Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1977-02-24
1978-10-10
McIntosh, John P.
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
222571, B05C 502
Patent
active
041190580
ABSTRACT:
There is disclosed a glue applicator which essentially consists of a housing provided with an applicator nozzle, with valve means, and with a passage to conduct glue to the nozzle, the valve means being interposed between the passage and the nozzle and comprising a valve slide slidable in a bore in the housing to control communication between the passage and the nozzle. By movement of an article past the nozzle, a glue coating in strip form can be applied to the article. The housing may also include means for storing, heating and pressure feeding the glue, and suction means connectable to the nozzle to suck glue back up the nozzle when the supply from the passage is interrupted by the valve slide. The applicator may have a number of such nozzles, controlled either by a single valve slide or by a number of such valve slides. Also disclosed is glue equipment comprising a glue applicator of the above-mentioned kind and a control system for controlling a supply of a pressure medium, such as compressed air, to pressure feed glue to the nozzle or nozzles of the applicator. Finally, there is disclosed gluing apparatus comprising the applicator in multi-valve form and actuating means firstly to actuate the valve slides of the applicator independently of each other and cyclically during operation of the apparatus, and secondly to actuate the valve slides to close all of the nozzles when the apparatus is stopped. The applicator can be arranged so that the part of its housing with the valve slides and nozzles can be uncoupled from the actuating means and removed from the rest of the apparatus.
REFERENCES:
patent: 1613521 (1927-01-01), Martin
patent: 2537872 (1951-01-01), Wright
patent: 3141578 (1964-07-01), Quinn
patent: 3298353 (1967-01-01), Huffman
patent: 3332580 (1967-07-01), Spencer et al.
patent: 3603286 (1971-09-01), Scopp et al.
patent: 3892339 (1975-07-01), Idler
patent: 3965860 (1976-06-01), Cone et al.
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