Respective inflatable arbors for making backdraft cavity in sand

Details Respective inflatable arbors for making backdraft cavity in sand Respective inflatable arbors for making backdraft cavity in sand

1997-09-24

2000-01-18

Batten, Jr., J. Reed

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164171, 164186, 164412, 249179, 269 22, 269 481, 294 981, B22C 910, B22C 2300

Patent

active

06015005&

ABSTRACT:
Tooling includes an inflatable arbor for forming a backdraft cavity in a foundry sand core. A core handling device includes an inflatable arbor, similar to the one used for forming the backdraft cavity in the sand core, whereby the lifting device arbor, when in its deflated state, may be inserted into the backdraft cavity of the sand core and then inflated to grip and become locked to the sand core.

REFERENCES:
patent: 2877521 (1959-03-01), Tallone
patent: 3166335 (1965-01-01), Mason
patent: 4811962 (1989-03-01), Cameron, Jr.
patent: 4915157 (1990-04-01), Durchenwald
patent: 5090758 (1992-02-01), Lord

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