Near plate with air-escape nozzles for use in presses for making

Details Near plate with air-escape nozzles for use in presses for making Near plate with air-escape nozzles for use in presses for making

1992-03-11

1993-06-22

Batten, Jr., J. Reed

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164234, 164410, B22C 1522, B22C 2300

Patent

active

052209539

ABSTRACT:
In a wear plate (16) with a number of air-escape nozzles, in the example shown consisting of annular gaps (27) formed between bores (17) in the wear plate (16) and nozzle members (21) screwed into the bores (17) to make the mold-chamber faces (26) on the nozzle members (21) align with the mold-chamber surface (20) on the wear plate (16) in order to avoid problems when a finished mold or mold part is moved slidingly along the mold-chamber surface (20), the novel feature consists in that the nozzle members (21) have been screwed tight against an abutment tool (23) held temporarily in close abutment (not with a small gap as shown) against the mold-chamber surface on the wear plate (16), after which the nozzle members (21) have been secured in the position of alignment achieved in a suitable manner, such as by using a settable cement (30) filling the spaces between the thread (18) in the bores (17) and the thread (22 ) on the nozzle members (21) and keeping flanks (31) on the nozzle-member thread (22) in engagement with flanks (32) on the bore thread (18). With this arrangement, there is no risk of the nozzle members coming out of alignment with the wear plate, even when subjected to the high sand pressures encountered in mold-making presses of the kind in question.

REFERENCES:
patent: 3188701 (1965-06-01), McIntyre
patent: 3529656 (1970-09-01), Levy
patent: 4716953 (1988-01-01), Prunty, II et al.

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