Abstract: Articles are wrapped in packaging film or foil by folding a sheet of film or foil round them. The film or foil is first folded round the article by four equi-spaced folding blades to leave four pleats of film or foil, and these pleats are then formed by second folding blades into neatly bunched ribs.

Abstract: A method of making a one-piece plastic container having a body, a raised bottom and a flange integral with the bottom and the body joining the bottom edge of the body and the periphery of the raised bottom, the flange being sealed to the lower portion of the body which surrounds the flange. The container is initially molded with a bottom integral with its body at the bottom edge of the latter, and the bottom is displaced to a raised position relative to the bottom edge of the body with accompanying formation of the flange.

Abstract: Packaging apparatus for packaging units in flexible sheet material with the units spaced longitudinally in a tube formed of a web of the material and with the tube sealed together between successive units. The apparatus includes a rotary sealing wheel carrying a series of sealing assemblies for sealing the tube, the sealing assemblies being uncoupled from the wheel and held at a hold position for again being released in timed relation to movement of the tube for sealing the tube between successive units. The apparatus also includes an electronic pulse counter or encoder driven at a speed proportional to the speed of the wheel to effect the release of a sealing unit in the event the passage of a unit to be packaged is not sensed by a photoelectric sensor when packaging the units in unprinted sheet material, or to control the placement of units to be packaged on a web of the material having registration marks preprinted thereon.

Abstract: Packaging apparatus for packaging units in flexible sheet material with the units spaced longitudinally in a tube formed of the material and with the tube sealed together between successive units. The apparatus includes a rotary sealing wheel carrying a series of sealing assemblies for sealing the tube, the sealing assemblies being uncoupled from the wheel and held at a hold position for again being released in timed relation to movement of the tube for sealing the tube between successive units. The sealing assemblies are releasably coupled to opposite sides of the wheel, and in accordance with this invention an arrangement is provided for simultaneously uncoupling and coupling the sealing assemblies from both sides of the wheel.