Cutting – With means to convey work relative to tool station – Cut made parallel to direction of and during work movement
Patent
1989-06-09
1991-10-08
Eley, Timothy V.
Cutting
With means to convey work relative to tool station
Cut made parallel to direction of and during work movement
83152, 83154, 83345, B23D 2500, B23D 1900
Patent
active
050543466
ABSTRACT:
The running web of tipping paper in a filter tipping machine of the tobacco processing industry is repeatedly severed by successive knives on a rotary carrier while the leader of the web is attracted to the peripheral surface of a counterknife. The peripheral surface of the counterknife is provided with axially parallel grooves flanked by internal surfaces one of which cooperates with the cutting edge of a knife to progressively sever the web in a direction from one marginal portion toward the other marginal portion. The cutting edges of the knives are inclined with reference to the axis of rotation of the carrier in the radial direction as well as in the circumferential direction of the carrier. A rotary eccentric is provided to shorten and lengthen the path of movement of the web toward the counterknife in order to establish gaps between successively separated uniting bands and the leader of the web.
REFERENCES:
patent: 2311692 (1943-02-01), Potdevin
patent: 2499570 (1950-03-01), Crafts
patent: 3110209 (1963-11-01), Takehara
patent: 3703841 (1972-11-01), Crawford
patent: 4344610 (1982-08-01), Jeschke et al.
patent: 4943341 (1990-07-01), Mattei
Eley Timothy V.
Kontler Peter K.
Korber AG
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