Material or article handling – Vertically swinging load support – Door remover
Patent
1989-08-04
1990-10-02
Werner, Frank E.
Material or article handling
Vertically swinging load support
Door remover
222512, 222526, 202241, 414589, 2940203, 2940206, 2940208, C10B 4302
Patent
active
049603582
ABSTRACT:
A bottom unheading device adapted for unheading vertical vessels such as coking drums. The unheading device includes a cover unit adapted for attachment to a lower flange of a coking drum and which is fastened by a plurality of swing bolts which are disconnected by remotely operated detensioning equipment, and a frame which can lower the cover unit and a carriage which moves it laterally to one side. A chute attached to the frame can be raised into engagement with the coking drum lower flange for removal of coke from the drum. Following such coke removal, the chute is lowered and the cover unit is moved laterally and remotely reconnected to the coking drum lower flange. The invention also discloses a method for remotely operating the unheading device.
REFERENCES:
patent: 2529046 (1950-11-01), Padgett
patent: 2595245 (1952-05-01), Grandinetti
patent: 3379623 (1968-04-01), Forsyth
patent: 3480186 (1969-11-01), Grosko
patent: 3765579 (1973-10-01), Cramer et al.
patent: 3779424 (1973-12-01), Shapland, Jr.
patent: 4662526 (1987-05-01), Schaller
patent: 4726109 (1988-02-01), Malsbury et al.
DiGiacomo Frank A.
Malsbury Alan J.
Myszka Ronald T.
Foster Wheeler U.S.A.
Naigur Marvin A.
Werner Frank E.
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