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United States Patent | 5,240,656 |
Scheeres | August 31, 1993 |
A method and an apparatus for treating contaminated plastics waste, comprising densifying contaminated plastics waste by causing the waste to pass through a heating zone to produce molten contaminated plastics, and causing the molten contaminated plastics to flow continuously out of the heating zone under the influence of gravity.
Inventors: | Scheeres; David J. (Sully, GB) |
Assignee: |
Plastics Densification, Inc.
(Dover,
DE)
|
Appl. No.: | 07/703,537 |
Filed: | May 21, 1991 |
Current U.S. Class: | 264/297.1 ; 219/421; 264/143; 264/162; 264/323; 264/327; 264/334; 264/348; 264/917; 264/920; 264/DIG.46; 425/144; 425/174.8R; 425/308; 425/384; 425/441; 425/812; 425/DIG.55 |
Current International Class: | B29B 13/02 (20060101); B29B 13/00 (20060101); B29B 17/00 (20060101); B29C 39/06 (20060101); B29C 39/04 (20060101); B29B 017/00 () |
Field of Search: | 264/102,37,321,DIG.69,DIG.46,327,323,162,348,143,334 425/174.4,174.8R,174,202,203,308,384,438,DIG.55,441,812 219/421 |
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