| 摘要 |
An entry lock system for feeding web from a web supply to a web processing installation, the entry lock system comprising a first chamber having an inlet port and an outlet port, a second chamber having an inlet port, a first seal positioned at the inlet port of the first chamber, a second seal positioned between the first chamber and the second chamber, a first web storage unit positioned in the first chamber; and a second web storage unit positioned in the second chamber.
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