Low pressure air duct seal assembly
US6778792B1 · kind B1 · utility
4Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 2003 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Feb 18, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S285/918
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A low pressure air duct seal assembly for an electrophotographic reproduction machine is disclosed, which has a pair of air duct pieces. One of the air duct pieces has an end portion, an outer surface, and a circumferential groove formed on the outer surface and disposed adjacent the end portion. An O-ring is disposed in the groove, and heat shrink tubing is disposed over a portion of the outer surface of the air duct piece and covering the O-ring. The other air duct piece has an end portion and a coupling disposed adjacent the end portion for receiving the end portion of the first air duct piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.