Molded plastic rod with improved break strength
US7229585B2 · kind B2 · utility
0Cited by
5References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 2003 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Jun 11, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249921
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection molded plastic rod suitable for use in a battery hydrometer. Stress-relieving formations are provided symmetrically arranged on opposite sides of an injection gate of the rod. The formations distribute injection stresses and shield the gate vestige.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.