Title:
海底から部材をピックアップする為の昇降装置
Document Type and Number:
Japanese Patent JP6958973
Kind Code:
B2
Abstract:
A lifting device (1) for picking up a member (7) from the bottom of the sea, the lifting device comprising; • - a body (2) extending along a central axis (20) of the lifting device and having means for connection to a hoist cable, • - a housing (3) configured to be at least partially introduced into a cavity (21) of the member to be picked up and accommodating at least a part of the body and wherein the body and the housing are moveable with respect to each other along the central axis of the lifting device.
Inventors:
Murderi, Krass-Yang
Application Number:
JP2018502073A
Publication Date:
November 02, 2021
Filing Date:
July 21, 2016
Export Citation:
Assignee:
I.C.Holland I.B.F.
International Classes:
E21B31/20
Domestic Patent References:
| JP63181885A | ||||
| JP10102969A | ||||
| JP7252988A | ||||
| JP59111889U | ||||
| JP54099402U | ||||
| JP7252987A |
Foreign References:
| US2481637 | ||||
| US6309002 | ||||
| EP0257943A2 | ||||
| US4273372 |
Attorney, Agent or Firm:
Ikeda adult
Junichiro Sakamaki
Masakazu Noda
Junichiro Sakamaki
Masakazu Noda