Cryogenic mechanical means of paint removal

Details Cryogenic mechanical means of paint removal Cryogenic mechanical means of paint removal

1990-07-05

1991-09-03

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51319, 51321, 51410, B24C 100

Patent

active

050441299

ABSTRACT:
A method for cryogenic removal of paint and other surface coatings is disclosed. Alternate stream pulses of a cryogenic fluid and abrasive beads are directed at a surface coating to alternately embrittle and then shatter the coating. The pulse durations and the time intervals between pulses are generally less than one second and may be on the order of micro and milliseconds. The cryogenic stream pulses may also be alternated with other mechanical paint removal methods.

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