Method and apparatus for glueing and preheating corrugated board
US4655870A · kind A · utility
8Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Feb 20, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1798
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a method for glueing corrugated board and an apparatus for carrying out the same, the method comprising: heating a starch glue to a predetermined temperature range by heat exchange; supplying the starch glue to a glue pan placed in a hot atmosphere of a heat-insulated space so as to maintain the glue in a heated state; feeding a corrugated core sheet and a liner into the heat-insulated space; applying the heated starch glue to ridge portions of the corrugated core sheet; and bonding together the corrugated core sheet and liner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.