Apparatus for making a casting having an integral hose connectio

Details Apparatus for making a casting having an integral hose connectio Apparatus for making a casting having an integral hose connectio

1992-08-31

1993-09-21

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With mechanical means forming or expanding pores

249 98, 249141, 249144, 425470, 425812, 164 45, B29C 3310, B22C 702

Patent

active

052463591

ABSTRACT:
A hose connection element integrally cast as part of a cast structure such as a water outlet conduit for a vehicle engine comprises a tubular structure including a circumferential hose retaining bead with a flawless sealing surface between the bead and a proximal end thereof. A set of three vented tooling elements is used in creating a polystyrene pattern of the cast structure including integral hose connection element including first and second tooling elements to create first and second half-sections of a for a body portion pattern. The first and second tooling elements include a recess at one end thereof to form a socket depression in the body portion. The third tooling element comprises a cylindrical cavity including an outer wall and an inner wall, with the outer wall being uninterrupted by vent openings and including a circumferential area of protruberance near one end thereof, the parting line for the third tooling element being positioned along a crest of the protuberance.

REFERENCES:
patent: 4907638 (1990-03-01), Hubbell et al.
patent: 4964454 (1990-10-01), Hubbell et al.
patent: 4987945 (1991-01-01), Corbett

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