Fluid sprinkling – spraying – and diffusing – Slow diffusers
Patent
1983-07-20
1985-08-13
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Slow diffusers
B65D 8132
Patent
active
045345090
ABSTRACT:
A plastic packing device for the storage and the delivery of active materials consisting of multiple compartments destined to accommodate liquid, solid or gel materials, the compartments being formed by the joinder of two flexible polymeric sheets and comprising at least a sealed storage compartment impervious to the active materials and a sealed receiving compartment. At least one of the seams of the storage compartment is constituted by a system consisting of an internal layer of foam type plastic sheet which adheres on both its outer surfaces to leak-tight resilient polymeric sheets. External pressure on one of the compartments provokes internal rupture of the foam layer without rupture of outer polymeric sheets thus enabling emptying of storage compartment into receiving compartment without exposure of the active substance to the surrounding environment. The plastic packing is specially useful for ready premix of different components of useful active mixtures immediately before use. Utility is also apparent as easy-to-handle devices for the delivery of insecticides, malodor-counteractants or air-fresheners.
REFERENCES:
patent: 2932385 (1960-04-01), Bollmeier et al.
patent: 3770199 (1973-11-01), Hoek et al.
patent: 3773264 (1973-11-01), Cronan
patent: 3950158 (1976-04-01), Gossett
patent: 3986834 (1976-10-01), Steinbrink, Jr.
patent: 4106478 (1978-08-01), Higashijima
Firmenich SA
Kashnikow Andres
Malpede Scott D.
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