Severing by tearing or breaking – Severing by manually forcing against fixed edge – Zigzag-folded supply package
Patent
1978-02-28
1980-08-05
Coan, James F.
Severing by tearing or breaking
Severing by manually forcing against fixed edge
Zigzag-folded supply package
93 8W, 93 20, 225 2, B31B 110, B31B 114
Patent
active
042156262
ABSTRACT:
A method and apparatus for manufacturing articles made of paper, plastic and the like from n series of strips of such materials is provided wherein n represents the number of strips and is an integer equal to or greater than two. Initially transverse perforations are formed at regular intervals in each of the strips to define in each strip a plurality of elementary sections having the same length L. The strips are then superimposed such that each perforated strip is offset with respect to an adjacent strip in the longitudinal direction by a distance equal to L
. Thereafter the apparatus which performs the method exerts, successively and independently, on each of the successively superimposed strips a pulling and tearing off action to define the longitudinally offset superimposed perforated strips into separate elementary sections.
REFERENCES:
patent: 1816361 (1931-07-01), Coty et al.
patent: 2307142 (1943-01-01), Lee
patent: 3433136 (1969-03-01), Hartbauer et al.
patent: 3777958 (1973-12-01), Graham
patent: 3868891 (1975-03-01), Parish
patent: 3897727 (1975-08-01), Fulk
Agence Nationale de Valorisation de la Recherche (ANVAR)
Coan James F.
Eslinger Lewis H.
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