B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 5/12 (2006.01) B05C 7/08 (2006.01)
Patent
CA 2750301
The invention pertains to a lining device that can be pulled through a pipe having an approximate diameter between 1 and 36 inches. The device sprays an electrically charged lining mixture 3600 onto the inside pipe surface. The lining mixture is electro-statically charged to facilitate full encapsulation and adhesion to all pipe wall surfaces in a circumferentially uniform thickness. The lining device can be contained in a multipart housing having flexible rod-like components that hold the device in the center of the longitudinal axis of the pipe. The lining mixture is conveyed to the device through heated non expanding hose. The non expanding properties facilitate the delivery of the lining under pressure to the device. The device also incorporates a dwell cone having a knurled edge that atomizes the lining mixture as it is centrifugally thrown onto the pipe wall. The device may further incorporate nitrogen in mixing the lining material.
Primeaux Dudley
Weisenberg Kent
Mcmillan Llp
Weisenberg Kent
LandOfFree
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