Coating applicator head
US4466378A · kind A · utility
6Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1982 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Jun 28, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/68
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An applicator head, for applying a coating of material (e.g. hot-melt adhesive) to a passing ribbon comprises an extrusion slot disposed transverse to the direction of passage of the ribbon and arranged to apply a coating of material in at least one continuous band along the ribbon, and an arrangement for intermittently opening and closing an extrusion slot for applying a coating of material discontinuously in a band contiguous with said one band.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.