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US 2025/0196460 A1Published application
Single face tube die-cut and sheet process
AssigneeWestRock Shared Services, LLC
InventorGregory P. MAGNELL
Life of this patent
Estimating the term…
Abstract
A system comprises a corrugator single facer configured to receive a first web and a second web, to corrugate the first web and adhere the first web in a corrugated state to the second web in an uncorrugated state to form a single face corrugated web as output. The system also includes a folder gluer operatively connected to receive the single face corrugated web from the corrugated single facer. The folder gluer is configured to fold and adhere the single-face corrugated web into a tube.
Claims22
A system comprising:
- a corrugator single facer configured to receive two webs, a first web in an uncorrugated state and a second web in the uncorrugated state, to corrugate the first web upon receipt and adhere the first web in a corrugated state to the second web in an uncorrugated state to form a continuous single face corrugated web as output;
- a rotary a rotary die cutting machine connected to receive the continuous single-face web from the corrugated single facer and cut a pattern in the single-face web into tandem portions of the single-face web;
- and
- a folder gluer operatively connected to receive the single face web from the corrugated single facer and simultaneously fold and adhere each of the portions of the tandem portions of the single-face web into a single-face corrugated tube.
1 more element
(canceled)
A method comprising:
- producing a continuous single-face corrugated web;
- receiving the continuous single-face web and cutting a pattern in a single-face upstream into tandem portions of the single-face web;
- and
- folding and adhering each of the portions of the tandem portions of the single-face web simultaneously to form a single-face corrugated tube.
1 more element
(canceled)
Dependencies are inferred from the claim text.