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(11)    Patent No :    AP 1889    (73) Applicant(s)       
(21)    Application No :    AP/P/2003/002878    ENVIRO-FRESH LIMITED, Stratton House, Stratton Street,       
            London W1J 8LA,       
(22)    Filing Date :    11.03.2002    United Kingdom       
(24)    Date of Grant &    22.09.2008           
(45)    Publication :

(30)  Priority Data    (72) Inventors

    (33) Country    (31) Number    (32) Date    HALL Kelvin Edmund, United Kingdom   
    GB    0105842.9    09.03.2001    (74) Representative   
(84)    Designated State           
    GM  GH   KE    LS   MW  MZ    SL   SD   SZ    HONEY & BLANCKENBERG   
    T Z   UG   ZM   ZW               
(51)    International    Classification    E03C 1/28 (2006.01)    E03C 1/29 (2006.01)   
            E03D 13/00 (2006.01)       

(54)    Title

Waste outlet assembly.

(57)    Abstract

The present invention relates to a waste outlet assembly, in particular a waste
outlet assembly for a urinal of the type commonly found in men's lavatories. There is described an elongate cylindrical insert having an operatively upper end and an operatively lower end and being insertable into the waste outlet of

a urinal bowl or trough, which outlet includes a liquid trap, wherein the insert is radially dimensioned to provide a close fit against the walls of the waste outlet; and wherein the insert is longitudinally dimensioned such that, in use,

the lower end extends into liquid in the liquid trap. There is also described a urinal including such an insert. The present invention also provides a process for reducing the emission of odours from a urinal having a liquid seal trap, the

method comprising inserting a cylindrical ele ment into the outlet of the urinal

(56)    Documents Cited :    US 2 472 322 A   GB 2 137 247 A   GB 2 319 540 A


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