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    • 4. 发明授权
    • Heat resisting metal fiber sintered body
    • 耐热金属纤维烧结体
    • US6063332A
    • 2000-05-16
    • US719575
    • 1996-09-25
    • Masato ImamuraKiichi NakajimaAkira YanagisawaMasao Kaneko
    • Masato ImamuraKiichi NakajimaAkira YanagisawaMasao Kaneko
    • B22F5/00B21F45/00B22F3/00B22F3/11B22F9/04B23P17/06C22C33/02C22C38/00C22C38/18F28F3/02F28F13/00B22F1/00B23P17/00
    • B23P17/06B21F45/00B22F3/002B22F9/04F28F13/003F28F3/025B22F2009/046Y10S83/913Y10T29/14Y10T29/142Y10T29/49801Y10T82/10
    • The method of making the metal fiber sintered body includes making a coiled material by coiling a thin sheet of Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce stainless steel; making a tow of Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce continuous fibers by lathe turning an end face of the coiled material at a tool feed speed of from 5 to 40 .mu.m/rev; extending the tow in a width direction and cutting the tow with a roller type cutting assembly to form Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce stainless steel fibers having a fiber length of 20 to 200 mm; feeding the Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce stainless steel fibers having the fiber length of 20 to 200 mm to a conveyor; dropping the stainless steel fibers onto the conveyor and dispersing the stainless steel fibers by making an air current act on the stainless steel fibers; transporting the resulting sheet-shaped accumulation on the conveyor and compressing it to form a web and sintering the web. The stainless steel fibers have a thickness of from 7.5 to 180 .mu.m, a width of from 10 to 170 .mu.m and are from 17 to 21% by weight Cr, from 2.5 to 6.5% by weight Al, from 0.02 to 0.25% by weight of La, Y or Ce in addition to their iron content.
    • 制造金属纤维烧结体的方法包括:通过卷绕Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce不锈钢薄片来制造卷材; 通过车床使丝网中的Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce连续纤维丝束丝,以5〜40μm的刀具进给速度转动卷材的端面 m / rev; 在宽度方向上延伸丝束并用辊式切割组件切割丝束以形成纤维长度为的Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce不锈钢纤维 20〜200mm; 将纤维长度为20〜200mm的Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce不锈钢纤维进料到输送机上; 将不锈钢纤维落在输送机上,通过使气流作用在不锈钢纤维上来分散不锈钢纤维; 将所得到的片状积聚物输送到输送机上并压缩,形成网状物并烧结网状物。 不锈钢纤维的厚度为7.5〜180μm,宽度为10〜170μm,为17〜21重量%,Cr为2.5〜6.5重量%,Al为0.02〜0.25重量% La,Y或Ce的重量除铁含量外。
    • 8. 发明授权
    • Spacing ring for tubes in high temperature environment
    • 在高温环境中用于管子的间隔环
    • US5056832A
    • 1991-10-15
    • US444535
    • 1989-12-01
    • Yukihiro NagagawaAlan L. Brittingham
    • Yukihiro NagagawaAlan L. Brittingham
    • F01N1/24F01N13/08F16L21/02F16L59/12F16L55/02
    • F16L59/12F01N13/1811F01N13/1827F01N2260/10F01N2310/04F01N2310/14Y10S285/917Y10T29/14Y10T29/147
    • A spacing ring for placement between a radially inwardly facing annular surface on a first member and a radially outwardly facing annular surface on a second member to maintain the first and second members in predetermined radially spaced relationship. The ring consists of a plurality of matted threads formed into an annular configuration. The ring has a radially inwardly facing surface to surroundingly engage the radially outwardly facing annular surface on the second member and a radially outwardly facing surface to be surroundingly engaged by the inwardly facing annular surface of the first member with the radially inwardly facing annular surface on the first member and the radially outwardly facing annular surface on the second member in axially overlapping relationship. The invention also contemplates a method of forming the spacing ring. The wool material is wrapped around an annular surface ona core bar. The wool material is both radially and axially compacted on the core bar with a predetermined compressive force.
    • 间隔环,用于放置在第一构件上的径向向内面对的环形表面和第二构件上的径向向外的环形表面之间,以将第一和第二构件保持在预定的径向间隔关系。 该环由形成为环形构造的多个无衬线构成。 环具有径向向内的表面,以周向地接合在第二构件上的径向向外面对的环形表面和径向向外的表面,以与第一构件的面向内的环形表面周向地接合,其中径向向内的环形表面 第一构件和第二构件上的径向向外的环形表面以轴向重叠的关系。 本发明还考虑了形成间隔环的方法。 羊毛材料缠绕在芯棒上的环形表面上。 羊毛材料在芯棒上以预定的压缩力径向和轴向压实。