Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Patent
1986-02-10
1989-04-18
Sneed, H. M. S.
Cleaning and liquid contact with solids
Processes
Using sequentially applied treating agents
156625, 156635, 252 794, 252143, 427136, 427309, 15320, 15321, 15345, 15346, 15347, 15353, 15363, B08B 3000
Patent
active
048224316
ABSTRACT:
This invention is concerned with a machine and method for automatically removing a curing film or membrane from a concrete floor surface and etching that surface in preparation for applying a surface coating and doing this in less time than has heretofore been required for such floor preparation.
REFERENCES:
patent: 3481879 (1969-12-01), Salomone
patent: 3879789 (1975-04-01), Kasper
patent: 4469525 (1984-09-01), Dodge
patent: 4586213 (1986-05-01), Bricher et al.
Bricher Charles W.
Snetting Mark E.
Cohen Sharon T.
Sneed H. M. S.
Tennant Company
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