Method of plasticizing molding material and apparatus therefor
US5202066A · kind A · utility
17Cited by
9References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 15, 1992 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Jan 15, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a plasticization method in which a molding material is supplied to a cylinder having a built-in screw to plasticize the molding material, and further, at least one of the cylinder and the screw is resonated to carry out the plasticization of the molding material. Also disclosed is a plasticization method in which the cylinder is vibrated by progressive waves to plasticize the molding material, and an apparatus able to carry out these plasticization methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.