Global Patent Index - EP 3277596 B1

EP 3277596 B1 20181121 - METHOD FOR CONTINUOUSLY MANUFACTURING A PLASTIC BAG FOR FOOD PRODUCTS

Title (en)

METHOD FOR CONTINUOUSLY MANUFACTURING A PLASTIC BAG FOR FOOD PRODUCTS

Title (de)

VERFAHREN ZUR KONTINUIERLICHEN HERSTELLUNG EINES KUNSTSTOFFBEUTELS FÜR NAHRUNGSMITTEL

Title (fr)

PROCEDE DE FABRICATION EN CONTINU D'UN SAC EN MATIERE PLASTIQUE POUR PRODUITS ALIMENTAIRES

Publication

EP 3277596 B1 20181121 (FR)

Application

EP 16717424 A 20160324

Priority

  • FR 1552713 A 20150331
  • FR 2016050669 W 20160324

Abstract (en)

[origin: WO2016156712A1] Method for continuously manufacturing a bag for packaging food products from a sheet of plastic film, according to which: -the film is subjected to successive folding operations so as to produce lateral gussets (1c, 1d) between two walls (1a, 1b), -a longitudinal weld line (L1) is made at the connection of the external edges of the gussets (1c, 1d) to the walls (1a, 1b), -a transverse weld line (L2) forming a bottom (1e) is made at regular intervals, -an oblique weld line (L3) is made at regular intervals between the external edges of the gussets (1c, 1d) and the transverse weld line (L2) forming the bottom (1e), -a triangular zone produced by the oblique weld lines (L3) and the bottom (1e) is cut out, -a cut is made at the bottom (1e) having symmetrically, on both sides, oblique lines so as to form a bag opening.

IPC 8 full level

B65D 30/20 (2006.01); B31B 50/64 (2017.01); B31B 50/83 (2017.01)

CPC (source: EP US)

B65D 31/10 (2013.01 - EP US); B31B 70/148 (2017.07 - EP); B31B 70/266 (2017.07 - EP); B31B 2155/00 (2017.07 - EP); B31B 2155/0012 (2017.07 - EP US); B31B 2155/003 (2017.07 - EP US); B31B 2160/10 (2017.07 - EP); B31B 2160/20 (2017.07 - EP); B31B 2160/30 (2017.07 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2016156712 A1 20161006; DK 3277596 T3 20190102; EP 3277596 A1 20180207; EP 3277596 B1 20181121; ES 2701953 T3 20190226; FR 3034406 A1 20161007; FR 3034406 B1 20171208; PL 3277596 T3 20190430; PT 3277596 T 20181130; TR 201819432 T4 20190121

DOCDB simple family (application)

FR 2016050669 W 20160324; DK 16717424 T 20160324; EP 16717424 A 20160324; ES 16717424 T 20160324; FR 1552713 A 20150331; PL 16717424 T 20160324; PT 16717424 T 20160324; TR 201819432 T 20160324