ES2193530T3 - Saco cerrado con evacuacion de aire. - Google Patents

Saco cerrado con evacuacion de aire.

Info

Publication number
ES2193530T3
ES2193530T3 ES98925654T ES98925654T ES2193530T3 ES 2193530 T3 ES2193530 T3 ES 2193530T3 ES 98925654 T ES98925654 T ES 98925654T ES 98925654 T ES98925654 T ES 98925654T ES 2193530 T3 ES2193530 T3 ES 2193530T3
Authority
ES
Spain
Prior art keywords
barrier layer
layer
side flap
envelope
flap
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.)
Expired - Lifetime
Application number
ES98925654T
Other languages
English (en)
Inventor
Valter Sievers
Pentti Rikassaari
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.)
UPM Kymmene Oy
Original Assignee
UPM Kymmene Oy
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 UPM Kymmene Oy filed Critical UPM Kymmene Oy
Application granted granted Critical
Publication of ES2193530T3 publication Critical patent/ES2193530T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags
    • 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
    • B65D31/142—Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Cartons (AREA)

Abstract

Un saco cerrado con una envolvente tubular multicapa, en ambos extremos de cuya envolvente existe un fondo plano con solapas extremas (6) plegadas hacia dentro y solapas laterales (5.1, 5.2) plegadas sobre la parte superior de las solapas extremas, en el que la superficie interior de la solapa lateral (5.2), en la parte superior, se pega contra la superficie exterior de la solapa lateral (5.1) situada debajo, caracterizado porque la envolvente comprende una capa interior (1) de papel permeable al aire, pero que filtra el polvo, fuera de la cual hay una capa de barrera (2) separada impermeable al aire y fuera de ésta una o varias capas exteriores (3) de papel, porque en uno de los extremos de un fondo se une una pieza de válvula (12) a la solapa extrema (6), porque en cada fondo en la solapa lateral de abajo (5.1), en el fondo, la capa interior (1) es más larga que la capa de barrera y la capa exterior (3) es más corta que la capa de barrera (2); en la solapa lateral (5.2), en la parte superior, la capa interior (1) es más corta que la capa de barrera (2) y la capa exterior (3) es más larga que la capa de barrera (2).
ES98925654T 1997-06-19 1998-06-09 Saco cerrado con evacuacion de aire. Expired - Lifetime ES2193530T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI972664A FI103269B1 (fi) 1997-06-19 1997-06-19 Sulkusäkki ilmanpoistolla

Publications (1)

Publication Number Publication Date
ES2193530T3 true ES2193530T3 (es) 2003-11-01

Family

ID=8549098

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98925654T Expired - Lifetime ES2193530T3 (es) 1997-06-19 1998-06-09 Saco cerrado con evacuacion de aire.

Country Status (6)

Country Link
EP (1) EP1053184B1 (es)
CZ (1) CZ291930B6 (es)
DE (1) DE69814470T2 (es)
ES (1) ES2193530T3 (es)
FI (1) FI103269B1 (es)
WO (1) WO1999001353A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2568555A1 (es) * 2014-10-29 2016-04-29 Industrias Bolcar, S.A. Saco multicapa con salida de presión

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI111617B (fi) * 2000-01-28 2003-08-29 Korsnaes Packaging Ab Sulkusäkki ja menetelmä sulkusäkin valmistamiseksi
ES2201939B1 (es) * 2003-11-19 2005-03-01 Alberto Egia Quevedo Saco perfeccionado.
ES2212925B1 (es) * 2004-03-31 2005-05-01 Star Sack, S.L. Sacos con filtro incorporado mejorado.
DE102006050461B4 (de) * 2006-10-20 2009-07-09 Mondi Ag Ventilsack
DE202014000194U1 (de) * 2014-01-10 2015-04-14 Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh Papiersack
EP3184296B1 (en) 2015-12-21 2017-11-08 BillerudKorsnäs AB Rain resistant paper sack
US20190217994A1 (en) * 2016-03-25 2019-07-18 Yozgat Kraft Torba Sanayi Ve Ticaret Anonim Sirketi Sack
DE202017103128U1 (de) 2017-05-23 2018-08-24 Bischof + Klein Se & Co. Kg Entlüftbarer Ventilsack

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB623313A (en) * 1947-04-29 1949-05-16 Paper Sacks Ltd Improvements in and relating to multiply valve sacks
DE2319672C3 (de) * 1973-04-18 1986-02-13 Wilhelmstal-Werke Gmbh Papiersackfabriken, 7590 Achern Mehrlagiger Sack
DE2615543C2 (de) * 1976-04-09 1984-08-23 Bischof Und Klein Gmbh & Co, 4540 Lengerich Kreuzbodenventilsack aus zueinander gestaffelten Papierlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2568555A1 (es) * 2014-10-29 2016-04-29 Industrias Bolcar, S.A. Saco multicapa con salida de presión

Also Published As

Publication number Publication date
DE69814470D1 (de) 2003-06-12
FI972664A (fi) 1998-12-20
EP1053184A1 (en) 2000-11-22
CZ9904589A3 (cs) 2001-08-15
FI972664A0 (fi) 1997-06-19
WO1999001353A1 (en) 1999-01-14
CZ291930B6 (cs) 2003-06-18
FI103269B (fi) 1999-05-31
EP1053184B1 (en) 2003-05-07
DE69814470T2 (de) 2004-03-18
FI103269B1 (fi) 1999-05-31

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