Cutting – With means to deform work temporarily
Patent
1978-01-16
1979-11-27
Meister, J. M.
Cutting
With means to deform work temporarily
83253, 83268, B26D 522
Patent
active
041754565
ABSTRACT:
A feeding and cutting device in which a continuous web of sheet material provided with spaced transverse central slits is step advanced by feeding means along a web path to cutting means comprising a movable blade and a stationary blade arranged on opposite sides of said web path on a fixed cutting plane substantially at right angles to said web path, said feeding means advancing the web so that, at the end of each advancing step, one slit is located a short distance downstream from said cutting plane; reciprocating pushing means being operable, at the end of each advancing step, in a direction towards said stationary blade and parallel to said cutting plane to engage the web downstream from said one slit so as to depress the leading edge thereof; and return feeding means being operable, in a direction opposite to said feeding means and before operation of said movable blade, to displace said web backwards until said depressed leading edge engages a lateral downstream edge of said stationary blade.
REFERENCES:
patent: 734215 (1903-07-01), Bilgram
patent: 979406 (1910-12-01), Armstrong
patent: 2501334 (1950-03-01), Hubelmeyer
patent: 2576792 (1951-11-01), Johnson
patent: 2725101 (1955-11-01), Vonttofe
patent: 2985990 (1961-05-01), Waite et al.
patent: 3435717 (1969-04-01), Macomber
G. D. Societa per Azioni
Meister J. M.
Palmatier H. Dale
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