FR2425388A1 - Procede de fabrication de recipients souples etanches a valve tubulaire et produit obtenu - Google Patents

Procede de fabrication de recipients souples etanches a valve tubulaire et produit obtenu

Info

Publication number
FR2425388A1
FR2425388A1 FR7814998A FR7814998A FR2425388A1 FR 2425388 A1 FR2425388 A1 FR 2425388A1 FR 7814998 A FR7814998 A FR 7814998A FR 7814998 A FR7814998 A FR 7814998A FR 2425388 A1 FR2425388 A1 FR 2425388A1
Authority
FR
France
Prior art keywords
welding
valves
sheets
folding
followed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR7814998A
Other languages
English (en)
Inventor
Jean-Jacques Heymans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VITHERM STE NLE
Original Assignee
VITHERM STE NLE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VITHERM STE NLE filed Critical VITHERM STE NLE
Priority to FR7814998A priority Critical patent/FR2425388A1/fr
Publication of FR2425388A1 publication Critical patent/FR2425388A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14—Valve bags, i.e. with valves for filling
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/855—Forming valves integral with the containers
    • B31B70/859—Forming valves integral with the containers involving turning the bags inside out

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)

Abstract

L'INVENTION CONCERNE UN RECIPIENT A VALVE TUBULAIRE CONSTITUEE DE DEUX FEUILLETS OPPOSES SOUPLES APPLIQUES L'UN CONTRE L'AUTRE PAR LA PRESSION ENGENDREE DANS LE RECIPIENT. LE PROCEDE EST CARACTERISE PAR LA SUITE DES OPERATIONS SUIVANTES: A.ON SOUDE DEUX FEUILLES SUIVANT LE CONTOUR LATERAL DES VALVES; B.ON DECORTIQUE LES FEUILLES REUNIES PAR SOUDURE POUR CONSTITUER DES VALVES COTE A COTE, INDEPENDANTES; C.ON RETOURNE LES DEUX FEUILLES POUR APPLIQUER L'UNE CONTRE L'AUTRE LES FACES QUI ETAIENT A L'EXTERIEUR; D.ON SOUDE LES CONTOURS 10 A 17 DES RECIPIENTS EN FORMANT, NOTAMMENT, LA BOUCHE 3; E.ON DECORTIQUE L'ENSEMBLE AINSI FORME POUR OBTENIR CHAQUE RECIPIENT INDIVIDUELLEMENT. APPLICATION AUX BOURRES DE MINE.
FR7814998A 1978-05-12 1978-05-12 Procede de fabrication de recipients souples etanches a valve tubulaire et produit obtenu Pending FR2425388A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7814998A FR2425388A1 (fr) 1978-05-12 1978-05-12 Procede de fabrication de recipients souples etanches a valve tubulaire et produit obtenu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7814998A FR2425388A1 (fr) 1978-05-12 1978-05-12 Procede de fabrication de recipients souples etanches a valve tubulaire et produit obtenu

Publications (1)

Publication Number Publication Date
FR2425388A1 true FR2425388A1 (fr) 1979-12-07

Family

ID=9208487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7814998A Pending FR2425388A1 (fr) 1978-05-12 1978-05-12 Procede de fabrication de recipients souples etanches a valve tubulaire et produit obtenu

Country Status (1)

Country Link
FR (1) FR2425388A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5026339A (en) * 1990-02-22 1991-06-25 Royce Medical Company Sheet plastic check valve technique
EP1972432A1 (fr) 2007-03-22 2008-09-24 Jenton International Limited Sac à valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1291330A (fr) * 1961-06-06 1962-04-20 Metal Box Co Ltd Procédé et appareil pour la fabrication de récipients à partir de matière en feuilles
FR1299563A (fr) * 1961-05-24 1962-07-27 Continental Plastic Ag Récipients en matière plastique souple et leur procédé de fabrication
FR1377666A (fr) * 1963-11-28 1964-11-06 I C P M Ind Chimiche Porto Mag Appareillage pour la fabrication en continu de contenants en matière flexible, particulièrement de sacs à fonds en équerre
FR1425711A (fr) * 1964-02-24 1966-01-24 Sapim Prodotti Per L Ind Metal Machine pour fabriquer automatiquement et à grande vitesse des sacs en matière thermoplastique en général et en particulier du type à soupape
FR1436217A (fr) * 1965-04-15 1966-04-22 Sachet d'emballage pour boissons et son procédé de fabrication
FR2157065A5 (fr) * 1971-10-15 1973-06-01 Dzerzhinsky Z Plasti
FR2159751A5 (en) * 1971-11-10 1973-06-22 Pechorsky Nauchno Issled Ampoules with check valves - continuously produced from thermoplastic film

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1299563A (fr) * 1961-05-24 1962-07-27 Continental Plastic Ag Récipients en matière plastique souple et leur procédé de fabrication
FR1291330A (fr) * 1961-06-06 1962-04-20 Metal Box Co Ltd Procédé et appareil pour la fabrication de récipients à partir de matière en feuilles
FR1377666A (fr) * 1963-11-28 1964-11-06 I C P M Ind Chimiche Porto Mag Appareillage pour la fabrication en continu de contenants en matière flexible, particulièrement de sacs à fonds en équerre
FR1425711A (fr) * 1964-02-24 1966-01-24 Sapim Prodotti Per L Ind Metal Machine pour fabriquer automatiquement et à grande vitesse des sacs en matière thermoplastique en général et en particulier du type à soupape
FR1436217A (fr) * 1965-04-15 1966-04-22 Sachet d'emballage pour boissons et son procédé de fabrication
FR2157065A5 (fr) * 1971-10-15 1973-06-01 Dzerzhinsky Z Plasti
FR2159751A5 (en) * 1971-11-10 1973-06-22 Pechorsky Nauchno Issled Ampoules with check valves - continuously produced from thermoplastic film

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5026339A (en) * 1990-02-22 1991-06-25 Royce Medical Company Sheet plastic check valve technique
EP1972432A1 (fr) 2007-03-22 2008-09-24 Jenton International Limited Sac à valve
US9005094B2 (en) 2007-03-22 2015-04-14 Jenton International Limited Method of forming a valve bag

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