Method for forming a drain assembly

Details Method for forming a drain assembly Method for forming a drain assembly

1990-12-04

1992-03-17

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

29513, 29888, 60 39094, F02G 300

Patent

active

050956175

ABSTRACT:
A method of forming a drain assembly 30 for a case 26 is disclosed. Various construction details are developed for minimizing the radial profile and facilitating assembly to an opening in the case while blocking the passage of flames from the exterior to the interior. In one embodiment, the method of forming the drain assembly 30 includes disposing a cover 42 facing one side of the case which has a passage 48 therethrough, disposing a plate 58 having a passage 62 on the other side of the case, and disposing a baffle 66 in the opening to block flames from passing between the cover side of the case and the plate side of the case.

REFERENCES:
patent: 1865319 (1932-06-01), Jensen
patent: 3199716 (1965-08-01), Price
patent: 4163366 (1979-08-01), Kent

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