Coating processes – Coating remains adhesive or is intended to be made adhesive
Patent
1986-03-18
1987-11-03
McIntosh, John P.
Coating processes
Coating remains adhesive or is intended to be made adhesive
118411, 118302, 427421, B05C 502, B05C 1100, B05D 126
Patent
active
047043083
ABSTRACT:
A method and apparatus for maintaining a glue applicator unit ready for operation after short or long term stoppages of a gluing operation. During short term stoppages, the applicator unit is pivoted away from the workpieces to which the glue is to be applied to a first rest position at which the nozzles are brought into tight engagement with a sealing means that includes a yieldable surface to surround and overlie the nozzles to provide an airtight seal. During long-term stoppages the glue applicators are pivoted beyond the first rest position to a second rest position at which the nozzles are in communication with a drain channel and purge fluid is sent through the applicator to pass through the nozzles and carry the glue and purge fluid to a collecting container, so that the nozzles are clear for subsequent start-up of the glue-applying operation.
REFERENCES:
patent: 2336042 (1943-12-01), Smith
patent: 3088433 (1963-05-01), Walter et al.
patent: 3299854 (1967-01-01), Van Lobensels
patent: 3416491 (1968-12-01), Turnbull et al.
patent: 3981122 (1976-09-01), Johnson
patent: 4542710 (1985-09-01), Nakayama
Maneke Siegfried
Simon Helmut
McIntosh John P.
Windmoller & Holscher
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