Method for making a casting having an integral hose connection

Details Method for making a casting having an integral hose connection Method for making a casting having an integral hose connection

1990-02-26

1991-12-31

Batten, Jr., J. Reed

Metal founding

Process

Shaping a forming surface

164 34, 164 45, B22C 702, B22C 904

Patent

active

050763458

ABSTRACT:
A cast tubular structure including an integral hose connection element formed thereon is produced by lost foam casting wherein a circular socket seat is formed on a pattern for a body portion of the cast tubular structure and a cylindrical pattern for the integral hose connection element is formed by a mold without vent openings on the mold surface in the area of the cyclindrical pattern corresponding to the hose sealing surface of the cast tubular structure. The pattern sections are joined with the pattern section for the hose connection element sealing within the circular socket seal formed in the body portion of the cast structure. The pattern assembly is coated with a slurry and, after drying, is placed in a casting flask. Molten metal is then poured within the coated pattern assembly dissolving the foam patterns and forming the cast tubular structure.

REFERENCES:
patent: 4964454 (1990-10-01), Hubbell et al.
patent: 4969504 (1990-11-01), Ruhnke
patent: 4987945 (1991-01-01), Corbett

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