01J23/86 ,  B01J35/04 ,  B01J11/06 ,  B01J11/08 ,  B01J11/84

CPC classification number: B01J23/868 ,  B01D53/944 ,  B01J23/72 ,  B01J23/755 ,  B01J35/04

Abstract: A FIBROUS COPPER OXIDE CATALYST FOR RENDERING CARBON MONOXIDE AND RESIDUAL HYDROCARBONS CONTAINED IN THE EXHAUST GAS OF INTERNAL COMBUSTION ENGINES HARMLESS IS MANUFACTURED BY THE STEPS OF PREPARING A WEB OR THE LIKE MADE OF A FINE WIRE OF AN IRON BASE HEAT RESISTANT ALLOY CONTAINING NICKEL AND/OR CHROMIUM, APPLYING A MIXTURE CONSISTING OF COPPER OXIDE, METAL HALIDE AND CARBONACEOUS SUBSTANCE UPON THE SAID WEB TO FORM A LAYER OF THE MIXTURE HAVING A UNIFORM THICKNESS, HEATING THE RESULTING ASSEMBLY IN NON-OXIDIZING ATMOSPHERE AT A TEMPERATURE OF ABOUT 750*C. TO FORM FIBROUS COPPER OR FIBROUS COPPER CONTAINING A SMALL QUANTITY OF ANOTHER METAL, THE FIBROUS COPPER BEING FIRMLY BONDED TO THE SAID WEB, AND OXIDIZING THE RESULTANT COMPOSITE BODY TO FORM A FIBROUS COPPER OXIDE OR AN OXIDE OF A FIBROUS COPPER BASE ALLOY.

公开(公告)号：US3846170A

公开(公告)日：1974-11-05

申请号：US28817372

申请日：1972-09-11

Applicant: FUJIKURA LTD

Inventor： ISAWA K ,  MAEJIMA M ,  KIUCHI K ,  YOKOTA K ,  OGAWA M

IPC: C23C22/00 ,  C23C22/67 ,  H01B13/16 ,  B44D1/18 ,  C23F7/26

CPC classification number: C23C22/67

Abstract: 1. A METHOD OF FORMING AN ELECTRICALLY INSULATING COATING OF ALUMINA AND CHROMIUM OXIDE ON THE SURFACES OF ALUMINUM OR ALUMINUM ALLOY WIRES WHICH COMPRISES PASSING THE WIRES OF ALUMINUM OR AN ALUMINUM ALLOY THROUGH A CHEMICAL CONVERSION TREATING SOLUTION HELD AT 80 TO 110* C. CONTAINING SODIUM CARBONATE AND SODIUM CHROMATE IN A CONCENTRATION OF 20 TO 200 GRAMS PER LITER OF WATER AND IN WHICH THE WEIGHT RATIO OF SODIUM CARBONATE TO SODIUM CHROMATE RANGES FROM 10:5 TO 10:10 TO FORM AN ELECTRICALLY INSULATING COATING OF ALUMINA AND CHROMIUM OXIDE ON THE WIRES.