Wiper blade and method for producing the same
US7776400B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2007 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Oct 5, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wiper blade (1) comprising a base portion (3) to be attached to a wiper arm, a lip portion (4) to sweep away a water droplet or dust etc. adhered to a glass window, a thin neck portion (2) for connecting the lip portion (4) and the base portion (3), and a sweeping surface layer portion formed on a side surface of a cross section of the lip portion (4), the sweeping surface layer (7) comprising a scale-like powder (9) having good sliding property and a binder (10) comprising a water-repellency silicone-base rubber composition for binding the scale-like powder (9) to the lip portion (4). The scale-like powder (9) is laminated in a thickness direction of the lip portion (4) and the laminated scale-like powder is bound to each other with the binder (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.