Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1975-01-15
1976-11-02
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156352, 156363, 156368, 156566, 156570, 156583, 156DIG44, B65C 102, B65C 940
Patent
active
039895742
ABSTRACT:
Automatic label applying apparatus comprises a conveyor for moving packages to a weigh scale and from thence to a label application station where a reciprocably movable vacuum type heated label applicator receives an appropriately printed label from a label issuing means and applies it to the appropriate package. A vacuum system connected to the label applicator holds the label thereon and also operates a pneumatic cylinder for a lock-out arm to prevent the heated label applicator from making contact with and burning a package when the vacuum system senses that no label is present. An electronic control system, including a photocell for sensing if a package is at the station and also including a limit switch actuated by the lock-out arm (and therefore indicative of the presence or absence of a label), operates to stop the conveyor after a predetermined interval of time in the event that a package is present at the station but no label is available to the label applicator. The electronic control system includes an adjustable time delay circuit for changing the interval of time during which the conveyor remains in operation after a package arrives at the station and before the label is applied so as to compensate for packages of different size and different conveyor speeds. An optionally usable warning device is included in the control system to warn that no label is present. Furthermore, an optionally usable control switch is provided to enable the conveyor (but not the label applicator) to continue in operation even though no labels are available.
REFERENCES:
patent: 3232815 (1966-02-01), Klopfenstein et al.
patent: 3264161 (1966-08-01), Stremke, Jr.
patent: 3284265 (1966-11-01), Carroll et al.
patent: 3372079 (1968-03-01), Fellner et al.
patent: 3616094 (1971-10-01), Navin et al.
patent: 3751321 (1973-08-01), Hagemann et al.
patent: 3769139 (1973-10-01), Woods
Lewris Basil J.
Nilles James E.
Powell William A.
Sturtevant Industries, Inc.
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