Air cannon for removal of flowable material from a material...

Dispensing – Gas or vapor dispensing

Reexamination Certificate

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C222S195000

Reexamination Certificate

active

07837062

ABSTRACT:
An air cannon or aerator has a first source of a pressurized gas, such as a tank, a discharge tube assembly, a valve assembly configured to regulate the flow of pressurized gas from the tank to the discharge tube assembly, and a receiving member or basket having a first end configured to receive and seat the valve assembly and a second end configured to releasably and securely mate with the discharge tube assembly. The discharge tube assembly, valve assembly, and basket are all concentrically aligned along a central, longitudinal axis extending substantially coaxial with the longitudinal center line of the tank. The positioning of the discharge tube assembly and valve assembly close to a longitudinal center line of the tank, thereby providing for a central location for the energy discharge, and the provision of large ports in the basket facilitating substantially unobstructed fluid communication between the tank and discharge tube assembly, together facilitate smooth discharge of the pressurized gas as well as increased efficiency and force output of the air cannon.

REFERENCES:
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patent: 2007/0209648 (2007-09-01), Pronschinske et al.
patent: 20316754 (2004-02-01), None
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patent: 0202720 (1986-11-01), None
patent: 246617 (1987-11-01), None
patent: 1528013 (2005-05-01), None
patent: 1528013 (2006-06-01), None
EPO translation of EP 1528013 A1.
International Search Report for International Patent Application No. PCT/US2007/063769, mailed Oct. 19, 2007, 5 pages.
Written Opinion of the International Searching Authority for International application No. PCT/US2007/063769, mailed on Oct. 19, 2007, 5 pages.
International Search Report for International Patent Application No. PCT/US2007/063769, mailed Oct. 19, 2007, 5 pages.
Written Opinion of the International Searching Authority for International application No. PCT/US2007/063769, mailed on Oct. 19, 2007, 5 pages.
English abstract of EP Patent No. 246617 issued on Nov. 25, 1987, 1 page.
GLOBAL's Patented “Direct Blast”, Product Brochure, Published before Mar. 9, 2005, 1 page.
Effect of the BIG BLASTER® air cannons, Product Brochure, Published in July of 1989, 2 pages.
MARTIN® MINI-BLASTER Air Cannon Operator's Manual, Published before Mar. 9, 2005, 3 pages.
MARTIN® MINI-BLASTER Air Cannons, Technical Data Sheet, Published in November of 1993, 2 pages.
VIBCO'S AIR, Product Brochure, Published before Mar. 9, 2005, 1 page.

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