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US 5,090,597 AGranted
Masonry grout bag
AssigneeWestco Plastics, Inc.
InventorGregory J. Johnson
Life of this patent
Estimating the term…
Abstract
A masonry grout bag having an integral semi-rigid tip formed by immersing the tip in a liquid rubber-like coating compound. The liquid rubber-like coatings cure to form a semi-rigid layer upon the internal and external surfaces of the tip. The grout bag is used for applying grout to masonry structures, such as tile floors, during athe installation process.
Claims4
A masonry grout bag comprising:
- (a) a bag formed of a flexible material for holding grout, said bag having first and second openings, the first opening being larger than the second opening;
- and
- (b) a semi-rigid tip formed as an integral part of said bag, said tip having an interior surface and an exterior surface and including a coating of semi-rigid material formed on said interior and exterior surfaces so as to be in laminar contact with the flexible material of said bag.
Dependencies are inferred from the claim text.