4. Advancing material of indeterminate length
  5. Means to engage longitudinally spaced modifications in material
  6. Pins on flexible belt or chain

Irwin Research and Development, Inc.

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Adjustable conveyor for delivering thin web materials

Advancing material of indeterminate length – Means to engage longitudinally spaced modifications in material – Pins on flexible belt or chain
Patent

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Mold assembly for thermo-forming machine

Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
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