Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1974-07-09
1976-04-13
Price, William I.
Receptacles
Outlet or junction box type
Sectional receptacle
228112, B65D 742
Patent
active
039498964
ABSTRACT:
Metal cans are welded by frictional treatment of the materials joined. The treatment is provided by a rapidly rotating smooth hard friction tool e.g. wheel contacting a surface of the metal above the join while the parts joined are held in pressure contact by independent pressure exerting means and/or by the wheel itself. In the formation of can side-seams the wheel and the can are relatively traversed and a longitudinal continuous side-seam is formed which in the case of the metal to metal joints is metallurgically homogeneous and may be characterized in that no signs of melting of the base metal are visible at the welded interfaces.
REFERENCES:
patent: 1601927 (1926-10-01), Toby
patent: 2013517 (1935-09-01), Kachel
patent: 2092093 (1937-09-01), Silverman
patent: 2205251 (1940-06-01), Gillette
patent: 3358113 (1967-12-01), Delczynski
patent: 3435510 (1969-04-01), Oberle
patent: 3591756 (1971-07-01), Timko
patent: 3618817 (1971-11-01), Troughton
Pollard Steven M.
Price William I.
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