Coating apparatus – With vacuum or fluid pressure chamber
Patent
1975-06-02
1977-03-29
McIntosh, John P.
Coating apparatus
With vacuum or fluid pressure chamber
118230, 118244, B05C 102
Patent
active
040142884
ABSTRACT:
A machine is disclosed for automatically applying glue to one edge of a multi-leaved paper product to form a pad or book. A plurality of trays are mounted on a wheel-like carrier which is incrementally rotated about a horizontal axis to advance the trays in a circular path. The trays lie essentially in angularly spaced planes intersecting at a common line that is the axis of the carrier, and are loaded on at a time after arriving at a loading position in which the tray to be loaded is horizontally disposed with its receiving surface facing upwardly. Each product is hand loaded into the respective tray from outside the circular carrier, with the inside edge being placed against a jogging bar that is parallel to the carrier axis. The loaded product is sensed by a microswitch and, after a delay period during which time a holding clamp on the tray engages the product, the carrier is automatically advanced one increment to move the next tray to the loading position. Glue is applied to the inside edges of the products as the trays pass in succession between a pair of adjacent positions at the top of the circular path; an applicator roll is disposed with its axis parallel to the carrier axis so that the entire length of each advancing edge is glued in a transverse sweep. The holding clamp of each tray disengages to release the finished product and deliver the same after the tray passes the bottom of the circular path on its way back to the loading position.
REFERENCES:
patent: 1989471 (1935-01-01), Belcher
patent: 2016933 (1935-10-01), Smith et al.
Chase D. A. N.
Falstad William J.
McIntosh John P.
Mellon Kenneth L.
Spohn Russel
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