Unitary dishwashing product comprising detergent block in container and use thereof

• US 4,808,236 A
• Filed: 10/30/1987
• Issued: 02/28/1989
• Est. Priority Date: 10/30/1987
• Status: Expired due to Term

• Current Assignee: Diverseylever Incorporated (Unilever PLC)
• Original Assignee: Diversey Limited (Sealed Air)
• Inventors: Davis, Clyde V. Jr.
• Primary Examiner(s): Barr, Josephine
• Application Number:
  US07/114,766
• Time in Patent Office: 487 Days
• Field of Search: 252/90, 252/99, 252/135, 252/103, 252/134, 252/92, 134/25.2, 220/429, 206/77.1
• US Class Current: 134/25.2
• CPC Class Codes: A47L 15/4445 Detachable devices

Abstract

A product comprising a container having a closed top, side wall and open mouth bottom; a removable lid closing the container open mouth bottom; an opening in the container top; a tab removably closing the opening in the container top; and a solid detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top.

A method of washing dishes and utensils in a dishwashing machine comprising placing soiled dishes and utensils in a dishwashing machine having a washing chamber; removing the container lid and the tab closing the opening in the container top; placing the product in a dishwashing machine with the container top upright and the container and solid detergent block bottoms supported on a foraminous surface with clearance space between the block and container wall; closing the dishwashing machine and supplying washing water to the machine washing chamber as a spray so that water enters the opening in the container top and flows downwardly in the container along the side of the block thereby dissolving some of the detergent and forming a detergent solution which flows out of the container and mixes with water to form a washing solution; and recycling the washing solution into washing contact with the dishes and utensils to clean them.

Claims

1. A product comprising:

a container having a closed top, side wall and open mouth bottom;

a removable lid closing the container open mouth bottom;

an opening in the container top;

means removably closing the opening in the container top; and

a solid detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top.

2. A product according to claim 1 in which the solid detergent composition is a monolithic solid formed by casting a liquid detergent composition into the container and solidifying it therein.

3. A product according to claim 2 in which the solid has a bottom surface above the container open mouth bottom.

4. A product according to claim 2 in which the container is a substantially truncated conical shell wider at the bottom than the top.

5. A product according to claim 4 in which the container has a thin flexible top, side wall and bottom lid.

6. A product according to claim 5 in which the bottom, side wall and lid are made of a water resistant material.

7. A product according to claim 1 in which the means removably closing the opening in the container top is a tab covering the hole and adhered to the container top outer surface.

8. A product according to claim 2 in which the solid detergent adheres to the container internal surface but is releasable therefrom by tapping the container bottom against an object beneath it.

9. A method of washing dishes and utensils in a dishwashing machine comprising:

placing soiled dishes and utensils in a dishwashing machine having a washing chamber;

manually grasping a product comprising a container having a closed top, side wall and open mouth bottom;

a removable lid closing the container open mouth bottom;

an opening in the container top;

means removably closing the opening in the container top; and

a solid block detergent composition in the container having a shape conforming to the internal volume defined by the container top and a substantial height of the side wall extending downwardly from the top;

removing the lid and the means removably closing the opening in the container top;

placing the manually grasped product in a dishwashing machine with the container top upright and the container and solid detergent block bottoms supported on a foraminous surface with clearance space between the block and container wall;

closing the dishwashing machine and supplying washing water to the machine washing chamber as a spray so that water enters the opening in the container top and flows downwardly in the container along the side of the block thereby dissolving some of the detergent and forming a detergent solution which flows out of the container and mixes with water to form a washing solution; and

recycling the washing solution into washing contact with the dishes and utensils to clean them.

10. A method according to claim 9 in which the solid detergent composition is a monolithic solid formed by casting a liquid detergent composition into the container and solidifying it therein.

11. A method according to claim 9 in which the solid has a bottom surface above the container open mouth bottom.

12. A method according to claim 9 in which the container is a substantially truncated conical shell wider at the bottom than the top.

13. A method according to claim 12 in which the container has a thin top, side wall and bottom lid.

14. A method according to claim 13 in which the bottom, side wall and lid are made of a water resistant material.

15. A method according to claim 9 in which the means removably closing the opening in the container top is a tab covering the hole and adhered to the container top outer surface.

16. A method according to claim 10 in which the solid detergent adheres to the container internal surface but is releasable therefrom by tapping the container bottom against an object beneath it.

17. A method according to claim 9 in which the solid detergent composition is a compressed powdered or granular detergent composition.