Solution and process for chemically resharpening smoothing tools

Details Solution and process for chemically resharpening smoothing tools Solution and process for chemically resharpening smoothing tools

1993-10-12

1995-01-17

Dang, Thi

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

252 792, 252 794, C23F 100

Patent

active

053823192

ABSTRACT:
This invention relates to a solution and process for chemically resharpening smoothing, forming, and cutting tools such as files, jigsaw blades, hacksaw blades, coping saw blades, bandsaw blades, and the like. The solution contains preferred concentrations of phosphoric acid, anionic and nonionic surfactants including ethyl alcohol and distilled water. The tools are immersed in the solution for a period of 2 to 5 hours depending upon the wear to the tools, after which the tools are removed, wiped, and allowed to air dry to allow a rust resistant coating from the solution to adhere to the tools.

REFERENCES:
patent: 4070193 (1978-01-01), Tucker
patent: 4668421 (1987-05-01), Dollman
patent: 4940493 (1990-07-01), Neidiffer et al.
patent: 5019288 (1991-05-01), Garcia

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