Process of making an endless belt
US6303072A · kind A · utility
3Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Jul 27, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0177
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for producing an endless belt includes melt-extruding an extrusion material into a cylinder by means of an extruder, where the extrusion material has a tensile break strength of 400 kgf/cm.sup.2 or above and a breaking extension of from 3.0% to 250%, and where the extrusion material is extruded in an extrusion ratio of from 1.05 to 2.80 while a gas is blown into the inside of the melt-extruded cylindrical product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.