F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/00 (2006.01) F16L 1/06 (2006.01) F16L 1/10 (2006.01) F16L 21/02 (2006.01)
Patent
CA 2736721
An insertion indicator is provided for a bell and spigot pipe connection system, including a stop ring positioned on the spigot pipe. An indicator is provided adjacent the stop ring and the bell pipe for indicating a proper insertion depth. A break away tab is provided as an insertion indicator which shears away upon an over insertion condition. A flexible insertion indicator tab is provided. Further, a flexible annular ring is provided to indicate insertion depth. An insertion indicator is further provided which includes an annular stop ring fixed to the spigot pipe and a bell stop ring slidingly engaging the spigot pipe, separated by resilient member. Compression deforms the resilient member which responds by moving the pipes into an optimal position. An insertion indicator is also provided which includes a first semi-circular stop member and a second semi-circular stop member which are angularly deflected creating an indication of proper insertion depth.
Marks & Clerk
Shumard Dennis
LandOfFree
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