Method and apparatus for manufacturing and forming engine induct

Details Method and apparatus for manufacturing and forming engine induct Method and apparatus for manufacturing and forming engine induct

1979-11-13

1982-03-09

Husar, Francis S.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

29157C, 29DIG10, 164 691, 164113, 164 701, 261DIG12, B22D 11126

Patent

active

043182143

ABSTRACT:
A carburetor is disclosed as being formed by die casting and in the process employing two opposed juxtaposed casting cores to form the induction passage and main venturi therein with the result that a flashing of die case metal occurs as between the opposed juxtaposed cores generally transversely of the induction passage generally at the location of the throat of the venturi; after casting the carburetor, the carburetor is placed onto fixture means and a cutting and forming punch or tool is moved relative to the carburetor as to both cut through the said flashing and also seat against the metal of the upstream portion of the venturi in order to assure uniformity of contour thereof especially with respect to the venturi throat as cut and sized by the tool.

REFERENCES:
patent: 1023228 (1912-04-01), Taylor
patent: 1147018 (1915-07-01), Hansen
patent: 1762313 (1930-06-01), Snow et al.
patent: 2027787 (1936-01-01), Ridgway et al.
patent: 2618989 (1952-11-01), Cupler
patent: 2737831 (1956-03-01), Webb
patent: 2951336 (1960-09-01), Mueller
Die Castings by Chase, H. M. E., copyright 1934, published by John Wiley & Sons, Inc., N.Y., pp. 6-9, 76 and 77 relied on.

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