Pipeline internal centering device and associated method
AssigneeVietz GmbH
InventorAlexander VIETZ
Life of this patent
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Abstract
The invention relates to a pipeline internal centering device for centering a first pipe (28) relative to a second pipe (30), having a centering unit (12) for aligning the second pipe (30) relative to the first pipe (28), and having a transport device (14) for moving along a longitudinal axis (L) of the pipeline internal centering device (10). According to the invention, a rotary device (48) is provided by means of which the pipeline internal centering device (10) can be rotated about its longitudinal axis (L).
Claims15
A pipeline internal centering device for centering a first pipe relative to a second pipe, comprising:
- (a) a centering unit for aligning the second pipe relative to the first pipe,
- (b) a transport device for moving the pipeline internal centering device along a longitudinal axis of the pipeline internal centering device, and
- (c) a rotary device for rotating the pipeline internal centering device about its longitudinal axis.
The pipeline internal centering device according to 1, wherein the transport device has at least one transport roller which is moveable pneumatically and/or hydraulically in the radial direction.
Dependencies are inferred from the claim text.