F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/38
F16L 11/02 (2006.01) F16L 37/12 (2006.01) H02G 3/06 (2006.01)
Patent
CA 1195712
FITTING FOR CONNECTING CIRCUMFERENTIALLY RIBBED INSULATING TUBES OF PLASTIC ABSTRACT OF THE DISCLOSURE A fitting for connecting tubes which have circumferen- tially extending axially spaced ribs with recesses defined be- tween the ribs comprises a socket member which advantageously has a cavity at one end of smaller diameter than a cavity at its opposite end which is adapted to receive the tube. The ledge is formed between the two cavities and a resilient member such as a sealing sleeve is disposed against the ledge at the inner end of the larger diameter cavity. The tube to be connected is positioned in the larger diameter cavity against the sealing sleeve such that its ribbed circumference underlies the slot in the larger diameter cavity which is closable by a locking fit- ting. The locking fitting includes an inner end which is adapted to be secured to the socket and which in one embodiment includes a bending strip which is affixed to the socket and supports the remaining portion of the locking lid at an acute angle with re- spect to the exterior surface of the socket. The locking lid at its opposite end includes a bevelled lip which is engageable under the interior surface of the opposite edge of the slot. The lock- ing lid includes one or more projections or ribs at its interior surface which are spaced apart so that they each engage in a recess between the ribs of the tube. After the outer bevelled lip of the locking element is engaged beneath the surface of the edge of the socket member bounding the slot the tube is locked in position within the fitting.
420968
Agro Ag
Macrae & Co.
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