Pipe joints or couplings – Packed – Sleeve
Patent
1982-08-10
1984-02-07
Arola, Dave W.
Pipe joints or couplings
Packed
Sleeve
285156, 285423, 285DIG16, F16L 1704
Patent
active
044299079
ABSTRACT:
Complementary elongated members of generally semi-cylindrical cross-section are provided. These members are assembled on pipes to be joined so as to enclose the joint between the pipes, and the members include abutting edges extending lengthwise of the pipes and arranged to be bonded together. The coupler is provided with one or more recesses extending across the abutting edges of the elongated members. Reinforcing elements are received in each of these recesses and extend across the abutting edges for reinforcing the coupler. The reinforcing members are bonded to the surfaces of the recesses and to the elongated members. In one form of the invention spaced lugs are provided on each of the elongated members and extend transversely of the line formed by the abutting edges. The reinforcing members are in a form of flat keys which are received between spaced lugs, extend transversely across the line of the abutting edges and are bonded to the lugs and to the elongated members. In another form of the invention the recesses extend lengthwise of the coupler and are formed by rabbets provided in the elongated members adjacent the abutting edges. A spline is received within each of the recesses, extends lengthwise of the couplers so as to cover the line of the abutting edges, and is bonded to the walls of the recess. The abutting edges of the elongated members may be formed in a variety of interlocking shapes so as to further insure a water-tight seal.
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