Multi-component product dispenser

Claim 2

A multi-component product dispenser comprising a product container housing at least two mutually isolated product components; a valve means mounted on said product container for selectively dispensing said product components, said valve means including a stem, isolated product passages communicating with said product components and obturating means for selectively closing and opening said product passages; and a coupleraspirator mounted above said product container and having first and second coupling means, the first of said coupling means connected to said valve stem, the second of said coupling means extending upward and away from said product container for attachment to an aerosol propellant cartridge, said coupleraspirator further having a Venturi nozzle having a throat portion and a plurality of flow paths joining at said nozzle, a first of said flow paths communicating with said second coupling means and the remainder of said flow paths communicating with said first coupling means, said Venturi throat portion located in said first flow path, said remainder of said flow paths being in fluid communication with said Venturi throat portion.

Claim 3

A dispenser as claimed in claim 1, wherein said valve means is leak-sealed but not pressure-sealed to said product container.

Claim 4

A dispenser as claimed in claim 2, wherein one of said product components is enclosed in a flexible product sac, said sac having a sac adaptor thereon which fits into said valve to provide communication between said sac and one of said product passages, and a second of said product components is enclosed within said product container, said valve means having a dip tube fitted therein to provide communication between said second product component and a second of said product passages.

Claim 5

A dispenser as claimed in claim 2 further comprising a guide means fitting around and aligned with said container for providing lateral support for said aerosol propellant cartridge, said guide means having an opening therein through which said multi-component product is sprayed by said coupler-aspirator.

Claim 6

A dispenser as claimed in claim 2, wherein said product passages comprise substantially straight vertical paths from said product components to said coupler-aspirator.

Claim 7

A dispenser as claimed in claim 2, wherein said remainder of said flow paths comprise a single flOw path and said product components are mixed in said single flow path.

Claim 8

A dispenser as claimed in claim 2, wherein said remainder of said flow paths comprise at least two mutually isolated flow paths and said product components are mixed in said nozzle.

Claim 9

A dispenser as claimed in claim 2, wherein said product components are enclosed in individual flexible product sacs, each of said sacs having a sac adaptor thereon which fits into said valve means to provide communication between said sac and one of said product passages.

Claim 10

A dispenser as claimed in claim 8, wherein said sac adaptors fit into said valve means generally horizontally.

Claim 11

A dispenser as claimed in claim 8, wherein one of said sac adaptors fits into said valve means generally horizontally and one of said sac adaptors fits into said valve means generally vertically.

Claim 12

A dispenser as claimed in claim 8, wherein said sac adaptors fit into said valve means at acute angles with respect to the vertical axis thereof, whereby the flow paths of said product components are substantially in a straight vertical line from said sacs to said coupler-aspirator.

Claim 13

A dispenser as claimed in claim 8, wherein said flexible product sacs are blow or injection blow molded, said sac adaptors are integral with said sacs, and a first of said sacs is disposed within a second of said sacs.

Claim 14

A dispenser as claimed in claim 12, wherein said valve means includes a body member having supporting means and a first of said obturating means comprises an annular gasket, said gasket being held in place within said body member by said supporting means and said sac adaptor integral with said first sac.

Claim 15

A multi-component product dispenser comprising a product container housing at least two mutually isolated product components; a valve means mounted on said product container for selectively dispensing said product components, said valve means including a stem, isolated product passages communicating with said product components and obturating means for selectively closing and opening said product passages; a coupler-aspirator mounted above said product container and having first and second coupling means, the first of said coupling means connected to said valve stem, the second of said coupling means extending upward and away from said product container, said coupler-aspirator further having a Venturi nozzle having a throat portion and a plurality of flow paths joining at said nozzle, a first of said flow paths communicating with said second coupling means and the remainder of said flow paths communicating with said first coupling means, said Venturi throat portion located in said first flow path, said remainder of said flow paths being in fluid communication with said Venturi throat portion; and an aerosol propellant cartridge positioned above said coupler-aspirator and vertically aligned with said container and having a valve connected to said second coupling means, such that depression of said cartridge and said coupler-aspirator opens said valve means and said valve and propellant from said cartridge aspirates said products through said Venturi nozzle.

Claim 16

A multi-component product dispenser comprising a product container housing at least two mutually isolated product components; a valve means mounted on said product container for selectively dispensing said product components, said valve means including a stem, isolated product passages communicating with said product components and obturating means for selectively closing and opening said product passages; a coupler-aspirator mounted above said product container and having first and second coupling means, the first of said coupling means connected to said valve stem, the second of said coupling means extending upward and away from said product container, said coupler-aspirator further having a Venturi nozzle having a throat portion and a plurality of flow paths joining at said nozzle, a first of said flow paths communicating with said second coupling means and the remainder of said flow paths communicating with said first coupling means, said Venturi throat portion located in said first flow path, said remainder of said flow paths being in fluid communication with said Venturi throat portion; and an aerosol propellant cartridge positioned above said coupler-aspirator and vertically aligned with said container and having a valve connected to said second coupling means, such that depression of said cartridge and said coupler-aspirator opens said valve means and said valve and propellant from said cartridge aspirates said products through said Venturi nozzle.

Claim 17

A dispenser as claimed in claim 14, wherein said valve means is leak-sealed but not pressure-sealed to said product container.

Claim 18

A dispenser as claimed in claim 15, wherein one of said product components is enclosed in a flexible product sac, said sac having a sac adaptor thereon which fits into said valve to provide communication between said sac and one of said product passages, and a second of said product components is enclosed within said product container, said valve means having a dip tube fitted therein to provide communication between said second product component and a second of said product passages.

Claim 19

A dispenser as claimed in claim 15, further comprising a guide means fitting around and aligned with said container for providing lateral support for said aerosol propellant cartridge, said guide means having an opening therein through which said multi-component product is sprayed by said coupler-aspirator.

Claim 20

A dispenser as claimed in claim 15, wherein said product passages comprise substantially straight vertical paths from said product components to said coupler-aspirator.

Claim 21

A dispenser as claimed in claim 15, wherein said remainder of said flow paths comprise a single flow path and said product components are mixed in said single flow path.

Claim 22

A dispenser as claimed in claim 15, wherein said remainder of said flow paths comprise at least two mutually isolated flow path and said product components are mixed in said nozzle.

Claim 23

A dispenser as claimed in claim 15, wherein said product components are enclosed in individual flexible product sacs, each of said sacs having a sac adaptor thereon which fits into said valve means to provide communication between said sac and one of said product passages.

Claim 24

A dispenser as claimed in claim 21, wherein said sac adaptors fit into said valve means generally horizontally.

Claim 25

A dispenser as claimed in claim 21, wherein one of said sac adaptors fits into said valve means generally horizontally and one of said sac adaptors fits into said valve means generally vertically.

Claim 26

A dispenser as claimed in claim 21, wherein said sac adaptors fit into said valve means at acute angles with respect to the vertical axis thereof, whereby the flow paths of said product components are substantially in a straight vertical line from said sacs to said coupler-aspirator.

Claim 27

A dispenser as claimed in claim 21, wherein said flexible product sacs are blow or injection blow molded, said sac adaptors are integral with said sacs, and a first of said sacs is disposed within a second of said sacs.

Claim 28

A dispenser as claimed in claim 25, wherein said valve means includes a body member having supporting means and a first of said obturating means comprises an annular gasket, said gasket being held in place within said body member by said supporting section and said sac adaptor integral with said first sac.