Water soluble package for delivery of additives for powdered compositions

Patent metadata

Field	Value
Publication number	US-9944443-B2
Application number	US-201514856333-A
Country	US
Kind code	B2
Filing date	Sep 16, 2015
Priority date	Jan 5, 2015
Publication date	Apr 17, 2018
Grant date	Apr 17, 2018

Abstract

A joint compound system is provided including a main container of base joint compound; and an additive container isolated from the base joint compound and housing at least one and preferably multiple water soluble additive packages constructed and arranged so that the additive packages are protected from exposure to moisture prior to their ultimate mixing with the base joint compound.

First claim

The invention claimed is:

1. A joint compound system, comprising:
a main container containing base joint compound; and
a lid removably connected to said main container; and
an additive container fixed to and extending from an underside of said lid and isolated from said base joint compound, said additive container including a cavity housing multiple, individually sealed, water soluble additive packages constructed and arranged to be removable from the additive container and configured so that the additive packages are protected from exposure to moisture prior to their ultimate mixing with said base joint compound.

2. The joint compound system of claim 1 , in which said base joint compound is either powder or ready mix.

3. The joint compound system of claim 1 , in which said additive container is provided with a frangible wall.

4. The joint compound system of claim 1 , wherein said additive packages are enclosed in water soluble polyvinyl alcohol.

5. The joint compound system of claim 1 , in which said additive is taken from the group consisting of retarders, accelerators, activators, pigments, adhesion promoters and dust reducers.

6. The joint compound system of claim 5 , wherein, each of said packages contain one of the same or different additives as the other said packages in said plurality.

7. The joint compound system of claim 1 , in which said additive packages contain additive in the range of 5 to 20 grams.

8. The joint compound system of claim 7 , wherein said additive packages contain 10 grams of additive.

9. The joint compound system of claim 1 , wherein at least one of said additive packages contains a complete joint compound.

10. A joint compound system, comprising:
a main container containing base joint compound;
a lid removably connected to said main container; and
a separate container fixed to and depending from an underside of said lid that is distinct from said main container and includes an opening, said separate container housing multiple, individually sealed, water soluble additive packages being removable through said opening and constructed and arranged so that the additive packages are protected from exposure to moisture prior to their ultimate mixing with said base joint compound.

11. The joint compound system of claim 10 , wherein said additive packages are enclosed in water soluble polyvinyl alcohol.

12. The joint compound system of claim 10 , in which said additive is taken from the group consisting of retarders, accelerators, activators, pigments, adhesion promoters, and dust reducers.

13. The joint compound system of claim 12 , wherein each of said packages contains one of the same or different additives as the other said packages in said plurality.

14. The joint compound system of claim 10 , in which said additive packages contain additive in the range of 5 to 20 grams.

15. The joint compound system of claim 14 , wherein said additive packages contain 10 grams of additive.

Assignees

• United States Gypsum Co

Inventors

• Sheldon Joshua D
• Bernicke-Grussing Nancy L
• Grussing Jeffrey F
• Immordino Salvatore C
• Kincaid Tyler

Classifications

• B65D51/2842

  said element being provided with a preformed weakened line (B65D51/2821 takes precedence) · CPC title

• B65D81/3205

  Separate rigid or semi-rigid containers joined to each other at their external surfaces (B65D81/3288 takes precedence) · CPC title

• B65D81/3216

  Rigid containers disposed one within the other · CPC title

• B65D51/28 Primary

  with auxiliary containers for additional articles or materials {(B65D51/247 takes precedence)} · CPC title

• B65D51/2828

  said element being a film or a foil (B65D51/2821, B65D51/2842 take precedence) · CPC title