4. Metal working
  5. Means to assemble or disassemble
  6. Puller or pusher means, contained force multiplying operator

John D. York

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Automatic tube expander for a heat exchanger

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Quick-connect tubing coupling

Pipe joints or couplings – Essential catch – Leaf spring
Patent

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Profile ID: LFUS-PAI-P-77196

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