Plastic and nonmetallic article shaping or treating: processes – Recycling of reclaimed or purified process material – Of gaseous process material
Patent
1988-08-08
1989-09-12
Hoag, Willard
Plastic and nonmetallic article shaping or treating: processes
Recycling of reclaimed or purified process material
Of gaseous process material
B29C 3912, B29C 3910
Patent
active
048657824
ABSTRACT:
A grouting method which is carried out by means of a grouting machine which has a grout dispensing means for depositing grout between prepositioned floor tiles and on the upper surfaces of the tiles and which contains a grout removal means for removing excess grout from the upper surfaces of the tiles. The remaining grout fills the spaces between the sides of the tiles.
The method involves the steps of dispensing the grout into the spaces between the tiles and on the upper surfaces thereof and then removal of the grout from the upper surfaces of the tile. Addition of a diluent to the film of grout to form a slurry therewith is also provided. The involved grout removal means includes a slurry formation means and a slurry pick-up means which is formed by at least one take-up roller assembly and a perforated slurry intake tube. An air conducting system is used for moving the slurry to a storage tank by operation of a vacuum source. Excess diluent which is used in the slurry formation means is separated from the slurry for recycling in the storage tank.
A vibrator means is provided to assure the uniform deposit of grout into the cracks between the prepositioned tiles. A drive motor, vacuum pump and diluent pump are provided on the grouting machine for operation of the various means. The grouting method is disclosed and claimed in this divisional application.
REFERENCES:
patent: 2578080 (1951-12-01), Middlestadt
patent: 3246583 (1966-04-01), Schiller
patent: 3735545 (1973-05-01), Bernett
patent: 4043487 (1977-08-01), Price
patent: 4264549 (1981-04-01), Utner
Hoag Willard
Jordan Gary L.
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