Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1978-10-19
1980-04-08
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
B65H 1926
Patent
active
041968654
ABSTRACT:
The present invention relates to a method and a device for the transfer of a forwards travelling material web from a first take-up roller, after a terminated winding-up of the material web on said take-up roller, to a second take-up roller, which is kept ready in position close to the forwards travelling material web. The method includes crosswise sectioning of the web to form a front end of the forwards travelling material web and transferring said front end to said second take-up roller in order to wind up the material web on the same, which in connection therewith is kept rotating at a speed adapted to the speed of the forwards travelling material web. The forwards travelling web is caught at a section which results in said crosswise sectioning of the material web and a portion of the material web at the section caught in a bag-shaped condition is brought round said second take-up roller in its sense of rotation, until said portion is pinched between the forwards travelling material web and said second take-up roller. Thus said portion is carried along by the same together with a front end of the material web formed by said crosswise sectioning, which front end is arranged to be set free from its clamped condition.
REFERENCES:
patent: 3062465 (1962-11-01), Hunter
patent: 3345009 (1967-10-01), Rockstrom
patent: 3539125 (1970-11-01), Patrikson
patent: 3592403 (1971-07-01), Schmitt
patent: 3610545 (1971-10-01), Reifenhauser
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