Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes
Reexamination Certificate
2006-05-30
2006-05-30
Kastler, Scott (Department: 1742)
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
C148S196000
Reexamination Certificate
active
07052646
ABSTRACT:
In accordance with the method and the device according to the invention, previous pure pyrotechnic primers for initiating the ignition charges (6a,6b) of the oxygen lance igniters (13) are replaced by a small quantity of powdered zirconium (7). Zirconium is pyrophoric and therefore ignites, providing it has a sufficiently large surface area, in the presence of a sufficient quantity of pure oxygen, although in ordinary air it is no more flammable than ordinary wood.
REFERENCES:
patent: 1965275 (1934-07-01), Aronson
patent: 2634196 (1953-04-01), Pennecot
patent: 3275484 (1966-09-01), Foote et al.
patent: 4170941 (1979-10-01), Reichard et al.
patent: 4423855 (1984-01-01), Kallenbach
patent: 5069616 (1991-12-01), Larsson
patent: 5580515 (1996-12-01), Petrovich
patent: 5622672 (1997-04-01), Swick et al.
patent: 5622678 (1997-04-01), Hiltawsky
patent: 2529495 (1984-01-01), None
patent: 2090323 (1997-09-01), None
patent: 2104131 (1998-02-01), None
patent: 149297 (1961-12-01), None
patent: 889329 (1981-12-01), None
Ericksson Borje
Eriksson Lennart
Connolly Bove & Lodge & Hutz LLP
Ferrox AB
Hume Larry J.
Kastler Scott
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