Invention Grant
- Patent Title: Snubbing unit with improved slip assembly
- Patent Title (中): 具有改进的滑动组件的缓冲单元
-
Application No.: US09998449Application Date: 2001-11-30
-
Publication No.: US06640939B2Publication Date: 2003-11-04
- Inventor: David A. Buck
- Applicant: David A. Buck
- Main IPC: B65H5910
- IPC: B65H5910

Abstract:
An improved snubbing unit including a snubbing unit base, a lifting assembly having a platform positioned above the base, a rotary table positioned on the snubbing unit, and a first slip assembly positioned on the rotary table. The first slip assembly further includes a base plate with a center aperture formed therein, at least two separate slip frames positioned on the base plate around the center aperture, wherein each of the slip frames includes a slip surface, and a die carrier positioned within each of the slip frames, wherein each of the die carriers also includes a surface for engagement with the slip surfaces of said slip frames. Additionally, a second slip assembly will be positioned on the snubbing unit.
Public/Granted literature
- US20030066718A1 Snubbing unit with improved slip assembly Public/Granted day:2003-04-10
Information query