Corrugated cardboard manufacturing process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 3, 2000
Grant Date -
N/A
app pub date -
Dec 10, 1997
filing date -
Feb 27, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for manufacturing corrugated board in which the corrugated board is produced by gluing at least three individual constituent webs (3, 5, 7) respectively on two sides oriented toward each other, wherein in a single work cycle, at a first glue application point (A), a first constituent web (3) is coated with glue and at a second assembly point (B), the first constituent web (3) is glued to a second constituent web (5) to form a half-finished web (31), and wherein in the same work cycle, at a second glue application point (D), glue is applied to a third constituent web (7) or to the half-finished web (31) and the third constituent web (7) is glued to the half-finished web (31) at a second assembly point (C) that is removed in the web travel direction in relation to the first assembly point (B). Furthermore, the invention relates to a device for carrying out the process according to the invention.
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