Machine for removing caps and base cups from plastic bottles

Details Machine for removing caps and base cups from plastic bottles Machine for removing caps and base cups from plastic bottles

1983-10-17

1988-02-23

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Combined or convertible

29235, 29240, 29705, 29710, 29791, 29822, 241 81, B02C 2308

Patent

active

047265353

ABSTRACT:
A machine for removing the closure or cap and the plastic base cup from a soft plastic bottle includes a conveyor which advances bottles sidewise along a horizontal path. During such advance, the bottles move along a stationary bar which holds the bottles against turning while the caps are engaged by a plurality of stationary serrated blade assemblies so that, due to the advance of the bottles, these assemblies turn the caps and unthread them from the bodies of the bottles. At the same time, stationary cams engage the base cups and the advance of the bottles causes the cams to pull the cups endwise off the bottoms of the bottle bodies. Subsequently, a sensor detects and is effective to separate clear bodies from colored bodies. As a result, the caps, the cups, clear bodies and colored bodies are separated for individual recycling.

REFERENCES:
patent: 3134281 (1964-05-01), Mintz
patent: 3987535 (1976-10-01), Brown
patent: 4003123 (1977-01-01), Duke
patent: 4096620 (1978-06-01), Kontz
patent: 4402123 (1983-09-01), Mitchell

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