An intermediate stage or shape of a glass object which is produced in more than one stage.

The extruded hot plastic tube that will be placed in a high-density polyethylene mold to be inflated into a bottle or other hollow form.

the gather of hot glass after it has been partly or wholly inflated by the glass blower.

a hot quantity of soft or molten polymer (or glass) that is partly blown or formed into a shape before its final shaping in a mold.

(French, paraison) gather, on the end of a blowpipe, which is already partly inflated.

in blow molding, the hollow tube of plastic melt extruded from the die head, and expanded within the mold cavity by air pressure to produce the molded part.

The first small bubble at the end of a blowpipe.

an inflated gather. IGCB

A hollow plastic tube in the blow molding process into which air pressure is introduced to form a container.

The preliminary shaped red hot glass that hangs from the neck rings as the blank molds open. The parison is also called "pattern" or "blank."