Helical folder for paperboard blanks

Details Helical folder for paperboard blanks Helical folder for paperboard blanks

1980-04-04

1981-03-10

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

B31B 142

Patent

active

042546923

ABSTRACT:
Apparatus for folding paperboard blanks, fed one by one in timed sequence into said apparatus and transported through it, includes helical blank contacting means rotatable in time with the transport means about a longitudinal axis extending generally in the direction of travel.

REFERENCES:
patent: 549571 (1895-11-01), Koffenberger
patent: 770159 (1904-09-01), Burbank
patent: 862161 (1907-08-01), Hollett
patent: 2308010 (1943-01-01), Horowitz
patent: 2768492, Kay et al.
patent: 3791268 (1974-02-01), Kollmar
patent: 4056046 (1977-11-01), Hughes
Sunds AB, EMBA, "Flexo Folder Gluer 140", (date unknown).

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