Bottle recycling apparatus and method

Details Bottle recycling apparatus and method Bottle recycling apparatus and method

1992-02-03

1993-07-06

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Miscellaneous

241 23, 241 65, 241 99, 241DIG38, 264 37, 264540, 264102, 264140, 264211, 264DIG69, 264211, 264 23, 366 83, 366 91, 425199, 425202, 425203, 425532, 425301, 425DIG46, B29B 730, B29B 1702

Patent

active

052251373

ABSTRACT:
In general, used thermoplastic liquid containers such as oil and solvent bottles are discarded. When recycling oil bottles, the usual practice is to wash the bottles with a solvent to remove oil therefrom. Washing of the bottles results in large quantities of used, oil-containing solvent, which present a disposal problem. A simple solution to the problem of recycling liquid containers with no preliminary washing or cleaning operation includes the steps of tumbling the bottles to promote liquid separation, shredding the bottles into small pieces and draining the liquid therefrom, grinding the pieces of plastic to yield a particulate thermoplastic, and mixing the particulate thermoplastic and any liquid remaining therein with an additive, e.g. an oil absorbent and a filler such as calcium carbonate, glass, mica or talc, and when the liquid is an oil, an absorbent to produce an extrudable mixture which can be used to form new containers.

REFERENCES:
patent: 3687873 (1972-08-01), Kropscott
patent: 3806562 (1974-04-01), Lamort et al.
patent: 4138534 (1979-02-01), Tedesco
patent: 4162880 (1979-07-01), Cobbs, Jr. et al.
patent: 4715920 (1987-12-01), Ruppman et al.
patent: 4797237 (1989-01-01), Hammer et al.
patent: 4968463 (1990-11-01), Levasseur

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