Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1994-12-22
1996-07-16
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
26417717, 2642098, 264281, 264285, 425319, 425380, 425391, 425467, B29C 4790
Patent
active
055364616
ABSTRACT:
Tube multi-pack methods of manufacture are disclosed. The tube multi-packs that are produced by the method of the present invention are one-piece tube multi-pack including an elongated thin-walled tubular element made of transparent flexible plastic material with inner and outer peripherally extending walls. At least one thin-walled web section is integrally connected to the inner peripheral extending wall of the tubular element and has greater flexibility than the tubular element in order to adjustably accommodate a plurality of separate discrete products positioned on opposite sides of the at least one integral web section. The at least one integral thin-walled web section may be connected to the inner peripherally extending wall of the tubular element at different relative locations, for example, in a spiral or curvilinear or other shaped path throughout the tubular element. According to the present invention, the method for making the one-piece tube multi-pack includes the extrusion of the elongated thin-walled tubular element at the same time that at least one thin-walled web section is extruded with greater flexibility than the tubular element. When formed to extend at different relative locations throughout the tubular element, such as a spiral or curvilinear or other shaped path, the tubular element is twisted while in a heated state to form the shape throughout the tubular element.
REFERENCES:
patent: 2687997 (1954-08-01), Marchand
patent: 3520963 (1970-07-01), Allseits et al.
patent: 3924738 (1975-12-01), Poupitch
patent: 3935357 (1975-01-01), Padovani
patent: 4113814 (1978-09-01), Kojimoto et al.
patent: 4117064 (1978-09-01), Mathe et al.
patent: 4313327 (1982-02-01), O'Connor
patent: 4541569 (1985-09-01), Langa
patent: 4655987 (1987-04-01), Zertuche
patent: 4836968 (1989-06-01), Cakmakci
patent: 5059057 (1991-10-01), Graef
Brewer Phillip M.
King Jon E.
Stack Bradley G.
Sinclair & Rush, Inc.
Thurlow Jeffery R.
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