Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1985-01-24
1986-07-08
Combs, E. Michael
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
B31B 128
Patent
active
045990808
ABSTRACT:
A method for folding a jacket material mainly for a magnetic cartridge, by using a folding insert, a folding bar and a heater bar, into a jacket of good external shape and high dimensional precision with a folded edge entirely free from loosening, warping, waving, swelling, etc.
REFERENCES:
patent: 3530538 (1970-09-01), Quackenbush
patent: 4085608 (1978-04-01), Franks et al.
patent: 4383430 (1983-05-01), Klaus
Tada Akira
Tanigawa Koichi
Combs E. Michael
O-M Limited
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