Web threading apparatus

Details Web threading apparatus Web threading apparatus

1981-04-01

1983-10-18

Levy, Stuart S.

Package making

Partial cover application

Band or tube

53211, 53214, 226 92, B65B 1104, B65B 1302, G03B 156

Patent

active

044097778

ABSTRACT:
An elongated, resilient member such as a coiled spring or a belt of elastic material is disposed in lapping engagement with first and second drive rollers for engaging and threading a web around the rollers in response to rotation of the rollers. The drive rollers are rotated in opposite directions and the belt or spring is disposed in a twist, thereby defining a figure "8" lapping pattern. In a preferred embodiment, each roller is circumscribed by a groove in which the spring or belt is reeved.

REFERENCES:
patent: 731008 (1903-06-01), Wyckoff
patent: 977501 (1910-12-01), Bailey
patent: 1676305 (1928-07-01), Weldon
patent: 1740605 (1929-12-01), Klein
patent: 2545015 (1951-03-01), Barker
patent: 2794542 (1957-06-01), Vandenburgh et al.
patent: 3120198 (1964-02-01), Reid
patent: 3443371 (1969-05-01), Ward
patent: 4302920 (1981-12-01), Lancaster et al.

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