Parabolic antenna and process for manufacturing the same
US5162810A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 2, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Aug 2, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/3456
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for manufacturing a parabolic antenna, which comprises arranging, in an injection mold beforehand, a thin sheet comprising a film layer having good weather resistance and a radio-reflecting layer coated with said film layer, and heat-plasticating a pellet-type thermoplastic resin composition with an injection molding machine to inject into the mold, whereby the parabolic antenna is integrally molded, said pallet-type thermoplastic resin composition comprising a fibrous inorganic filler which has a length substantially the same as a thermoplastic resin pellet and arranged approximately parallel to the longitudinal direction of said pellet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.