Title:
GRIPPING DEVICE WITH ADJUSTABLE DIAMETER AND METHOD OF OPERATING
Document Type and Number:
WIPO Patent Application WO/2014/187823
Kind Code:
A3
Abstract:
A gripping device (1) for tubular elements (6), and a method for adjusting the diameter formed by the gripping device (1), comprising; - two gripping arms (2a, 2b) arranged opposite each other, the gripping arms (2a, 2b) together forming a diameter, - at least one piston rod (4) to which the two gripping arms (2a, 2b), via transfer elements, are connected, - at least one cylinder (3) in which the piston rod (4) runs, - a stop device (7) connected to the piston rod (4), wherein the stop device (7) cooperates with an adjustment system (8, 9, 10), which adjustment system (8, 9, 10) limits the axial movement of the stop device (7) and hence the diameter of the gripping arms (2a, 2b).
Inventors:
OTTERSLAND GJERULF (NO)
Application Number:
PCT/EP2014/060341
Publication Date:
April 23, 2015
Filing Date:
May 20, 2014
Export Citation:
Assignee:
MHWIRTH AS (NO)
International Classes:
E21B19/06; E21B19/15; E21B19/14
Foreign References:
| US20110148133A1 | 2011-06-23 | |||
| US20080060850A1 | 2008-03-13 |
Attorney, Agent or Firm:
ONSAGERS AS (Oslo, NO)
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