Abstract: A flexible piping and fitting assembly includes a section of flexible piping formed by spiral-winding a band with interlocking leading and trailing edges. The piping includes a bore. A fitting with a generally cylindrical inner section, an annular band an outer section in connected to the piping by spot-welding at multiple locations. The spot-welds can be circumferentially spaced and can extend through multiple layers of the flexible piping and into the fitting.

Abstract: Flexible piping includes a first, spiral-wound band forming an inner winding and a second, spiral-wound band forming an outer winding in covering relationship over the inner winding. Inner and outer spiral-wound bands of insulating material are wound between the inner and outer windings and over the outer winding respectively. An insulating sleeve receives the spiral-wound inner and outer windings and the inner and outer insulating material bands. A method and a machine for forming the flexible piping are also disclosed.

Abstract: Flexible piping includes a first, spiral-wound band forming an inner winding and a second, spiral-wound band forming an outer winding in covering relationship over the inner winding. Inner and outer spiral-wound bands of insulating material are wound between the inner and outer windings and over the outer winding respectively. An insulating sleeve receives the spiral-wound inner and outer windings and the inner and outer insulating material bands. A method and a machine for forming the flexible piping are also disclosed.

Abstract: A passive restraining apparatus for use in the administration to small animals of anaesthetics, intravenous fluids, and the like consisting of a housing for loosely confining the animal's body. The housing is provided with a front wall which has (1) an upper opening therein for releasably holding the animal's neck in substantially immobilized position while its head projects forwardly from the wall, and (2) at least one lower opening through which the animal's forelegs are adapted to project forwardly of the wall, the wrist portions of the forelegs being releasably held in immobilized positions by anchoring devices. A shield or platform vertically supports the projecting head for relatively free sidewise movement about the immobilized neck and in proximate spaced relation above the forelegs, thereby preventing access by the animal's head to its forelegs and providing a safety zone in which attendants may examine and treat the forelegs.