Seamless cylinder shell construction

Details Seamless cylinder shell construction Seamless cylinder shell construction

1992-10-09

1994-07-19

Ramsey, Kenneth J.

Metal fusion bonding

Process

Using explosive energy

228155, 72700, C21D 802

Patent

active

053300912

ABSTRACT:
A method of forming a seamless cylinder shell in which a nickel sheet is clad to a steel sheet so that the sheets are uniformly bonded throughout and a composite sheet is formed. The cladding is preferably effectuated by explosive cladding. The composite sheet is then preferably cut into a circular blank before further processing. The circular blank is subjected to an oxalic acid pretreatment to retain a lubricant on the two opposed surfaces thereof and is thereafter lubricated with the lubricant. The circular blank is preferably cupped, relubricated, and drawn into the seamless cylinder shell. The seamless cylinder shell can be finished into a seamless gas cylinder by spinning one end of the cylinder into a cylinder head, internally threading the formed cylinder head, and then heat treating the cylinder.

REFERENCES:
patent: 2037732 (1936-04-01), Mudge
patent: 3194643 (1965-07-01), Ma et al.
patent: 3664890 (1972-05-01), Winter
patent: 3693242 (1972-09-01), Chivinsky
patent: 4168241 (1979-09-01), Kozima et al.
patent: 4364161 (1982-12-01), Stading

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