Device for treating printed circuit boards, in particular for pu

Details Device for treating printed circuit boards, in particular for pu Device for treating printed circuit boards, in particular for pu

1988-03-11

1989-08-08

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 81R, 511255, 51283R, 125 16R, 125 35, 198379, B24B 700, B24B 900

Patent

active

048540811

ABSTRACT:
The proposed device comprises a treatment unit (30) substantially made up of a feed guide (6) for the board and one or more rotating brushes (5) having their axes of rotation perpendicular to the board; this unit is followed by a flip-over assembly (31) and then by a second treatment unit (30) identical to the first. The treatment liquid reaches the center of each brush (5) through a duct. The brush assembly moves transversely; in addition each brush can have an orbital movement. The flip-over assembly (31) consists of a series of facing drive roller pairs (34) mounted on a carriage (32) that can be rotated at 180.degree. around an axis (33). These rollers (34) are such that they can rotate in two different directions.

REFERENCES:
patent: 2080198 (1937-05-01), Brandenburg
patent: 2666282 (1954-01-01), Peterson
patent: 4699564 (1987-10-01), Cetrangolo

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