Molding material containing reinforcing fibers, method for producing molded articles using same and safety shoe toe cap
US6333105A · kind A · utility
193Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2000 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | Feb 17, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2967
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A molding material comprising a reinforcing fiber 1 bundle evenly sheathed by a resin layer 2 and having an oblong shape with at least two lengthwise faces that are flat faces 3; and a method involving thermal preforming of a given amount of the molding material and placing the preformed material into a mold for molding through application of heat and pressure, affording lightweight high-strength molded articles, such as safety shoe toe caps, in high yield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.