Casting stalk

Details Casting stalk Casting stalk

1994-06-01

1996-09-24

Batten, Jr., J. Reed

Dispensing

Molten metal dispensing

With subjacent flow guide

164306, 266236, B22D 1804, B22D 4150

Patent

active

055588018

ABSTRACT:
The core of the stalk is a metallic cylindrical body 1, such as a steel pipe. On an inner surface of the cylindrical body are layered a boron nitride coating 4, a mica sheet 6 which is airtight and thermal insulating, and a thermal insulating layer 7. On the outer surface of metallic cylindrical body 1 are layered a boron nitride coating 5, a wire gauze 10, a thermal insulating layer 12, a ceramic paper 13, and another boron nitride coating 15. The cylindrical body can be formed by a steel pipe is easily corroded and eroded by molten metal.

REFERENCES:
patent: 2674019 (1954-04-01), Rossi et al.
patent: 2847739 (1958-08-01), Sylvester
patent: 3279003 (1966-10-01), Yates
patent: 3358746 (1967-12-01), Crowe
patent: 3459346 (1969-08-01), Tinnes

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