Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1986-06-18
1988-02-16
Lowrance, George E.
Receptacles
Outlet or junction box type
Sectional receptacle
220 1B, 220 5A, 220 75, 220DIG29, B65D 822, B65D 632
Patent
active
047249757
ABSTRACT:
A high-pressure structure having a circular cylindrical metal shell made of metal rings joined together by weldments and which have peripheral areas of reduced shell thickness at the weldments which permit a reduction in the amount of weld metal deposited while still maintaining sufficient circumferential or hoop stress strength.
REFERENCES:
patent: 1655931 (1928-01-01), Langstroth
patent: 1961117 (1934-05-01), Wall
patent: 2179774 (1939-11-01), Zerbe
patent: 2233455 (1941-03-01), Larson
patent: 3270906 (1966-09-01), Christersen
CBI Research Corporation
Lowrance George E.
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