Coating apparatus – With cutting – punching or tearing of work – Web or sheet work
Patent
1977-12-28
1979-04-17
Meister, J. M.
Coating apparatus
With cutting, punching or tearing of work
Web or sheet work
83112, 83152, 83156, 83251, 83260, 83262, 118 50, 118249, B26D 520
Patent
active
041494849
ABSTRACT:
A cutting apparatus for severing portions of identical length from a strip. This cutting apparatus comprises a feed means which is coupled to a drive means and which is adapted to feed the strip to a pair of advancing rolls located between the feed means and a cutting element. One of these advancing rolls is coupled to the drive means and is provided with a cam surface having a larger radius than the remaining roll surface. This cam surface, together with the other advancing roll, is adapted to engage the strip to move the strip forward towards a pair of receiving rolls through a distance determined by said cam surface. The central axes of the receiving rolls lie in a plane that is parallel to the plane through the central axes of the advancing rolls. The receiving rolls are located on the side of the cutting element remote from the advancing rolls, at such a distance from the advancing rolls that the front end of the strip, in the position where it is released by the advancing rolls, lies in the plane through the central axes of the receiving rolls. One of the receiving rolls is coupled to the drive means and is provided with a recess in its circumferential surface. The cutting element is controlled so as to perform the cutting operation at the moment in which this recess is located adjacent the other receiving roll, thus causing the strip to be released, whereupon the severed strip portion is removed. The driven advancing roll and the driven receiving roll are driven at the same peripheral velocity as measured with respect to their maximum radius while a manually operated adjusting mechanism is coupled to one of these latter rolls for readjusting this roll.
REFERENCES:
patent: 998736 (1911-07-01), Armstrong
patent: 2318107 (1943-05-01), Scheffey
patent: 2947358 (1960-08-01), Hawxhurst
Buhrs-Zaandam B.V.
Meister J. M.
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