FR1073479A - Procédé de fabrication de sacs à partir de bandes, sacs fabriqués par ce procédé, et machine pour la mise en oeuvre de ce procédé
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Procédé de fabrication de sacs à partir de bandes, sacs fabriqués par ce procédé, et machine pour la mise en oeuvre de ce procédé
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B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B70/00—Making flexible containers, e.g. envelopes or bags
B—PERFORMING OPERATIONS; TRANSPORTING
B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B70/00—Making flexible containers, e.g. envelopes or bags
B31B70/26—Folding sheets, blanks or webs
B31B70/261—Folding sheets, blanks or webs involving transversely folding, i.e. along a line perpendicular to the direction of movement
B—PERFORMING OPERATIONS; TRANSPORTING
B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B2160/00—Shape of flexible containers
B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
FR1073479D1952-01-081953-01-05Procédé de fabrication de sacs à partir de bandes, sacs fabriqués par ce procédé, et machine pour la mise en oeuvre de ce procédé
ExpiredFR1073479A
(fr)
Procédé de fabrication de produits ayant de préférence la forme de plaques, à partir de masses coulables et durcissables, et dispositif pour la mise en oeuvre de ce procédé