| 摘要 |
1,134,294. Making wire; grit blasting. METCO Inc. 3 April, 1967 [3 June, 1966], No. 15090/67,. Headings B3A and B3D. [Also in Division C7] An Mo or Mo alloy flame spray wire is provided, at intervals not exceeding one foot, with either roughened surface areas having sharp projections or sharp shoulders which may circumscribe it. Roughening may be effected by grit blasting, preferably with an angular chilled iron grit between G25 and G40 SAE mesh size. Si carbide,- A1 oxide and SiO 2 grits or coarse sand may be used, or roughening may be carried out by knurling or etching. |
