Process for producing foundry exothermic body

Details Process for producing foundry exothermic body Process for producing foundry exothermic body

1998-05-21

2000-08-01

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264299, B29C 3340

Patent

active

060962534

ABSTRACT:
A process for producing a foundry exothermic body such as an foundry exothermic riser sleeve includes the steps of preparing a raw material mixture whose components include one or more powdered/granular refractories, one or more powdered/granular exothermic materials, one or more powdered/granular oxidants and one or more powdered pro-oxidants, mixing thermosetting phenol resin with the raw material mixture to coat grain surfaces of the raw material mixture with thermosetting phenol resin and obtain a thermosetting phenol resin coated raw material mixture, and using the shell molding process to form and cure the thermosetting phenol resin coated raw material mixture into a foundry exothermic body of prescribed shape.

REFERENCES:
patent: 3216074 (1965-11-01), Harrison
patent: 4143022 (1979-03-01), Iyer
patent: 4848443 (1989-07-01), Westwood et al.
patent: 4884620 (1989-12-01), Jhaveri et al.
patent: 5602192 (1997-02-01), Yoshida et al.
patent: 5738819 (1998-04-01), Feagin

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