David L Bilunas

US Patent:

48956031, Jan 23, 1990

Filed:

Dec 19, 1988

Appl. No.:

7/286354

Inventors:

Bernard A. Semp - Richmond VA
Bernard C. Kiernan - Richmond VA
David L. Bilunas - Richmond VA
Michael L. Watkins - Richmond VA

Assignee:

Philip Morris Incorporated - New York NY

International Classification:

B08B 308
B08B 504

US Classification:

134 21

Abstract:

An apparatus and method for in-place cleaning and priming of an in-place nozzle assembly which in normal operation receives from a reservoir and discharges to a work area a fluid material which tends to leave behind an accumulation of undesired residue. The apparatus includes control means for sequentially actuating for a selected cleaning time period first selectively actuatable means thereby to deliver an effective quantity of the cleaning substance to the nozzle and for actuating for a selected rinsing time period second selectively actuatable means thereby to deliver an effective quantity of the rinsing substance to the nozzle. The apparatus also includes third selectively actuatable means for drawing fluid material from the reservoir and delivering the same to the nozzle for a selected priming time period first to flush out any remaining rinsing substance from the nozzle and then to leave the nozzle primed with the fluid material.

US Patent:

52636089, Nov 23, 1993

Filed:

Jun 4, 1991

Appl. No.:

7/710324

Inventors:

Bernard C. Kiernan - Richmond VA
Bernard A. Semp - Richmond VA
Dennis M. Driscoll - Richmond VA
David L. Bilunas - Richmond VA

Assignee:

Philip Morris Incorporated - New York NY

International Classification:

B67D 508
B67D 514

US Classification:

222 1

Abstract:

A method and apparatus for controlling the flow of adhesive onto a moving substrate is provided using a thermal flowmeter. It is particularly designed for the tobacco industry wherein the flow of adhesive onto a continuous ribbon of paper in forming the side seam on tobacco rods requires consistent, controlled flow independent of external factors.