Container and dispensing system for liquid chemicals

A container for liquid chemicals, the container comprising:

• a sealed flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• a rupturable seal means for sealing the port;
• a bottle having a mouth which communicates with an interior of the bottle;
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth with the pouch within the interior of the bottle;
• and
• wherein the retaining means comprises:
• first and second retainer segments;
• and hinge means connecting the segments.

A liquid chemical handling system comprising:

• a container which comprises:
• a sealed flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• rupturable seal means for sealing the port;
• a bottle having a mouth which communicates with an interior of the bottle;
• and
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth with the pouch within the interior of the bottle;
• and
• a dispenser which comprises:
• a probe insertable through the rupturable seal means and into the port, the probe having a flow passage therein;
• and
• means connected to the probe for receiving liquid chemical dispensed from the pouch through the flow passage;
• seal means for providing a seal between the probe and the port;
• valve means for controlling flow through the flow passage, wherein the valve means is a normally closed check valve;
• and
• receptacle means for holding the bottle in an inverted position, wherein the receptacle means include a projection for opening the check valve when an outer end of the probe is in the receptacle means.

A liquid chemical handling system comprising:

• a container which comprises:
• a sealed flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• rupturable seal means for sealing the port;
• a bottle having a mouth which communicates with an interior of the bottle;
• and
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth with the pouch within the interior of the bottle;
• and
• a cap which engages the mouth of the bottle and is positioned over the mouth of the bottle and the fitment;
• and
• a dispenser which comprises:
• a probe insertable through the rupturable seal means and into the port, the probe having a flow passage therein;
• and
• means connected to the probe for receiving liquid chemical dispensed from the pouch through the flow passage.

A liquid chemical handling system comprising:

• a container which comprises:
• a sealed flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• rupturable seal means for sealing the port;
• a bottle having amount which communicates with an interior of the bottle;
• and
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth with the pouch within the interior of the bottle;
• and
• a dispenser which comprises:
• a probe insertable through the rupturable seal means and into the port, the probe having a flow passage therein;
• and
• means connected to the probe for receiving liquid chemical dispensed from the pouch through the flow passage;
• and
• means for supplying fluid under pressure between inner walls of the bottle and the pouch to force liquid out of the pouch through the flow passage in the probe.

A liquid chemical handling system comprising:

• a container which comprises:
• a sealed flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• rupturable seal means for sealing the port;
• a bottle having a mouth which communicates with an interior of the bottle;
• and
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth with the pouch within the interior of the bottle;
• and
• a dispenser which comprises:
• a probe insertable through the rupturable seal means and into the port, the probe having a flow passage therein;
• means connected to the probe for receiving liquid chemical dispensed from the pouch through the flow passage;
• means for supplying fluid under pressure between inner walls of the bottle and the pouch to force liquid out of the pouch through the flow passage in the probe;
• a pressure vessel having an interior chamber for holding the container;
• and
• wherein the means for supplying fluid supplies the fluid under pressure to the interior chamber of the pressure vessel.

For use with a liquid chemical container having a sealed film pouch within a generally rigid bottle with a port which provides access to an interior of the pouch and a rupturable seal over the port, a dispenser comprising:

• a pressure vessel having an interior chamber for holding the container;
• a rupturable seal piercing probe associated with the pressure vessel for insertion into the port when the container is in the chamber, the probe having a flow passage therein;
• and
• means for supplying fluid under pressure to the interior chamber and between inner walls of the bottle and the pouch to force liquid out of the pouch through the flow passage in the probe.

For use with a liquid chemical container having a sealed film pouch within a generally rigid bottle with a port which provides access to an interior of the pouch, a dispenser comprising:

• a pressure vessel having an interior chamber for holding the container;
• a probe associated with the pressure vessel for insertion into the port when the container is in the chamber, the probe having a flow passage therein;
• means for supplying fluid under pressure to the interior chamber and between inner walls of the bottle and the pouch to force liquid out of the pouch through the flow passage in the probe;
• means for inverting the pressure vessel so that the port and the probe are at the bottom of the bottle;
• a housing;
• a drawer slidably connected to the housing and movable between an open and a closed position;
• and
• means for pivotally mounting the pressure vessel with respect to the drawer.

For use with a liquid chemical container having a sealed film pouch within a generally rigid bottle with a port which provides access to an interior of the pouch, a dispenser comprising:

• a pressure vessel having a canister, a cover and an interior chamber for holding the container;
• a probe carried by the cover for insertion into the port when the container is in the chamber;
• the probe having a flow passage therein;
• means for supplying fluid under pressure to the interior chamber and between inner walls of the bottle and the pouch to force liquid out of the pouch through the flow passage in the probe;
• means for locking the cover on the canister in a closed position;
• means for moving the cover between an open position and the closed position;
• and
• means for controlling the means for locking and the means for moving.

A method of handling liquid chemicals, the method comprising:

• providing a sealed flexible film pouch having an interior for holding liquid and having a fitment sealed thereto, the fitment defining a port which communicates with the interior of the pouch;
• positioning a retainer around the fitment;
• placing the pouch within an interior of a bottle, by insertion through a mouth of the bottle, the retainer engaging the mouth of the bottle to hold the fitment in position within the mouth of the bottle;
• filling the interior of the pouch through the port;
• placing a rupturable membrane over an outer end of the fitment, after filling the interior of the pouch, to seal the port;
• and
• placing a cap over the mouth of the bottle to cover the rupturable seal.

A method of handling liquid chemicals in a double containment system, the method comprising:

• providing a sealed flexible film pouch having an interior for holding liquid and having a fitment sealed thereto, the fitment defining a port which communicates with the interior of the pouch;
• placing the pouch within an interior of a bottle by insertion through a mouth of the bottle, with the fitment held within the mouth of the bottle;
• filling the interior of the pouch through the port;
• placing a rupturable membrane over the fitment to seal the port;
• inserting a probe through the membrane and into the port, the probe having a flow passage therein;
• inverting the probe and the bottle together;
• and
• inserting an outer end of the probe into a receptacle to hold the bottle and probe in inverted position;
• and
• dispensing liquid from the pouch through the flow passage of the port.

A method of handling liquid chemicals in a double containment system, the method comprising:

• providing a sealed flexible film pouch having an interior for holding liquid and having a fitment sealed thereto, the fitment defining a port which communicates with the interior of the pouch;
• placing the pouch within an interior of a bottle by insertion through a mouth of the bottle, with the fitment held within the mouth of the bottle;
• filling the interior of the pouch through the port;
• sealing the port;
• opening the seal of the port;
• and
• supplying fluid under pressure between inner walls of the bottle and the pouch to force liquid out of the pouch.

A method of handling liquid chemicals, the method comprising:

• providing a sealed flexible film pouch having an interior for holding liquid and having a fitment sealed thereto, the fitment defining a port which communicates with the interior pouch;
• placing the pouch within an interior of a bottle, with the fitment held within a mouth of the bottle;
• filling the interior of the pouch through the port;
• sealing the port;
• placing the bottle within a pressure vessel;
• opening the seal of the port;
• supplying fluid under pressure between inner walls of the bottle and the pouch to force liquid out of the pouch;
• and
• supplying fluid under pressure within the pressure vessel so that a pressure gradient across walls of the bottle is minimized.

A double containment container for liquid chemicals, the container comprising:

• a sealed flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• rupturable seal means for sealing the port after the pouch has been filled with liquid through the port;
• a bottle having a mouth which communicates with an interior of the bottle;
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth with the pouch within the interior of the bottle;
• a cap which engages the mouth of the bottle and is positioned over the mouth of the bottle and the fitment, the cap having a central main port generally aligned with the port of the fitment;
• and
• vent means for permitting air to pass through the retaining means and the cap in order to enter the interior of the bottle around the pouch as liquid is dispensed from the pouch.

A double containment container for liquid chemicals, comprising:

• a flexible film pouch having an interior for holding liquid;
• a fitment sealed to the pouch and defining a port which communicates with the interior of the pouch;
• a bottle having an interior and a mouth which communicates with the interior of the bottle;
• retaining means for engaging the fitment and the mouth of the bottle to position the fitment in the mouth of the bottle when the pouch is within the interior of the bottle;
• a cap for sealably engaging the mouth of the bottle and for being positioned over the mouth of the bottle and the fitment;
• and
• a seal, coupled to the cap, for sealing the port when the cap sealably engages the bottle.