4. Metal fusion bonding
  5. Including applicator movable during fusion
  6. Orbital or plane curvilinear motion

Etudes Petrolieres Marines

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Apparatus for automatic welding of bevelled tubes

Metal fusion bonding – Including applicator movable during fusion – Orbital or plane curvilinear motion
Patent

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Apparatus for welding submerged pipe ends

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Butt-welding apparatus for assembling and laying pipe strings in

Metal fusion bonding – Including means to force or clamp work portions together... – Work portion comprises electrical component
Patent

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Inflatable lip seal for pipes

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Method and apparatus for connecting the ends of submerged pipes

Wells – Receptacles – With separate air chamber having openable passage
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