Composite board structure using a corrugated fiberboard and a method of and an apparatus for producing the composite board structure
US4170674A · kind A · utility
18Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 20, 1977 |
| Grant date | Oct 9, 1979 |
| Priority date | — |
| Expiry date | Jul 20, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24727
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composite board structure comprising a corrugated fiberboard consisting of at least one liner and at least one corrugated paper medium bonded to the liner by means of a layer of a hot melt adhesive material, the liner being covered with a facing web of a woven or unwoven fabric which has its fibers scatteringly filling in perforations formed in the liner and sticking to the layer of the hot melt adhesive material so as to be securely fastened to the liner without use of any adhesive material between the liner and the facing web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.