Sealing system and process therefor
US7390845B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2003 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Feb 14, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A sealing element is formed from a desirably shaped body of a sealant material formulated from a first polymer, ethylene vinyl acetate (EVA), in a concentration of about 25 percent to about 30 percent, a calcium carbonate inert filler material in a concentration of about 25 percent to about 30 percent, a second ethylene polymer other than EVA in a concentration of about 20 to about 35 percent, and a hydrocarbon resin in a concentration of about 10 percent to about 15 percent. The sealant further comprising an epoxy resin in a concentration of about 2 to about 5 percent and an activator in a concentration of about less than one percent of the sealant. The sealant material, when positioned about a first component is overmolded with a material forming a second component. The sealant material, which is heat activated, forms a seal between the first and second components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.