Robert E Kidder

US Patent:

46466762, Mar 3, 1987

Filed:

Sep 20, 1985

Appl. No.:

6/778237

Inventors:

Robert A. Kidder - Lowell MA
Stanley R. Vancelette - Manchester NH
Willis B. Whalen - Wilmington MA
Robert D. Di Nozzi - Beverly MA

Assignee:

USM Corporation - Flemington NJ

International Classification:

B05C 116

US Classification:

118243

Abstract:

An adhesive dispenser for metering very small quantities of viscious liquids (grease-like materials) or thick pastes (putty-like materials) and transferring the metered material as a hemispherical or conical dot to a substrate at a high rate of speed. This device can be used to place adhesives between the conductive lands of a printed circuit board to adhere "chip type" electronic components between the conductive lands of the board. The dispenser comprises an outer cylinder carried in a support housing for movement toward and away from the board, the outer cylinder carries an adhesive metering device which places a dot of adhesive on the board.