Abstract: An elongated sheet (10) is used to form a thermally insulated cup (30). The sheet includes a pair of spaced apart smooth portions (12, 13) connected by a middle portion (11). The smooth portions are folded on opposite sides of the middle portion. The middle portion is corrugated or otherwise distorted or deformed to create air space. The folded sheet is wound around a mandrel to form a cylinder. The ends of the smooth portions are joined together, and a bottom closure (14) is attached to form the cup. The finished cup includes a smooth outer shell (12S), a smooth inner shell (13S), and a middle layer (11L) sandwiched therebetween. The middle layer forms many air spaces between the shells to thermally insulate the contents of the cup, and also provide structural strength. The cup can be constructed of paper, which makes it biodegradable and recyclable, and its simple construction method makes it easy and inexpensive to manufacture using standard, conventional machinery. In an alternative embodiment (FIG.

Abstract: An elongated sheet (10) is used to form a thermally insulated cup (30). The sheet includes a pair of spaced apart smooth portions (12, 13) connected by a middle portion (11). The smooth portions are folded on opposite sides of the middle portion. The middle portion is corrugated or otherwise distorted to create air space. The folded sheet is wound around a mandrel to form a cylinder. The ends of the smooth portions are joined together, and a bottom closure (14) is attached to form the cup. The finishell cup includes a smooth outer shell (12S), a smooth inner shell (13S), and a middle layer (11L) sandwiched therebetween. The middle layer forms many air spaces between the shells to thermally insulate the contents of the cup, and also provide structural strength. The cup can be constructed of paper, which makes it biodegradable and recyclable, and its simple construction method makes it easy and inexpensive to manufacture using standard, conventional machinery. In an alternative embodiment (FIG.

Abstract: Apparatus for making paper receptacles includes a magazine fed rotary turret receptacle forming machine having a magazine defined by a plurality of spaced apart and upwardly extending magazine rods. An independently operable blanking machine continuously supplies receptacle blanks to the forming machine and includes a die set and a plurality of spaced apart guide rods which depend from the die set and form an upward extension of the magazine.

Abstract: A split receiver mounted on an indexible rotary turret of a paper receptacle forming machine has a cylindrical bore which opens radially outwardly of the turret. One part of the receiver, mounted in fixed position on the turret, defines the inner end portion of the bore. Another part, supported for movement into and out of mating engagement with the one part cooperates with the outer end portion of the one part to define the outer end portion of the bore. A camming mechanism operates in response to indexing movement of the turret to move the one part out of mating engagement with the other part and from a receptacle holding position to a receptacle releasing position.

Abstract: Apparatus for crimping a noncircular edge portion of a cup-shaped container or for rolling a bead on a noncircular edge portion of such a container includes a plurality of forming rollers supported on a rotary tool carrier for rotation with the tool carrier and relative to it. A roller follower associated with each forming roller and engaged within a stationary cam track causes each forming roller to travel in a noncircular path about the axis of the tool carrier as the tool carrier rotates about its axis. The tool carrier moves in an axial direction generally toward and away from a mandrel or receiver supporting the container to move the forming rollers into and out of forming engagement with a noncircular edge of the container.

Abstract: A cup making machine having a turret for indexing a cup forming mandrel to successive forming stations and a hot melt applicator mechanism including a nozzle for applying a bead of hot melt material to a partially formed cup blank carried by the mandrel as it is indexed into position at one forming station. The nozzle is supported for compound movement relative to the mandrel in response to indexing movement of the turret so that a relatively straight bead of hot melt material is applied to a portion of the cup blank which travels in an arcuate indexing path.