Single and multiple section pipe repair or service clamps

A low profile pipe clamp for encircling a pipe, said clamp comprising:

• a split flexible band means having at least one pair of opposed spaced apart looped ends extending fully widthwise of the band means and capable of being drawn together to tighten said band means about the pipe, each of said looped ends of said band means having at least a pair of slots transversely spaced relative to said band means, the slots of one of said looped ends opposing the slots of the other of said looped ends, and each of said slots in each of said looped ends having a portion thereof with an enlarged width and extending in a longitudinal direction of said band means and positioned away from a terminus of the respective looped ends;
• means for drawing said looped ends toward one another to tighten said band means about the pipe, said last-mentioned means distributing a load to said looped ends interior uniformly across the width of said looped ends and including a first tubular trunnion means in one of said looped ends and having an axial length substantially equal to the width of the one of said looped ends, said first tubular trunnion means comprising at least two coaxial tubular trunnion elements with each of said elements having an aperature extending transversely therethrough, each of said elements being individually and freely rotatable relative to each other and to the said one of said looped ends, a second tubular trunnion means in the other of said looped ends and at least capable of rotation therein when the looped ends are drawn toward one another, said second tubular trunnion means having an axial length substantially equal to the width of the other of said looped ends and having a plurality of transversely spaced open slots therein, there being one open slot for opposing each aperture in each of said tubular trunnion elements, each of said open slots in said second tubular trunnion means having a portion at one end widened in a direction parallel to the axis of the second tubular trunnion means, a plurality of T-bolts each having a threaded shank and a T-head, one of said T-bolts being positioned in the aperture of each of said trunnion elements of said first tubular trunnion means and having a nut threaded onto its shank prior to assembly of the clamp on the pipe, each of said T-bolts and its respective tubular trunnion element being individually pivotable relative the other of said T-bolts to a position where the T-head can fit through the widened portion of the opposed slot of said second tubular trunnion means and bear against the interior thereof during assembly of the clamp on the pipe;
• and
• means to hold said second tubular trunnion means temporarily against rotation and axial movement in the other of said looped ends prior to assembly of the clamp on the pipe, said last-mentioned means permitting rotation of said second trunnion means in the other of said looped ends when said looped ends are drawn toward one another.