Metal fusion bonding – Process – Plural joints
Patent
1975-10-06
1977-02-01
Smith, Al Lawrence
Metal fusion bonding
Process
Plural joints
113120M, B23K 3102, B21D 5100
Patent
active
040058131
ABSTRACT:
A single-opening beer keg is produced from a beer keg of conventional configuration which has a bung hole in the side wall and a dispensing opening in the top wall thereof, by closing the dispensing opening and the bung hole; moving the top wall inwardly to provide a wall of substantially spherical configuration and with an inner peripheral chine; moving the center portion of the bottom wall outwardly until it is in substantial horizontal alignment with the lower end of the side wall; and providing an opening in the center portion of the bottom wall to receive a valve assembly. An annular protective collar can be secured to the lower end of the side wall to protect the valve assembly during shipment of the keg.
REFERENCES:
patent: 1483293 (1924-02-01), Foster
patent: 1572727 (1926-02-01), Kerr
patent: 1788261 (1931-01-01), Werder
patent: 2339544 (1944-01-01), Stanley
patent: 3660188 (1972-05-01), VanLeer
patent: 3729812 (1973-05-01), Thomas
Joyce Margaret
Smith Al Lawrence
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