Flexible bags – With closure – Self-closing type
Reexamination Certificate
2005-11-29
2005-11-29
Pascua, Jes F. (Department: 3727)
Flexible bags
With closure
Self-closing type
C383S010000, C383S050000
Reexamination Certificate
active
06969195
ABSTRACT:
One describes a package, particularly for packing industrial products, comprising a product-holding body provided with a through-bore, a grip region associated to the body and a flow controlling and interrupting valve associated to the through-bore, the valve comprising an elongate and through-bored body of flexible material, the body being fixed by means of at least its first end portion to the through-bore, the second end portion of the body, opposed to the first portion, extending outwardly of the thorough-bore and being foldable over the elongate body into the bore, so as to enable one to close the valve. The present package permits partial consumption of the product and the correct application, through the valve, thus enabling one to use the product partly and rationally, without wasting it. It also avoids leakage of the packed product, which is of great importance when toxic and polluting products are packed.
REFERENCES:
patent: 1782738 (1930-11-01), Martin
patent: 2845214 (1958-07-01), Finke
patent: 3504845 (1970-04-01), Niemeyer
patent: 3514033 (1970-05-01), Goodwin
patent: 5104235 (1992-04-01), Bronstrup et al.
Alston & Bird LLP
Pascua Jes F.
Tetraquimica Industria e Comercio Ltda.
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