Web processing with at least one semi-rotary accumulator
AssigneeDelta Industrial Services, Inc.
InventorDavid Schiebout
Life of this patent
Estimating the term…
Abstract
Various apparatus embodiments include first, second, third and fourth shafts, and further include a first movable shaft having a first movable axis that is movable between a first axis position and a second axis position, and a second movable shaft having a second movable axis that is movable between a third axis position and fourth axis position. At least one linkage connects the first movable shaft to the second movable shaft. A motor linkage connects the at least one linkage to at least one motor for providing simultaneous movement of the first and second movable shafts.
Claims20
A method performed on a web fed through a first accumulator, past a station and through a second accumulator to sequentially move a portion of the web through the first accumulator, past the station, and through the second accumulator, the method comprising:
- continuously moving the web at a constant line speed into the first accumulator and moving the web at the constant line speed from the second accumulator;
- and
- using the first and second accumulators to provide variable motion of the web past the station while the web continuously moves at the constant line speed into the first accumulator and at the constant line speed from the second accumulator.
A method performed on a web fed through a first accumulator, past a station and through a second accumulator to sequentially move a portion of the web through the first accumulator, past the station, and through the second accumulator, the method comprising:
- continuously moving the web at a constant line speed into the first accumulator and moving the web at the constant line speed from the second accumulator;
- and
- using the first and second accumulators to provide variable motion of the web past the station while the web continuously moves at the constant line speed into the first accumulator and at the constant line speed from the second accumulator,
- wherein using the first and second accumulators to provide variable motion of the web past the station includes controlling operation of at least one motor linked a first movable shaft in the first accumulator and a second movable shaft in the second accumulator to provide complementary motion of the first movable shaft and the second movable shaft,
- wherein controlling operation of the at least one motor linked to the first movable shaft and the second movable shaft includes implementing a programmed cam profile to control the variable motion.
A web processing system for use with a web running at a constant line speed, the system comprising:
- a first accumulator configured to receive the web continuously moving at the constant line speed, a station configured to operate on the web after the web passes through the first accumulator, and a second accumulator configured to receive the web from the station and allow the web to continuously move away from the second accumulator at the constant line speed,
- wherein the first accumulator and the second accumulator are configured to cooperate to provide variable motion of the web past the station while the web continuously moves at the constant line speed into the first accumulator and at the constant line speed from the second accumulator.
Dependencies are inferred from the claim text.