B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
B67D 7/72 (2010.01) B65D 83/64 (2006.01)
Patent
CA 2487192
A hand held portable caulking gun dispenses sealant, caulking or other viscous fluid from a replaceable container received within a housing provided by the device. The caulking gun includes a first reservoir to receive a pressurized gas at a first operating pressure less than a first predetermined pressure. The first reservoir is in selective fluid communication with a second reservoir operating at a pressure less than a second predetermined pressure. The first reservoir comprises an inlet for introducing the pressurized gas from a pressurized gas source. The device also includes a conduit that allows selective release of the pressurized gas from the second reservoir, to express the viscous fluid from the device. The first reservoir operates within a pressure range of about 80 psig to about 250 psig. The second reservoir operates within a pressure range of about 20 psig to about 80 psig.
Deeth Williams Wall Llp
Ll Lafond Intellectual Properties Inc.
LandOfFree
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