Baths – closets – sinks – and spittoons – Dry closets – Urinal
Patent
1997-12-04
1999-09-07
Walczak, David J.
Baths, closets, sinks, and spittoons
Dry closets
Urinal
41443, A47K 1100
Patent
active
059467380
ABSTRACT:
A pouch presenting a supple outer envelope having an open collar followed by a widened part. The pouch has a reinforcing element having a relatively rigid and flexible sleeve extending in the collar from a first end located in the vicinity of the opening of the collar, up to a second end located towards the widened part. The sleeve presents, in the vicinity of the base of the collar, a cut-out on either side of which are defined a first portion and a second portion. The second portion is provided with two substantially traverse tabs which face each other and which have free lateral ends. In the flattened configuration of the pouch in which the opening is closed, the sleeve is itself flattened and presents two wall elements disposed one against the other, while, in order to bring the collar into its substantially tubular configuration and open the opening, the sleeve is capable of being elastically deformed in order to adapt a so-called "open" configuration, in which the first portion is substantially tubular, while the lateral ends of the tabs are spaced apart from one another.
REFERENCES:
patent: 3746240 (1973-07-01), Flynn
patent: 5065459 (1991-11-01), Tjahaja et al.
patent: 5745926 (1998-05-01), Cailleteau
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