Detachable joint between continuous-casting starter bar and casting

Claim 2

A starter bar for contInuous-casting disconnectable from an attached continuously formed casting by lateral deflection of the leading end of the casting, said starter bar comprising an elongated main body portion having a head end, said head end having a substantially cup-shaped recess therein, said recess having at least one open end along one lateral edge of said head portion, said body portion having a transversely extending slot communicating with and disposed subjacent said recess, said slot being substantially in the form of an inverted T and having at least one open end coincidental with the open end of said recess, a complementary chill plate slidably disposed in said recess, a key fixedly attached to said chill plate with one end projecting upwardly therefrom and its other end depending downwardly therefrom and fitting slidably in said slot, said key being substantially in the form of a rail section, said rail section having a base slidably disposed in the head of said inverted Tslot a web extending slidably upwardly from said base to project above the bottom of said chill plate, and a head on said upwardly projecting web, said web being fixedly attached and sealed to said chill plate at a point intermediate said base and said head of said rail section, said head forming an anchorage for the lower end of a continuously formed casting as it solidifies whereby said key and said chill plate are disconnected laterally from said starter bar when the lower end of said casting anchored to said key is deflected laterally.

Claim 3

In a continuous-casting apparatus including a substantially vertically disposed tubular flow-through chill mold for producing a continuous-casting from molten metal poured in the upper end of said mold, and means spaced below said mold for laterally deflecting a casting issuing from said mold, the improvement therewith of a starter bar insertable in the lower end of said mold for attachment with the lower end of a casting forming in said mold and disconnectable from said casting by lateral deflection of the lower end of the casting, said starter bar comprising an elongated main body portion having a head end, said head end having a recess therein extending transversely thereof, said recess having at least one open end along one lateral edge of said head portion, said body portion having a transversely extending slot communicating with and disposed subjacent said recess, said slot being substantially in the form of an inverted T and having at least one open end coincidental with the open end of said recess, a complementary chill plate slidably disposed in said recess, a key fixedly attached to said chill plate with one end projecting upwardly therefrom and its other end depending downwardly therefrom and fitting slidably in said slot, said key being substantially in the form of a rail section, said rail section having a base slidably disposed in the head of said inverted T-slot a web extending slidably upwardly from said base to project above the bottom of said chill plate, and a head on said upwardly projecting web, said web being fixedly attached and sealed to said chill plate at a point intermediate said base and said head of said rail section, said head forming an anchorage for the lower end of a continuously formed casting as it solidifies whereby said key and said chill plate are disconnected laterally from said starter bar when the lower end of the casting anchored to said key is deflected laterally by said deflecting means.

Claim 4

In a continuous-casting apparatus including a substantially vertically disposed tubular flow-through chill mold for producing a continuous-casting from molten metal poured in the upper end of said mold, and means spaced below said mold for laterally deflecting a casting issuing from said mold, the improvement therewith of a starter bar insertable in the lower end of said mold for attachment with the lower end of a casting forming in said mold and disconnectable from said casting by lateral deflection of the lower end of the casting, said starter bar comprising an elongated main body portion having a head end, said head end having a recess therein extending transversely thereof, said recess having at least one open end along one lateral edge of said head portion, said body portion having a transversely extending slot communicating with and disposed subjacent said recess, said slot being substantially in the form of an inverted T and having at least one open end coincidental with the open end of said recess, a complementary chill plate slidably disposed in said recess, a key fixedly attached to said chill plate with one end projecting upwardly therefrom and its other end depending downwardly therefrom and fitting slidably in said slot, said key being substantially in the form of a rail section, said rail section having a base slidably disposed in the head of said inverted T-slot a web extending slidably upwardly from said base to project above the bottom of said chill plate, and a head on said upwardly projecting web, said web being fixedly attached and sealed to said chill plate at a point intermediate said base and said head of said rail section, said head forming an anchorage for the lower end of a continuously formed casting as it solidifies whereby said key and said chill plate are disconnected laterally from said starter bar when the lower end of the casting anchored to said key is deflected laterally by said deflecting means.