4. Cutting by use of rotating axially moving tool
  5. Means to drive tool
  6. Universal or flexible drive connection to rotate tool

Joseph A. Levens

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Pipe repair apparatus

Cutting by use of rotating axially moving tool – Means to drive tool – Universal or flexible drive connection to rotate tool
Patent

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Pipe repair apparatus and method

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
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Sweep ell production apparatus

Plastic article or earthenware shaping or treating: apparatus – Diverse distinct type shaping means – Shaping orifice and either a downstream preform reshaping...
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Sweep ell production method

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Production of continuous or running length
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Profile ID: LFUS-PAI-P-20293

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