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(11) | EP 1 666 676 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Odour trap |
(57) A dome-shaped water seal (2) comprises an inlet pipe piece (3), a mounting member
(5) and an outlet pipe piece (6). An odour trap (1) for said dome-shaped water seal
(2) comprises a guide member (9) and a bracket (8) which is spring-loaded and displaceable
along the guide member. The bracket (8) carries a sealing portion (10) which by the
spring (7) is brought to engage the inlet pipe piece (3) for closing thereof and which
can be pressed away by waste water from said closing position and permit passage thereof
to the outlet pipe piece (6) through the mounting member (5). The guide member (9)
consists of a sleeve-like member (12) into which the spring (7) is inserted. The bracket
(8) consists of a hollow shaft member (13) which is inserted into the sleeve-like
member (12), which receives the spring (7) and which at the end portion (13a) protruding
out of the sleeve-like member is closed by a plate-like member (14). One surface (14a)
of the plate-like member is engaged by the spring, and the sealing portion (10) is
provided on another surface (14b) of the plate-like member
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