Methods and apparatus for making decorative inlaid types of resilient sheet materials and the like
US4212691A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Nov 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24405
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for making decorative inlaid types of resilient sheet materials and the like comprising: depositing a substantially uniform layer of a wet, tacky, ungelled plastisol on a gelled, printed plastisol on a substrate; forming a rolling, churning bank of decorative chips or flakes over a flexible seal blade member which directs the delivery of the decorative chips or flakes from the rolling, churning bank; delivering the decorative chips or flakes from the rolling, churning bank and depositing the same on the layer of wet, tacky, ungelled plastisol, whereby, for the most part, they adhere thereto; moving the gelled, printed plastisol with its substrate and the layer of wet, tacky, ungelled plastisol and decorative chips or flakes forwardly and upwardly at an angle greater than the angle of repose for the decorative chips or flakes on the surface of the wet, tacky, ungelled plastisol, whereby some of the decorative chips or flakes slide backwardly and downwardly into the rolling, churning bank; beating or vibrating the substrate carrying the gelled, printed plastisol, whereby the excess or unadhered decorative chips or flakes slide backwardly and downwardly into the rolling, chur…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.