Claims
- 1. A method for moistening the flap edge of an envelope, comprising directing a spray of a liquid at said envelope flap edge via a nozzle, along a given locus in a given plane, driving said envelope at first and second spaced apart positions in a first direction in said given plane upstream and downstream, respectively, of said nozzle, providing position signals that are a function of the position of said flap edge in said plane, moving said nozzle in response to said position signals in a direction substantially parallel to said plane for moistening said flap edge at positions along said plane, providing first and second signals corresponding to the speed of said envelope as said envelope is being moved at said first and second positions, respectively, said step of moving said nozzle comprising controlling the position of said nozzle as a function of said first signals for moistening a first portion of the flap of said envelope, and controlling the position of said nozzle as a function of said second signals for moistening a second portion of the flap of said envelope.
Parent Case Info
This application is a divisional of application Ser. No. 07/291,088, filed Dec. 28, 1988, now U.S. Pat. No. 5,007,371.
US Referenced Citations (15)
Divisions (1)
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Number |
Date |
Country |
Parent |
291088 |
Dec 1988 |
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