Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to work material – the product or means engaging...
Patent
1984-08-14
1986-12-16
Husar, Francis S.
Manufacturing container or tube from paper; or other manufacturi
Control means energized in response to activator stimulated...
Responsive to work material, the product or means engaging...
493177, 493409, 493417, 493425, 493453, B31B 100
Patent
active
046294457
ABSTRACT:
A case making machine is provided with an apparatus for folding rear portion of a feeding case blank and the apparatus comprises a claw mechanism for folding the rear portion of the case blank along the folding line. The claw mechanism is rotated at an angular speed which is changed by a cam mechanism operated by a driving source through a drive shaft and a link mechanism. An electromagnetic valve is further provided for controlling the operation of the claw mechanism. The valve is actuated by an electric circuit such that the electromagnetic valve can be operated in synchrony with the advancing speed of the blank. This result is achieved by increasing pulse numbers inputted into the circuit to account for the rise time interval of the electromagnetic valve.
REFERENCES:
patent: 2883917 (1959-04-01), Labonbard
patent: 3901134 (1975-08-01), Reizenstein et al.
patent: 4119018 (1978-10-01), Nava
patent: 4432745 (1984-02-01), Eldridge
Husar Francis S.
Showalter Robert
Tanabe Machinery Co., Ltd.
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