Fluid storage reservoir
AssigneeOP-Hygiene IP GmbH
InventorHeiner Ophardt
Life of this patent
Estimating the term…
Abstract
A method of storing a product that contains a volatile component within a fluid storage reservoir formed with enclosing walls having a permeability that permits limited passage of the volatile component from the storage reservoir to the atmosphere, preferably with the method increasing the shelf life of the product stored, and a fluid storage reservoir with a first container containing the fluid product to be dispensed including the volatile component and a second container containing a sacrifice material including the same volatile component with an intermediate transfer wall shared by both the first container and the second container for transfer of the volatile component between the first container and the second container. The product preferably is a surface cleaner or a hand sanitizer including 30 to 95% ethanol.
Claims21
A fluid storage reservoir comprising:
- a first container defining an enclosed first interior within a first enclosing wall member,
- the first interior of the first container containing a product to be dispensed,
- the first enclosing wall member of the first container including an intermediate transfer wall with a first surface and a second surface,
- the intermediate transfer wall defining at least in part the first interior of the first container with the first surface of the intermediate transfer wall in contact with the product,
- a second container defining an enclosed second interior within a second enclosing wall member,
- the second interior of the second container containing a sacrifice material,
- the second enclosing wall member of the second container including the same said intermediate transfer wall,
- the intermediate transfer wall defining at least in part the second interior of the second container with the second surface of the intermediate transfer wall in contact with the sacrifice material,
- the product comprising a fluid including a volatile component,
- the sacrifice material comprising a fluid including the volatile component,
- the intermediate transfer wall having a first permeability between the first surface and the second surface
- that permits passage of the volatile component through the intermediate transfer wall from the second interior of the second container to the first interior of the first container,
- an escape transfer wall selected from the group consisting of:
- (a) a first escape transfer portion of the first enclosing wall member of the first container with an inner surface of the first escape transfer portion in contact with the product and an outer surface of the first escape transfer portion in contact with the atmosphere, the first escape transfer portion of the first enclosing wall member of the first container having a second permeability that permits passage of the volatile component through the first enclosing wall member of the first container from the first interior of the first container to the atmosphere, and
- (b) a second escape transfer portion of the second enclosing wall member of the second container with an inner surface of the second escape transfer portion in contact with the sacrifice material and an outer surface of the second escape transfer portion in contact with the atmosphere, the second escape transfer portion of the second enclosing wall member of the second container having a third permeability that permits passage of the volatile component through the second enclosing wall member of the second container from the second interior of the second container to the atmosphere.
Dependencies are inferred from the claim text.