Electric heating – Metal heating – Cutting or disintegrating
Patent
1993-08-18
1995-06-27
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
269286, B23H 100
Patent
active
054281997
ABSTRACT:
A frame member, comprising a pair substantially parallel base members connected by a pair substantially parallel intermediate members extending therebetween, has its base members formed of the same material as the machine bed wherein the material is a cast mineral material comprising a synthetic binder and mineral fillers. It is a particular feature that the base members of the frame member be cast with the machine bed as a unitary structure out of the cast mineral material.
REFERENCES:
patent: 4631382 (1986-12-01), Fukunaga et al.
patent: 4656326 (1987-04-01), Ramsbro
patent: 4745253 (1988-05-01), Girardin
patent: 4777340 (1988-10-01), Kobayashi et al.
patent: 4786776 (1988-11-01), Ramsbro
patent: 4788400 (1988-11-01), Aso et al.
patent: 4900888 (1990-02-01), Lee
Berger Hansruedi
Fankhauser Fritz
Evans Geoffrey S.
Georg Fischer AG
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