Sewing machine frame comprising oriented reinforced fibers
US4556594A · kind A · utility
3Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1984 |
| Grant date | Dec 3, 1985 |
| Priority date | — |
| Expiry date | Sep 18, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31591
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A sewing machine bed having main and open channel sections is molded of glass reinforced thermosetting plastic composition which is injected into the mold through a side gate located opposite the juncture of the main and channel sections providing advantageous fiber orientation resulting in dimensional stability and freedom from warpage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.