Cutting – Cutting motion of tool has component in direction of moving... – Orbital motion of cutting blade
Patent
1982-05-24
1985-08-13
Schran, Donald R.
Cutting
Cutting motion of tool has component in direction of moving...
Orbital motion of cutting blade
83367, 83371, 83365, B25D 156, B23D 2502
Patent
active
045342539
ABSTRACT:
A device for feeding a continuous web, for cutting it into pieces and having automatic reel change for changing the reels from which the web is unwound is described. This device includes a cyclic cutting device positioned at the confluence of two tracks, along which two continuous webs are unwound from corresponding reels are fed, and controls for controlling the generation of a signal when an associated reel is exhausted; along each of the tracks there are provided a mechanism for feeding the webs from the reels to the cutting device, and such feeding mechanism include, for each track, a pair of feed rollers for feeding the associated web to the cutting device. The main characteristic of this device lies in the fact it includes a pulse generating unit for generating pulses having a phases related to the cutting device and a frequency which is a function of the cutting frequency of the cutting device, and drive means for the pair of rollers constituted by a stepping motor responsive to the pulse generating unit.
REFERENCES:
patent: 3983774 (1976-10-01), Seragnoli
patent: 4267752 (1981-05-01), Byrt et al.
patent: 4287797 (1981-09-01), Seragnoli
G. D. Societa per Azioni
Schran Donald R.
Wolfe James
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