Coating process for manufacturing enlarged smooth teeth ends on a comb
US5078928A · kind A · utility
14Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1990 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Apr 24, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/805
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for permanently attaching smooth finished globules of coating material to the ends of the teeth of molded plastic combs, picks, lifts and the like, including roughening or oxidizing the teeth ends to remove the gloss finish and form a more adherent surface; dipping the roughened teeth ends into a bath of liquid coating material to attach a globule of coating material to each tooth end and cover the sharp mold-parting line located thereat; and drying the globules attached to the teeth ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.