4. Pipe joints or couplings
  5. With fluid pressure seal
  6. With external pressure supply

Duane E. Thewlis

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Inflatable mandrel and method therefor

Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent

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Method for making an inflatable mandrel

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent

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Quick disconnect coupling

Pipe joints or couplings – With fluid pressure seal – With external pressure supply
Patent

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Profile ID: LFUS-PAI-P-658184

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