A continuously rotating, non-symmetric preform feed, stretch-blow-moulding machine dedicated to the stretch-blow-moulding of containers from non-symmetric injection moulded preforms; the non-symmetric preforms including an integral handle extending from a first junction point to a second junction point on a body of the preform; the body of the preform and the integral handle constituted from the same material.

An apparatus for handling plastic preforms includes a feeding line for preforms that comprise a preform body and a preform mouth, a conditioning oven, a setdown device for the preforms being provided which is designed to feed the preforms to a transfer or blow-molding carousel, the conditioning oven being associated with a closed conveyance circuit which includes supporting elements to support respective preforms. The feeding line has a feeding device to feed the preforms to respective supporting elements; the setdown device has an overturning element adapted to pick up the preforms and to bring them to a pickup condition in which the respective mouths are directed upward. The setdown device further includes a pickup device to pick up the preforms in the pickup condition from the overturning element to feed them to the transfer or blow molding carousel.