Systems and methods for residue collection with improved...

Details Systems and methods for residue collection with improved... Systems and methods for residue collection with improved...

2007-12-12

2011-10-11

Rogers, David A. (Department: 2856)

Measuring and testing

Gas analysis

Solid content of gas

C073S031030, C073S864330, C209S606000, C209S655000, C209S659000, C209S663000

Reexamination Certificate

active

08033158

ABSTRACT:
Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfare Agents (CBWAs) which may be present within the mail pieces. The system is principally designed to be included as part of Dual Pass Rough Cull System (DPRCS) for the collection and detection of the residue when the contaminated mail piece first enters a mail facility and before it is intermingled with other mail pieces. The system also utilizes aerosol chambers using at least two arrays of pinch rollers to provide for decreased incremental changes on mail pieces and decrease the likelihood of mail piece damage.

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Canadian Office Action corresponding to Canadian Serial No. 2488049 dated Jan. 11, 2010.

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