A - Human Necessities – 62 – C
Patent
A - Human Necessities
62
C
A62C 35/68 (2006.01)
Patent
CA 2162071
Mechanically locking sprinkler fittings are provided by this invention for making a fluid connection between pipes. The sprinkler fittings contain a tubular fitting member having first and second open ends for mating with a pair of fluid pipes. The tubular fitting member contains a laterally facing orifice for receiving a sprinkler riser and an annular recess located along its surface which corresponds with a mating annular recess on at least a first of the fluid pipes to form an annular cavity. The fitting also includes a flexible spline inserted into the annular cavity to form a mechanical lock between the first pipe and the tubular fitting member. The sprinkler fittings of this invention are convenient to use, and can be made of lightweight polymeric materials.
Clare James
Himmelberger John
Bereskin & Parr
Certainteed Corporation
Clare James
LandOfFree
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