https://patents.google.com/patent/US20080040846A1/en
US20080040846A1 - No-flush direct urine disposal system - Google Patents
An elongated tube ( 17 ) of about 4 inch in diameter and about 20+ inches long, with the top cover ( 13 ) that is connected to hinges ( 14 ), connecting rod (...
disposal systemflushdirecturinegoogle