Advancing material of indeterminate length – By intermittent material-mover – Comprising material-moving roll
Patent
1973-10-05
1976-04-13
Lake, Roy
Advancing material of indeterminate length
By intermittent material-mover
Comprising material-moving roll
93 36R, 226 44, 318 73, 318 85, H02P 550
Patent
active
039496554
ABSTRACT:
A box making machine includes a supply roll of a continuous web whose tension is monitored by a pivotally mounted oscillating rod which guides the web by means of a dancer roller provided at one end thereof. The web is carried through an imprinting machine which prints information on the web before it is passed through a die press which punches out portions of the web at predetermined locations on the latter. A cutter machine is provided which cuts the web into blanks suitable to be formed into boxes. The cutter machine includes a drive motor for actuating the cutter and for advancing the web from the supply roll. A box forming machine is provided for operating on the blanks and for forming the same into boxes. The box forming machine includes a drive motor for actuating the box forming machine. A synchoronization circuit, including cams mounted for rotation with respective operation of the drive motor in the cutter and box forming machines, is provided for synchronizing the operation of the cutter machine with the box forming machine independently of the fluctuations in the operation of the respective drive motors. Switches are provided for controlling the operation of the printing machine and die press to actuate the operation of the latter during the cutting step of the cutter machine. Switches, associated with the synchronization circuit, are also provided at extreme positions of the oscillating rod to detect excessively low or high tensions in the web to terminate the operation of the cutter machine and thereby also the operation of the printing and die press machines.
REFERENCES:
patent: 1293288 (1919-02-01), Wright et al.
patent: 2418112 (1947-04-01), De Rosa
patent: 2834919 (1958-05-01), Malmros et al.
patent: 3049308 (1962-08-01), Lang
patent: 3184668 (1965-05-01), Whitecar
patent: 3206641 (1965-09-01), Leeson, Jr. et al.
patent: 3485426 (1969-12-01), Apicella
Abrams Neil
Lake Roy
United States Box Corporation
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