1. A dispenser for dispensing a dry, pourable material, the dispenser comprising:
a canister body having a closed end, an open end and a cavity of a predetermined volume and shape;
a replaceable and disposable cartridge prefilled with a predetermined quantity of the dry, pourable material received within the cavity, the replaceable and disposable cartridge having a predetermined volume and shape corresponding to that of the canister body, the replaceable and disposable cartridge including a dispensing end sealed with a flexible membrane, where the entire replaceable and disposable cartridge, including the flexible membrane, is fabricated from a biodegradable material;
a pouring spout cap attached proximate the open end of the canister body, the pouring spout cap movable between an open position and closed position, wherein the pouring spout cap sealingly engages the open end of the canister body and encloses the replaceable and disposable cartridge within the cavity when the pouring spout cap is in the closed position, the pouring spout cap further comprising an upper surface defining a first lower portion of a dispensing chamber and a spout;
a pierce pin forming a conduit in communication with the dispensing chamber and the replaceable and disposable cartridge depending from the lower surface of the pouring spout cap and disposed to pierce the flexible membrane of the replaceable and disposable cartridge when the pouring spout cap is in the closed position; and
a cap lid attached to the upper surface of the pouring spout cap, the cap lid defining a second upper portion of the dispensing chamber, wherein the first lower portion of the dispensing chamber and the second upper portion of the dispensing chamber define the dispensing chamber from which the dry, pourable material is dispensed from the replaceable and disposable cartridge, through the pierce pin and the dispensing chamber, and out of the dispensing chamber through the spout for dispensing the dry, pourable material from the dispenser.
2. The dispenser of claim 1, wherein the flexible membrane is formed from a continuous membrane.
3. The dispenser of claim 2, wherein the flexible membrane is fabricated from cellulose acetate.
4. The dispenser of claim 1, further comprising a spring loaded lock having a locked position and a released position for retaining the pouring spout cap in the closed position and releasing the pouring cap spout when the lock is in the released position.
5. The dispenser of claim 4, further comprising a ridge on the pouring spout cap, the lock further having a notch engaging the ridge when the lock is in the locked position and the pouring cap spout is in the closed position to restrain the pouring cap spout in the closed position.
6. The dispenser of claim 4, further comprising a resilient spring mounted on an outer wall of the canister body proximate a first portion of the lock and the notch formed on a second portion of the lock, wherein the lock is pivotably mounted between the first portion and the second portion to the outer wall of the canister body proximate the open end of the canister body.
7. The dispenser of claim 6, further comprising an opening in the outer wall of the canister body within which the resilient spring is mounted.
8. The dispenser of claim 1, further comprising a ring topper mounted about the open end of the canister body, the ring topper having a first hinge member and the pouring spout cap having a second hinge member rotatably coupled with the first hinge member for rotating the pouring spout cap between the open position and the closed position.
9. The dispenser of claim 1, further comprising a door hingedly attached to an upper portion of the cap lid attached to the upper surface of the pouring spout cap proximate the spout, the door rotating between a closed position when the dispenser is upright and an open position when the dispenser is tilted relative a horizontal ground for dispensing the dry, pourable material from the dispenser.
10. The dispenser of claim 1, further comprising a cap liner attached to and substantially covering the lower surface of the pouring spout cap, the cap liner having an opening through which the pierce pin depends and disposed to otherwise seal the cavity of the canister body when the pourable spout cap is in the closed position.
11. The dispenser of claim 10, wherein the lower surface of the pouring spout cap further comprises a depending lip forming an opening within which the pierce pin is attached and through which the pierce pin depends.
12. The dispenser of claim 10, wherein the lower surface of the pouring spout cap further comprises a recess into which an anchor extending upwardly from the cap liner is received to attach the cap liner to the pouring spout cap.
13. The dispenser of claim 1, wherein the replaceable and disposable cartridge is a tube having a first and a second sealed end, and wherein at least the first sealed end comprises an open rim on the tube and the flexible membrane disposed over and around the open rim, the flexible membrane having an exposed surface and a surface adjacent to and in contact with the open rim.
14. The dispenser of claim 13, wherein the flexible membrane is sealingly attached to the open rim of the tube by an adhesive disposed on the surface adjacent to and in contact with the open rim.
15. The dispenser of claim 13, wherein the open rim has a first diameter and the flexible membrane has a central portion having a second diameter, the second diameter exceeding the first diameter, and a plurality of radially extending legs extending outwardly from the central portion and along a longitudinal axis of the replaceable and disposable cartridge when disposed over and around the open rim.
16. The dispenser of claim 15, wherein the flexible membrane has twelve radially extending legs.
17. A dispenser for dispensing a dry, pourable material, the dispenser comprising:
a canister body having a closed end, an open end and a cavity;
a replaceable and disposable cartridge prefilled with a predetermined quantity of the dry, pourable material received within the cavity, the replaceable and disposable cartridge fabricated from a biodegradable material and having a dispensing end sealed with a flexible membrane, the flexible membrane having a central portion sealing the dispensing end of the replaceable and disposable cartridge and plurality of radially extending legs extending outwardly from the central portion and along a longitudinal axis of the replaceable and disposable cartridge;
a pouring spout cap attached to the canister body, the pouring spout cap movable between an open position and closed position, wherein the pouring spout cap sealingly engages the open end of the canister body and encloses the replaceable and disposable cartridge within the cavity when the pouring spout cap is in the closed position, the pouring spout cap further comprising an upper surface defining a first lower portion of a dispensing chamber and a spout;
a pierce pin forming a conduit in communication with the dispensing chamber and the replaceable and disposable cartridge depending from a lower surface of the pouring spout cap and disposed to pierce the flexible membrane of the replaceable and disposable cartridge when the pouring spout cap is in the closed position; and
a cap lid attached to the upper surface of the pouring spout cap, the cap lid defining a second upper portion of the dispensing chamber, wherein the first lower portion of the dispensing chamber and the second upper portion of the dispensing chamber define the dispensing chamber from which the dry, pourable material is dispensed from the replaceable and disposable cartridge, through the pierce pin, into the dispensing chamber, and out of the dispensing chamber through the spout for dispensing the dry, pourable material from the dispenser.
18. A replaceable and disposable cartridge for use in a dispenser for dispensing a dry, pourable material, the dispenser comprising a canister body, a pouring spout cap attached to an open end of the canister body, the pouring spout cap movable between an open position and a closed position, wherein the pouring spout cap sealingly engages the open end of the canister body when the pouring spout cap is in the closed position, a pouring spout, and a pierce pin depending from a lower surface of the pouring spout cap in communication with the pouring spout, the replaceable and disposable cartridge comprising:
a tube adapted for insertion within a cavity in the canister body having an interior and a first sealed end comprising an opening at a first end of the tube and a flexible membrane disposed over and around the opening to seal the opening, wherein the flexible membrane is pierced by the pierce pin when the pouring spout cap is moved to the closed position to provide communication between the interior of the tube and the pouring spout, wherein both the tube and the flexible membrane are fabricated from a biodegradable material; and
a predetermined quantity of the dry, pourable material prefilled into the tube for dispensing from the interior of the tube, through the piecing pin and out of the dispenser through the pouring spout.
19. The replaceable and disposable cartridge of claim 18, wherein the flexible membrane is fabricated from cellulose acetate.
20. The replaceable and disposable cartridge of claim 18, wherein the flexible membrane has an exposed surface and a surface adjacent to the opening, and wherein the flexible membrane is sealingly attached to the opening of the tube by an adhesive disposed on the surface adjacent to the opening.
21. The replaceable and disposable cartridge of claim 18, wherein the tube further comprises a second sealed end, the second sealed end comprising an opening at the second end of the tube and a flexible membrane disposed over and around the second opening to seal the second opening.
22. The replaceable and disposable cartridge of claim 18, wherein the canister body has a cavity of a predetermined volume and shape and the replaceable and disposable cartridge has a predetermined volume and shape corresponding to the volume and shape of the canister body and is received within the cavity.
23. The replaceable and disposable cartridge of claim 18, wherein the pouring spout cap encloses the replaceable and disposable cartridge within the cavity when the pouring spout cap is in the closed position.
24. The replaceable and disposable cartridge of claim 22, wherein the pouring spout cap further comprises an upper surface defining a first lower portion of a dispensing chamber and a spout, a cap lid attached to the upper surface of the pouring spout cap defining a second upper portion of the dispensing chamber, wherein the first lower portion of the dispensing chamber and the second upper portion of the dispensing chamber define the dispensing chamber from which the dry, pourable material is dispensed from the replaceable and disposable cartridge, through the pierce pin into the dispensing chamber, and out of the dispensing chamber through the spout for dispensing the dry, pourable material from the dispenser.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A packaging container having a beaker-shaped bottom part intended to hold packag goods and having an upper edge defining a beaker opening and a lid which closes said beaker opening, characterized in that said bottom part is a deep-drawn plastics beaker having a top edge which is formed by deep drawing so as to have a calibrated wall thickness and which forms a substantially no-play receiver for the lid.
2. A packaging container as defined in claim 1, characterized in that the beaker-shaped bottom part is of plastics material and is capable of being stacked.
3. A packaging container as defined in claim 1 or claim 2, characterized in that the plastics beaker-shaped bottom part is made of a sterilizable plastics material.
4. A packaging container as defined in any one of claims 1 to 3, characterized in that calibration of the wall thickness of the upper edge of the beaker-shaped bottom part guarantees a tolerance of 0.03 mm or less, based on a thickness of the edge of 0.4 mm.
5. A packaging container as defined in any one of claims 1 to 4, characterized in that the beaker-shaped bottom part is made of a translucent or transparent plastics material.
6. A process for the production of a packaging container as defined in any one of claims 1 to 5, characterized in that a deep-drawable plastics sheet is deep-drawn by means of a deep-drawing die which comprises a top ram and a depresser exhibiting a circumferential shoulder which presses said deep-drawing sheet against a seat and fixes it in position during the deep-drawing operation, and the deep-drawing die further comprises a circumferential ring-shaped projection disposed radially inwardly of said shoulder and extending downwardly, which is moved beyond the shoulder of the depresser to project into the beaker space of the deep-drawing die, the wall thickness of the edge of the beak r-shaped bottom part being calibrated thereby to a specific thickness, whilst the beaker space of the bottom part is formed by the top ram in a manner known per se.
7. A process as defined in claim 6, characterized in that said d press r and said ring-shaped, downwardly projecting projection are moved to their respective working positions for calibrating the thickness of the edge of said beaker-shaped bottom part, after which the top ram shapes the deep-drawing sheet to form said beaker-shaped bottom part.
8. A process as defined in claim 7, characterized in that said depresser and said ring-shaped, downwardly projecting projection are moved together and simultaneously to their respective working positions.
9. A process as defined in claim 8, characterized in that a depresser is used which forms a single unit with said downwardly projecting molded-on annular projection serving to determine the thickness of the edge of the beaker-shaped bottom part.
10. A process as defined in any one of claims 6 to 9, characterized in that the ring-shaped, downwardly projecting projection provided for calibrating purposes is cooled.