Winding – tensioning – or guiding – Support for a strand material holder – With axial-position retainer for holder
Patent
1977-05-06
1978-06-27
Christian, Leonard D.
Winding, tensioning, or guiding
Support for a strand material holder
With axial-position retainer for holder
242141, B65H 4936
Patent
active
040970043
ABSTRACT:
A method and apparatus are disclosed for the continuous unwinding of a plurality of packages of strand material in succession without stoppages between packages wherein the strand material is pulled from the inside of the packages. The method involves isolating the outside end of the strand of a first package so that this end cannot become entangled with the strand being withdrawn from the inside. The outside end of the strand of the first package is connected to the inside end of the strand of a second package, and the package is controlled as it is being unwound so that the package will not tend to lift or collapse and thus become entangled with itself near the end of its pay-out to thereby provide a complete pay-out of strand for each package and provide transfer from one package to another. The steps are repeated for each subsequent package. Suitable apparatus for accomplishing this result is also described.
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Christian Leonard D.
Curley John E.
McDonald Alan T.
PPG Industries Inc.
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