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William P Miller, Robert W Twigg: Apparatus and method for fabricating a flexible cylinder from multi-ply flexible web material having metal and plastic plies. Dixico Incorporated, McAulay Fields Fisher Goldstein & Nissen, January 12, 1982: US04310369 (20 worldwide citation)

An apparatus for fabricating a flexible cylinder from multi-ply flexible web material has a cylindrical forming cavity with a longitudinal opening through which the flexible web material is fed into the cavity. A non-metallic cylindrical mandrel, about which the flexible web material is fed, is moun ...


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William P Miller, Robert W Twigg: Apparatus for manufacturing the body portion of a collapsible squeeze tube. Polytube, Ryder McAulay Fields Fisher & Goldstein, May 25, 1976: US03959066 (4 worldwide citation)

Three-ply web material is rolled approximately 360.degree. into the form of a cylinder within a preform cavity. A feed roller at the opening rotates continuously and a spring loaded pressure plate has an edge at the opening which forces the web material against the feed roller. After the trailing ed ...


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