Inhalation toxicology chamber
US4305347A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1980 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | Apr 29, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/031
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A multi-level, animal inhalation toxicology research chamber system is disclosed. It has an enclosed airtight chamber defining a central enclosure with vertically extending inlet and outlet plenums at its opposite ends. A plurality of vertically spaced horizontally extending perforated shelves with underlying collection pans are provided for supporting laboratory animal cages vertically spaced on a plurality of levels. Air is distributed from the inlet plenum to the outlet plenum means through the animal cages in a horizontal direction. The collection pans prevent vertical fluid communication and the perforated shelves permit passage of animal waste into the collection pan, thereby preventing animals from contacting their own waste and preventing waste from falling on animals located beneath an upper cage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.