×

Hinged bottom cover for unheading a coke drum

  • US 6,989,082 B2
  • Filed: 05/25/2001
  • Issued: 01/24/2006
  • Est. Priority Date: 05/25/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus for removing a bottom cover on a coke drum, the apparatus comprising:

  • a support structure that supports at least the coke drum;

    a vertical actuator having a cover end attached to the bottom cover and a support end attached to said support structure, wherein said vertical actuator is arranged to move the bottom cover vertically in a removal operation of the bottom cover;

    a rotating actuator having a cover end attached to the bottom cover and a support end attached to said support structure and arranged to rotate the bottom cover in a removal operation; and

    a frame assembly having opposing ends, a pivoting end being attached to the bottom cover and a sliding end being slidably mounted for movement along a plane,wherein said frame assembly, said vertical actuators, and said rotating actuator cooperate to remove the bottom cover in a removal operation.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×