Embodiments of the invention provide a clamp lock to secure a clamp around a pressure vessel, such as a split tank pool filter. The clamp lock includes a drive rack with at least one notch, and a housing with a rotatable drive gear, a locking pawl, and a receiving hole. The rotatable drive gear is capable of laterally moving the drive rack through the receiving hole, and the locking pawl is capable of engaging the at least one notch when the drive rack has been inserted a distance into the receiving hole. The distance correlates to a diameter of the clamp sufficient to secure the clamp around the pressure vessel.

An improved hose clamp having an annular band having an inner face, tensioning means, and an annular spring liner; the spring liner having a circumferential shoulder near an edge of the liner; and a central, cylindrical, flat, contact portion of smaller circumference than the shoulder, and of smaller width than the inner face of the band. The shoulder is adapted to abut the inner face and the contact portion is adapted to contact a hose or other article to be clamped.

A closure system may secure a first bone portion to a second bone portion. The closure system may include a band, a locking terminal, and a tensioning device. The band may be adapted to be looped around the first and second bone portions. The locking terminal may fixedly engage a first portion of the band and selectively fixedly engage a second portion of the band. The tensioning device may include a body and a threaded rod. The threaded rod may be received in the body and may engage the band such that movement of the threaded rod relative to the body moves the second portion of the band relative to the first portion of the band.

An improved hose clamp having an annular band having an inner face, tensioning means, and an annular spring liner; the spring liner having a circumferential shoulder near an edge of the liner; and a central, cylindrical, flat, contact portion of smaller circumference than the shoulder, and of smaller width than the inner face of the band. The shoulder is adapted to abut the inner face and the contact portion is adapted to contact a hose or other article to be clamped.

The collar has a metal belt (10), a pair of projecting lugs (12, 14), a tightening rod (16) disposed in holes in the lugs, and tightening members (16A, 16B) co-operating with the rod and with bearing portions of the lugs. At least one of the lugs in the pair is a lug (14) having an extension, the bearing portion of which lug is formed in an extension (17) of the lug, which extension is folded over towards the rear of the lug, and is provided with a hole for the tightening rod. The extension (17) and the front portion (15) of the lug (14) having an extension are interconnected via a strip portion (20) forming a link loop defining an axial tunnel having its two axial ends open, the tunnel being shaped so that the angle of inclination between the extension (17) and the front portion (15) of the lug can change when the collar is tightened.

An anchoring device including two reinforcements for applying a hooping stress to a tubular structure, each of the reinforcements having a main binding portion which bears against the surface of the structure over 2 turns, a first end arranged at the end of a first end portion, and a second end arranged at the end of a second end portion. The anchoring device includes a spacer including a main body and two pairs of anchoring openings for the two ends of each reinforcement. The first and second end portions extend from a radial plane, where the reinforcements are tangential to the surface, then extend away from the surface from the radial plane as far as the anchoring openings so as not to exert a harmful point force on the structure.