Invention Grant
- Patent Title: Method and system for sealing and handling pipe
- Patent Title (中): 管道密封和处理方法和系统
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Application No.: US13597547Application Date: 2012-08-29
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Publication No.: US09255458B2Publication Date: 2016-02-09
- Inventor: John A. Austin , Raymond Christopher Young
- Applicant: John A. Austin , Raymond Christopher Young
- Applicant Address: US TX Houston
- Assignee: Foster Wheeler USA Corporation
- Current Assignee: Foster Wheeler USA Corporation
- Current Assignee Address: US TX Houston
- Agency: Winstead PC
- Main IPC: E21B19/02
- IPC: E21B19/02 ; E21B31/20 ; E21B19/00
Abstract:
In one aspect, the present invention relates to a friction-pin unit. The friction-pin unit includes a sleeve and a guide cone formed at a first end of the sleeve. A shaft is disposed coaxially within the sleeve and a plurality of friction pins extend radially outward from the shaft. The plurality of friction pins are adapted for interference-fit engagement with an inner surface of the pipe. A ring seal is circumferentially disposed around an inner surface of the sleeve. The ring seal adapted to circumferentially seal an outer surface of the pipe.
Public/Granted literature
- US20130049385A1 METHOD AND SYSTEM FOR SEALING AND HANDLING PIPE Public/Granted day:2013-02-28
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