Eyelet and method of attaching the same
US4890362A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1988 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Dec 23, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49915
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An eyelet having a seat and an eyelet body. The seat has a central hole formed of a tapered cylindrical portion extending and narrowing in the opposite direction of insertion, a curved annular crest extending in the inserting direction from the cylindrical portion, a curved annular trough extending from the annular crest, and a flat portion extending from the annular trough. The eyelet body has a annular flat base and a tapered cylindrical portion extending from the flat base and narrowing in the inserting direciton. The cylindrical portion has a continuous edge which is sharpened to stamp out a sheet to which the eyelet is attached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.