Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1986-10-07
1988-10-18
Moy, Joseph Man-Fu
Receptacles
Outlet or junction box type
Sectional receptacle
220 71, B65D 634
Patent
active
047780762
ABSTRACT:
Container suitable for preheating, retorting and cooling of shale under pressure comprising a vessel (2) and a primary stiffener system comprising side stiffeners (16, 17), a top stiffener (20) and a stiffener connecting system (21), wherein the primary stiffener system (11) prevents excess bending of the walls (3, 4, 7, 8) of the vessel (2), and wherein, when heated, the stiffener connecting system (21) forces the primary stiffener system (11) to give way so as to allow some expansion of the walls of the vessel (2).
REFERENCES:
patent: 1891518 (1932-12-01), Wright
patent: 4476988 (1984-10-01), Tanner
patent: 4593832 (1986-06-01), Gerhard
Konings Franciscus J. R.
Poll Ian
Schuurman Pieter J.
Voetter Heinz
Man-Fu Moy Joseph
Shell Internationale Research Maatschappij B.V.
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