Apparatus for folding an edge on a continuous material web

Details Apparatus for folding an edge on a continuous material web Apparatus for folding an edge on a continuous material web

1991-01-04

1993-01-12

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493394, B65H 4522, B65B 920

Patent

active

051786010

ABSTRACT:
An apparatus for folding an edge (11) of a continuous web (10) is disclosed, wherein the continuous web (10) is held against a belt (1) which is twisted through substantially 180.degree. between two wheels (2, 3) to fold over the edge (11) during the twisting action. The belt (1), which is endless, runs over two other wheels (4, 5) in order to return to the wheels (2, 3).

REFERENCES:
patent: 1506844 (1924-09-01), La Bonbard et al.
patent: 3073217 (1963-01-01), Spalding et al.
patent: 3229596 (1966-01-01), Hottendorf
patent: 3701522 (1972-10-01), Chi
patent: 3716435 (1973-02-01), Jensen et al.
patent: 4614512 (1986-09-01), Capdeboscq
patent: 4648336 (1987-03-01), Ragnebring
patent: 4708708 (1987-11-01), Fries
patent: 4795416 (1989-01-01), Cogswell et al.

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