Forming method of throttle apparatus for internal combustion engine
US7107683B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2004 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Nov 8, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4998
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A molding dies have a first shaft holding portion and a second shaft holding portion. The first shaft holding portion supports an outer surface of a metal shaft which is exposed between an axial end surface of the throttle valve and a first collar molded in the throttle body. The second shaft holding portion supports an outer surface of the metal shaft which is exposed between the other axial end surface and a second collar molded in the throttle body. The first and the second collar have a first and second shaft holes into which the metal shaft is inserted. The first and the second holding portions restrict a flowing of melted resin into the first and the second shaft holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.