Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Patent
1977-03-28
1978-09-05
Mehr, Milton S.
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
164103, 164111, 164112, B22D 1904
Patent
active
041108949
ABSTRACT:
A method and apparatus for producing a conduit intended for communication with a plurality of working-medium sources, which conduit includes at least two connecting elements spaced apart along the length of the conduit and secured thereto. Each connecting element has a through passage communicating with the passage of the conduit and intended for connection with a source of a working-medium. The axis of the through passage is perpendicular to a plane passing through the conduit axis. To make such a conduit, a continuous-surface conduit is fed under pressure to a die-casting machine and is placed in its casting die. The shape of the casting die corresponds to that of connecting elements, in such a way that the axis of a core forming the through passage of each connecting element in the casting die is offset with respect to the conduit's axis with a distance therebetween being sufficient to obtain a strong and tight coupling of the connecting element with the conduit and access is provided for a working tool adapted to make a duct communicating or connecting the through passage with the conduit from the side of the former. Thereafter, the connecting elements are formed by a known method, and the coupling of the conduit with the connecting elements is obtained by means of a pressing force arising on the external surface of the conduit during the period of crystallization of the connecting element's material. A duct for communication or connection of the through passage in the connecting element with the conduit passage is then made by a known method.
The conduits produced by the method of the invention are successfully used in diesel engines.
REFERENCES:
patent: 138176 (1873-04-01), Miller
patent: 3118225 (1964-01-01), McAndrews
patent: 3439732 (1969-04-01), Andreoli
patent: 3461945 (1969-08-01), Trimble et al.
patent: 3888295 (1975-06-01), Schillinger
Miller David Samuilovich
Zuev Alexandr Borisovich
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