Method and apparatus for making a continuous tube of flexible sh

Details Method and apparatus for making a continuous tube of flexible sh Method and apparatus for making a continuous tube of flexible sh

1992-02-06

1993-08-03

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Tube making

Spiral winding

156195, 156428, 112 63, B31C 300, B31C 304, B65H 8108, D05B 2300

Patent

active

052324290

ABSTRACT:
Method and apparatus for making tubes from flexible textile sheets by which a sheet is helically wound around two or more non-rotatable support bars. Feed rollers contacting two or more helical convolutions wind the sheet so that adjacent helical convolutions overlap and also maintain the tube upstream of the feed rollers in tension to progress the tube axially along the support bars. As the sheet is wound into helical form, successive helical convolutions are sewn together to form a continuous tube.

REFERENCES:
patent: 2585762 (1952-02-01), Gardner
patent: 3052197 (1962-09-01), Judelson
patent: 3383261 (1968-05-01), Arnold
patent: 3533882 (1970-10-01), Riese
patent: 3673024 (1972-06-01), Eriksson
patent: 4220077 (1980-09-01), Miller et al.
patent: 4401041 (1983-08-01), de Polo
patent: 4493749 (1985-01-01), Brezina
patent: 4639165 (1986-01-01), Flecknoe-Brown

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