Metal fusion bonding – Process – Metal to nonmetal with separate metallic filler
Patent
1979-04-06
1981-02-17
Ramsey, Kenneth J.
Metal fusion bonding
Process
Metal to nonmetal with separate metallic filler
228188, 219127, B23K 923
Patent
active
042510180
ABSTRACT:
A curved section is provided for connecting in a conduit through which passes a fluid stream having solid material entrained therein. A plurality of wear strips are attached to the inside wall of the curved section. They are positioned for the solid material to impinge thereon as the fluid stream changes its direction of flow as it passes through the curved section. The wear strips are elongated members of wear resistant material positioned side-by-side along the inside wall against which the solid material impinges. The abutting sides of adjacent wear strips are beveled so that the outer edges of one adjacent strip extends over the inner edge of the other adjacent strip to provide a continuous surface of wear resistant material in the path of the entrained solid material. The wear strips are attached to the side wall of the curved section by bodies of weld metal located in openings in the wear strips that are smaller in cross-sectional area djacent the wall to which the members are attached than they are on their outside exposed surfaces and the weld metal is applied by sequentially puddling small amounts of weld metal in first one than another of the openings so that the wear strips are not raised to a temperature that would cause the cracking of the hard wear material due to thermal stress.
REFERENCES:
patent: 1183308 (1916-05-01), Lepley et al.
patent: 1637750 (1927-08-01), Kilham
patent: 1858883 (1932-05-01), Cook et al.
patent: 3204083 (1965-08-01), Fromm et al.
patent: 4137681 (1979-02-01), Pasley
Eickenroht Marvin B.
Met-L-Parts, Inc.
Ramsey Kenneth J.
Thompson Jennings B.
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