Device for taking a molten sample

Claim 2

A cartridge for sampling molten metal comprising refractory side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, insulating means for protecting said cartridge and for extending said cartridge into a bath of molten metal, said insulating means having an aperture communicating with said entry port in said cartridge, the margins of said aperture being spaced radially outwardly from the margins of said cartridge, and heat sensing means adapted to furnish a recordable response to the temperature of a molten sample entering said cartridge through said entry port.

Claim 3

A cartridge for sampling molten metal comprising refractory side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, consumable insulating means surrounding said cartridge, said insulating means having an aperture communicating with said entry port in said cartridge, the margins of said aperture of said insulating means being radially outwardly spaced from the margins of said entry port of said cartridge, including heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 4

A cartridge for sampling molten metal comprising refractory side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, consumable insulating means surrounding said cartridge, said insulating means having an aperture communicating with said entry port in said cartridge, the margins of said aperture of said insulating means being radially outwardly spaced from the margins of said entry port of said cartridge, including heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 5

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said bottom wall of said cartridge has a cylindrical passage extending therethrough, including heat sensing means adapted to furnish a recordable response to the temperature of a molten sample entering said cartridge through said entry port.

Claim 6

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said bottom wall of said cartridge has a cylindrical passage extending therethrough, including heat sensing means adapted to furnish a recordable response to the temperature of a molten sample entering said cartridge through said entry port.

Claim 7

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said cartridge contains a steel chill at the lower end thereof, said cartridge being further provided with an insulating refractory member within said cartridge and extending across said cartridge and spaced between said chill and said entry port, and passage means extending from the portion of said cartridge containing said port to the portion of said cartridge containing said chill, said passage means being sized for free passage of molten metal at bath temperature, and said cartridge being provided with heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 8

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said cartridge contains a steel chill at the lower end thereof, said cartridge being further provided with an insulating refractory member within said cartridge and extending across said cartridge and spaced between said chill and said entry port, and passage means extending from the portion of said cartridge containing said port to the portion of said cartridge containing said chill, said passage means being sized for free passage of molten metal at bath temperature, and said cartridge being provided with heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 9

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said bottom wall of said cartridge comprises a first annulus, a second annulus spaced from said first annulus, and an elongated smooth-walled refractory tube extending through and supported by said annuli, and said cartridge being provided with heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 10

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said bottom wall of said cartridge comprises a first annulus, a second annulus spaced from said first annulus, and an elongated smooth-walled refractory tube extending through and supported by said annuli, and said cartridge being provided with heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 11

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to Freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said cartridge is provided with a sample shaping member having a generally semi-circular cross-section, and said cartridge being provided with heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 12

A refractory cartridge for sampling molten metal, said cartridge having side, top and bottom walls, a sample entry port in said side wall sized to Freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and wherein said cartridge is provided with a sample shaping member having a generally semi-circular cross-section, and said cartridge being provided with heat sensing means adapted to furnish a recordable response to the temperature of a molten sample.

Claim 13

A refractory cartridge for sampling molten metal comprising side, top and bottom walls, means secured to said cartridge adapted for inserting and removing said cartridge in a bath of molten metal, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, said entry port having a lower lip and heat sensing means located within said cartridge, said heat sensing means comprising a U-shaped fused quartz tube containing thermocouple wires, the tip of the tube extending from adjacent said cartridge top wall, an aperture in said top wall, connecting leads connected to said thermocouple wires and extending through said aperture, a mass of refractory cement supporting said quartz tube in said cartridge with the cement sealing said top wall aperture and filling the space in said cavity between said tube and said side wall with said tip being located beneath said lower lip so that said tip will not be in the shrinkage cavity in the sample as the sample cools.

Claim 14

A refractory cartridge for sampling molten metal comprising side, top and bottom walls, means secured to said cartridge adapted for inserting and removing said cartridge in a bath of molten metal, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, said entry port having a lower lip and heat sensing means located within said cartridge, said heat sensing means comprising a U-shaped fused quartz tube containing thermocouple wires, the tip of the tube extending from adjacent said cartridge top wall, an aperture in said top wall, connecting leads connected to said thermocouple wires and extending through said aperture, a mass of refractory cement supporting said quartz tube in said cartridge with the cement sealing said top wall aperture and filling the space in said cavity between said tube and said side wall with said tip being located beneath said lower lip so that said tip will not be in the shrinkage cavity in the sample as the sample cools.

Claim 15

A refractory cartridge for sampling molten metal comprising side, top and bottom walls, means secured to said cartridge adapted for inserting and removing said cartridge in a bath of molten metal, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and heat sensing means comprising a U-shaped fused quartz tube containing thermocouple wires, the tip of the tube extending from adjacent said cartridge top wall, an aperture in said top wall, connecting leads connected to said thermocouple wires and extending through said aperture, a mass of refractory cement supporting said quartz tube in said cartridge transversely to the longitudinal axis of said cartridge with the cement sealing said top wall aperture and filling the space in said cavity between said tube and said side wall with said tip extending through said entry port from within said cartridge to obtain a measurement of bath temperature when said cartridge is immersed in molten metal.

Claim 16

A refractory cartridge for sampling molten metal comprising side, top and bottom walls, means secured to said cartridge adapted for inserting and removing said cartridge in a bath of molten metal, a sample entry port in said side wall sized to freely admit molten metal at bath temperature and to retain a substantial quantity of said metal upon withdrawal from said bath, and heat sensing means comprising a U-shaped fused quartz tube containing thermocouple wires, the tip of the tube extending from adjacent said cartridge top wall, an aperture in said top wall, connecting leads connected to said thermocouple wires and extending through said aperture, a mass of refractory cement supporting said quartz tube in said cartridge transversely to the longitudinal axis of said cartridge with the cement sealing said top wall aperture and filling the space in said cavity between said tube and said side wall with said tip extending through said entry port from within said cartridge to obtain a measurement of bath temperature when said cartridge is immersed in molten metal.

Claim 17

A refractory cartridge for sampling molten metal, said cartridge having side walls and a bottom wall, a plurality of partitions extending across the interior of said cartridge to form chambers in said cartridge, and a sample entry port in each of said chambers, and wherein at least one chamber is provided with heat sensing means.

Claim 18

A refractory cartridge for sampling molten metal, said cartridge having side walls and a bottom wall, a plurality of partitions extending across the interior of said cartridge to form chambers in said cartridge, and a sample entry port in each of said chambers, and wherein at least one chamber is provided with heat sensing means.